康永秀生

職位

教授

専門領域

  • 臨床疫学
  • 医療経済・政策学
  • 公衆衛生学

研究内容

  • 医療ビッグデータを用いた臨床疫学研究
  • 観察データにおける応用統計
  • 医療サービスの経済評価/医療政策評価

 略歴

 免許・資格等

  • 日本外科学会認定医
  • 医学博士(東京大学

 所属学会

  • 日本外科学会,日本疫学会,医療経済学会,日本公衆衛生学会 

受賞

  • 平成25年11月 日本医師会研究奨励賞

論文

[2020](9/26現在)

  1. Abe H, Sumitani M, Matsui H, Aso S, Inoue R, Fushimi K, Uchida K, Yasunaga H, Yamada Y. Comparing outcomes after peripheral nerve block versus general anesthesia for lower-extremity amputation: a nationwide exploratory retrospective cohort study in Japan. Regional Anesthesia & Pain Medicine 2020;45(6):399-404
  2. Aso S, Matsui H, Yasunaga H. Influence of the Fukushima Daiichi Nuclear Power Plant accident on the use of computed tomography in children with mild head injuries. Journal of Epidemiology 2020 epub
  3. Aso S, Matsui H, Fushimi K, Yasunaga H. Vasopressin versus epinephrine as adjunct vasopressors for septic shock. Intensive Care Medicine 2020;46;1484–1485
  4. Aso S, Yasunaga H. Introduction to Instrumental Variable Analysis. Annals of Clinical Epidemiology 2020;2(3):69-74
  5. Fujiogi M, Michihata N, Matsui H, Fushimi K, Yasunaga H, Fujishiro J. Clinical features, practice patterns and outcomes of omphalocele: a descriptive study using a nationwide inpatient database in Japan. Annals of Clinical Epidemiology 2020;2(2):61–68.
  6. Hashitmoto Y, Michihata N, Matsui H, Fushimi K, Yasunaga H, Aihara M. Reoperation rates after Ex-PRESS versus trabeculectomy for primary open-angle or normal-tension glaucoma: A national database study in Japan. EYE 2020;34(6):1069-1076.
  7. Hatachi T, Michihata N, Inata Y, Takeuchi M, Matsui H, Fushimi K, Yasunaga H. Prognostic factors among children with acute encephalitis/encephalopathy associated with viral and other pathogens. Clinical Infectious Disease 2020 epub
  8. Hattori Y, Tahara S, Aso S, Matsui H, Fushimi K, Yasunaga H, Morita A. Pituitary surgery’s epidemiology using a national inpatient database in Japan. Acta Neurochirurgica 2020 ;162(6):1317-1323
  9. Hayakawa I, Okubo Y, Nariai H, Michihata N, Matsui H, Fushimi K, Yasunaga H. Recent treatment patterns and variations for pediatric acute encephalopathy in Japan. Brain and Development 2020;42(1):48-55
  10. Hayashi K, Sasabuchi Y, Matsui H, Nakajima M, Ohbe H, Ono K, Yasunaga H. The clinical effect of the AN69ST membrane as a cytokine adsorption therapy for sepsis due to acute panperitonitis: a retrospective cohort study. Blood Purification 2020 ;49(3):364-371
  11. Hironaka K, Aso S, Suzuki M, Matano F, Matsui H, Fushimi K, Yasunaga H, Morita A. Outcomes in elderly Japanese patients treated for aneurysmal subarachnoid hemorrhage: A retrospective nationwide study. Journal of Stroke and Cerebrovascular Diseases 2020 ;29(6):104795
  12. Hirose N, Ishimaru M, Morita K, Yasunaga H. A review of studies using the Japanese National Database of Health Insurance Claims and Specific Health Checkups. Annals of Clinical Epidemiology 2020;2(1):13-26.
  13. Honda C, Yamana H, Matsui H, Nagata S, Yasunaga H, Naruse T. Age in months and birth order in infant nonfatal injuries: A retrospective cohort study. Public Health in Practice 2020;100005
  14. Hosoi T, Yamana H, Tamiya H, Matsui H, Fushimi K, Akishita M, Yasunaga H, Ogawa S. Association between comprehensive geriatric assessment and short-term outcomes among older adult patients with stroke: a nationwide retrospective cohort study using propensity score and instrumental variable methods. EClinicalMedicine 2020;23:100411
  15. Ikawa F, Michihata N, Matsushige T, Abiko M, Ishii D, Oshita J, Okazaki T, Sakamoto S, Kurogi R, Iihara K, Nishimura K, Morita A, Fushimi K, Yasunaga H, Kurisu K. In-hospital mortality and poor outcome after surgical clipping and endovascular coiling for aneurysmal subarachnoid hemorrhage using nationwide databases: a systematic review and meta-analysis. Neurosurgical Review 2020;43(2):655-667.
  16. Ikawa F, Michihata N, Akiyama Y, Iihara K, Morita A, Kato Y, Yamaguchi S, Kurisu K, Fushimi K, Yasunaga H. Propensity Score Matching Analysis for the Patients of Unruptured Cerebral Aneurysm from a Post Hoc Analysis of a Nationwide Database in Japan. World Neurosurg. 2020;136:e371-e379.
  17. Jo T, Yasunaga H, Yamauchi Y, Mitani A, Hiraishi Y, Hasegawa W, Sakamoto Y, Matsui H, Fushimi K, Nagase T. Inhaled corticosteroid withdrawal may improve outcomes in elderly patients with COPD exacerbation: A nationwide database study. ERJ Open Research 2020;6(1):00246-2019.
  18. Kaneko H, Itoh H, Yotsumoto H, Kiriyama H, Kamon T, Fujiu K, Morita K, Michihata N, Jo T, Morita H, Yasunaga H, Komuro I. Characteristics and Outcomes of Super-Elderly Patients (aged ≥90 Years) Hospitalized for Heart Failure: Analysis of a Nationwide Inpatient Database. Circulation Reports 2020 epub
  19. Kawata M, Taketomi S, Inui H, Matsui H, Fushimi K, Yamagami H, Yasunaga H, Tanaka S. Type of bone graft and primary diagnosis were associated with nosocomial surgical site infection after high tibial osteotomy: analysis of a national database. Knee Surgery, Sports Traumatology, Arthroscopy 2020 epub
  20. Kido T, Iwagami M, Yasunaga H, Abe T, Enomoto Y, Matsui H, Fushimi K, Takada H, Tamiya N. Outcomes of paediatric out-of-hospital cardiac arrest according to hospital characteristic defined by the annual number of paediatric patients with invasive mechanical ventilation: a nationwide study in Japan. Resuscitation 2020;148:49-56.
  21. Kitamura T, Nakajima M, Kawamura I, Ohbe H, Sasabuchi Y, Matsui H, Fushimi K, Fukamizu S, Yasunaga H. Patient Characteristics, Procedure Details Including Catheter Devices, and Complications of Catheter Ablation for Ventricular Tachycardia. Journal of Arrhytmia 2020 ;36(3):464-470
  22. Koizumi M, Suzuki S, Matsui H, Fushimi K, Yamasoba T, Yasunaga H. Trends in complications after functional endoscopic sinus surgery in Japan: a comparison with a previous study (2007–2013 vs. 2013–2017).   Auris Nasus Larynx 2020 epub
  23. Kondo Y, Ohbe H, Yasunaga H, Tanaka H. Initial Focused Assessment with Sonography in Trauma versus Initial Computed Tomography for Patients with Hemodynamically-Stable Torso Trauma. Emergency Medical Journal 2020;37(1):19-24
  24. Konishi T, Fujiogi M, Niwa T, Morita K, Matsui H, Fushimi K, Tanabe M, Seto Y, Yasunaga H. Comparison of outcomes after differentiated thyroid cancer surgery performed with and without energy devices: a population-based cohort study using a nationwide database in Japan. International Journal of Surgery 2020;77:198-204
  25. Konishi T, Fujiogi M, Michihata N, Morita K, Matsui H, Fushimi K, Tanabe M, Seto Y, Yausnaga H. Impact of body mass index on outcomes following breast cancer surgery: a nationwide inpatient database study in Japan. Clinical Breat Cancer 2020 in press
  26. Konishi T, Fujiogi M, Michihata N, Morita K, Matsui H, Fushimi K, Tanabe M, Seto Y, Yausnaga H. Treatments and outcomes of encapsulating peritoneal sclerosis in patients undergoing peritoneal dialysis: 295 cases from a nationwide inpatient database in Japan. Peritoneal Dialysis International 2020 in press
  27. Matsuda K, Jo T, Miyauchi M, Toyama K, Nakazaki K, Matsui H, Fushimi K, Yasunaga H, Kurokawa M. Primary prophylaxis with pegfilgrastim in patients with newly-diagnosed diffuse large B-cell lymphoma: propensity score and instrumental variable analyses. Leukemia Lymphom 2020 in press
  28. Minami T, Yamana H, Matsui H, Fushimi K, Yasunaga H. Postoperative Outcomes after Tubeless, Totally Tubeless, Standard and Standard with ureteral stent Percutaneous Nephrolithotomy: a Nationwide Retrospective Study in Japan. Urologia Internationalis 2020 Jan 17:1-7
  29. Miyamoto Y, Iwagami M, Aso S, Matsui H, Doi K, Yasunaga H. Pregabalin and injury: a nested case-control and case-crossover study. Pharmacoepidemiology and Drug Safety 2020 in press
  30. Miyamoto Y, Ohbe H, Matsui H, Fushimi K, Yasunaga H. Effect of carbazochrome sodium sulfonate in patients with colonic diverticular bleeding: propensity score matching analyses using a nationwide inpatient database. Internal Medicine 2020 in press
  31. Miyamoto Y, Aso S, Iwagami M, Yasunaga H, Matsui H, Fushimi K, Hamasaki Y, Nangaku M, Doi K. Association between intravenous thiamine and mortality in patients with septic shock: A nationwide observational study. Crit Care Med 2020 in press
  32. Mouri H, Jo T, Matsui H, Fushimi K, Yasunaga H. Impact of glucocorticoid supplementation on reducing perioperative complications in patients on long-term glucocorticoid medication: a propensity score analysis using a nationwide inpatient database. American Journal of Surgery 2020 in press
  33. Mouri H, Jo T, Matsui H, Fushimi K, Yasunaga H. Effect of Sugammadex on Postoperative Myasthenic Crisis in Myasthenia Gravis Patients: Propensity Score Analysis of a Japanese Nationwide Database. Anesthesia and Analgesia. 2020 Feb;130(2):367-373.
  34. Nakagami G, Morita K, Matsui H, Yasunaga H, Fushimi K, Sanada H. Association between pressure injury status and hospital discharge to home: a retrospective observational cohort study using a national inpatient database. Annals of Clinical Epidemiology 2020;2(2):38–50.
  35. Nakajima M, Aso S, Matsui H, Fushimi K, Yasunaga H. Hyperbaric oxygen therapy and mortality from carbon monoxide poisoning: a nationwide observational study. Am J Emerg Med. 2019 epub
  36. Nakajima M, Aso S, Matsui H, Kaszynski RH, Fushimi K, Yamaguchi Y, Yasunaga H. Prevalence of myocardial injury required percutaneous coronary intervention in acute carbon monoxide poisoning. European Journal of Emergency Medicine 2019 epub
  37. Nakajima M, Ono S, Michihata N, Kaszynski RH, Matsui H, Yamaguchi Y, Yasunaga H. Epinephrine autoinjector prescription patterns for severe anaphylactic patients in Japan: A retrospective analysis of health insurance claims data. Allergology International 2019 in press
  38. Nakamura K, Ohbe H, Matsui H, Takahashi Y, Marushima A, Inoue Y, Fushimi K, Yasunaga H. Changes in Real-World Practice Patterns of Antiepileptic Drugs for Status Epilepticus: a Nationwide Observational Study in Japan. Neurologia medico-chirurgica 2019 in press
  39. Nakamura K, Ohbe H, Matsui H, Naraba H, Nakano H, Takahashi Y, Fushimi K, Yasunaga H. Phenytoin versus fosphenytoin for second-line treatment of status epilepticus: propensity score matching analysis using a nationwide inpatient database. Seizure 2020 in press
  40. Obikane E, Yamana H, Yasunaga H, Kawakami N. Cumulative visits for care of minor injuries are associated with traumatic brain injury in young children. Acta Paediatrica 2020 in press
  41. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Differences in effect of early enteral nutrition on mortality among ventilated adults with shock requiring low-, medium-, and high-dose noradrenaline: a propensity-matched analysis. Clinical Neutrition. 2020;39(2):460-467
  42. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Early enteral nutrition in patients with severe traumatic brain injury: a propensity score-matched analysis using a nationwide inpatient database in Japan. American Journal of Clinical Nutrition 2020;111:378–384
  43. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Clinical trajectories of suicide attempts and self-harm in patients admitted to acute-care hospitals in Japan: a nationwide inpatient database study. Journal of Epidemiology 2020 in press
  44. Ohbe H, Morita K, Matsui H, Fushimi K, Yasunaga H. Stress ulcer prophylaxis plus enteral nutrition versus enteral nutrition alone in critically ill patients at risk for gastrointestinal bleeding: a propensity-matched analysis. Intensive Care Medicine 2020 in press
  45. Okada A. Outcomes of Lactulose plus Branched-Chain Amino Acid Infusion and Lactulose Alone for Hepatic Encephalopathy: A Retrospective Cohort Study Using a National Inpatient Database. Hepatology Research 2020 in press
  46. Okubo Y, Michihata N, Morisaki N, Yoshida K, Matsui H, Fushimi K, Yasunaga H. Effects of glucocorticoids on hospitalized children with anaphylaxis. Pediatric Emergency Care. 2019 epub
  47. Okubo Y, Miura M, Kobayashi T, Morisaki N, Michihata N, Matsui H, Fushimi K, Yasunaga H. The impact of changes in clinical guideline on practice patterns and healthcare utilizations for Kawasaki disease in Japan. Frontiers in Pediatrics, section Pediatric Immunology. 2020 in press
  48. Okubo Y, Uda K, Kinoshita N, Horikoshi Y, Miyairi I, Michihata N, Matsui H, Fushimi K, Yasunaga H. National trends in appropriate antibiotics use among pediatric inpatients with uncomplicated lower respiratory tract infections in Japan. Journal of Infection and Chemotherapy 2020 in press
  49. Okubo Y, Horimukai K, Michihata N, Morita K, Matsui H, Fushimi K, Yasunaga H. Association between early antibiotic treatment and clinical outcomes in children hospitalized for an asthma exacerbation. Journal of Allergy and Clinical Immunology 2020 in press
  50. Ono S, Ono Y, Koide D, Yasunaga H. Relationship between severe respiratory depression and codeine-containing antitussives in children: a nested case-control study. J Epidemiol. 2019 epub
  51. Ono S, Ono Y, Koide D, Yasunaga H. Association between routine nephropathy monitoring and subsequent change in estimated glomerular filtration rate in patients with diabetes mellitus: a Japanese non-elderly cohort study. Journal of Epidemiology 2019 epub
  52. Otaka S, Aso S, Matsui H, Fushimi K, Yasunaga H. Early versus late rib fixation in patients with traumatic rib fractures: a nationwide study. Annals of Thoracic Surgery 2020 in press
  53. Sakamoto T, Fujiogi M, Matsui H, Fushimi K, Yasunaga H. Comparing perioperative mortality and morbidity of minimally invasive esophagectomy versus open esophagectomy for esophageal cancer: a nationwide retrospective analysis. Annals of Surgery 2019 epub
  54. Sakamoto T, Fujiogi M, Matsui H, Fushimi K, Yasunaga H. Short-term outcomes of laparoscopic and open total gastrectomy for gastric cancer: a nationwide retrospective cohort analysis. Annals of Surgical Oncology 2020;27(2):518-526
  55. Sakamoto T, Fujiogi M, Matsui H, Fushimi K, Yasunaga H. Timing of cholecystectomy after percutaneous transhepatic gallbladder drainage for acute cholecystitis: a nationwide inpatient database study. HPB 2020;22:920-6
  56. Sakamoto T, Fujiogi M, Matsui H, Fushimi K, Yasunaga H. Clinical features and outcomes of nonocclusive mesenteric ischemia after cardiac surgery: a retrospective cohort study. Heart and Vessels 2019 in press
  57. Sakamoto T, Fujiogi M, Lefor AK, Matsui H, Fushimi K, Yasunaga H. Stent as a bridge to surgery or immediate colectomy for malignant right colonic obstruction: propensity-scored, national database study. Brit J Surg 2020 in press
  58. Sato M, Tateishi R, Yasunaga H, Matsui H, Fushimi K, Ikeda H, Yatomi Y, Koike K. In-hospital mortality associated with transcatheter arterial embolization for treatment of hepatocellular carcinoma in patients on hemodialysis for end stage renal disease: a matched-pair cohort study using a nationwide database. BJR Open 2019 in press
  59. Shigemi D, Ishimaru M, Matsui H, Fushimi K, Yasunaga H. Suicide attempts among pregnant and postpartum women in Japan: a nationwide retrospective cohort study. J Clin Psychiatry 2020 in press
  60. Shigemi D, Isogai S, Uda K, Aso S, Matsui H, Fushimi K, Yasunaga H. Association between rehabilitation during hospitalization and perinatal outcomes among pregnant women with threatened preterm birth. The Journal of Maternal-Fetal & Neonatal Medicine 2019 epub
  61. Shinozaki N, Morita K, Matsui H, Jo T, Yasunaga H. Semisolid versus liquid nutrients and 30-day readmission in gastrostomy tube-fed patients: a propensity-matched analysis. Journal of Parenteral and Enteral Nutrition 2020 in press
  62. Suzuki J, Sasabuchi Y, Hatakeyama S, Matsui H, Sasahara T, Morisawa Y, Yamada T, Yasunaga H. The effect of antithrombin added to recombinant human soluble thrombomodulin for severe community-acquired pneumonia-associated disseminated intravascular coagulation: a retrospective cohort study using a nationwide inpatient database. J Intensive Care 2020;8:8
  63. Takiguchi T, Nakajima M, Ohbe H, Sasabuchi Y, Matsui H, Fushimi K, Kim S, Yokota H, Yasunaga H. Vasodilator therapy and mortality in non-occlusive mesenteric ischemia: a nationwide observational study. Crit Care Med 2020 in press
  64. Tanaka H, Yamana H, Matsui H, Fushimi K, Yasunaga H. Proportion and risk factors of cholesterol crystal embolization after cardiovascular procedures: a retrospective national database study. Heart and Vessels 2020 in press
  65. Ugata Y, Michihata N, Matsui H, Fushimi K, Yasunaga H. Periprocedural hypotension after conscious sedation versus local anesthesia during defibrillator implantation for left ventricular dysfunction: Analysis of a national inpatient database in Japan. Heart and Vessels 2020;35:118–124
  66. Ugata Y, Michihata N, Matsui H, Fushimi K, Yasunaga H. Optimal timing and safety of non-vitamin K antagonist oral anticoagulant for atrial-fibrillation-related ischemic stroke. Annals of Clinical Epidemiology 2020;2(1):3-12.
  67. Yasunaga H. Protection of personal information in real-world data in Japan. Annals of Clinical Epidemiology 2020;2(1):1-2.
  68. Yasunaga H. Introduction to Applied Statistics—Chapter 1 Propensity Score Analysis. Annals of Clinical Epidemiology 2020;2(2):33–37
  69. Yonezawa N, Jo T, Matsui H, Fushimi K, Yasunaga H. Effect of Early Tracheostomy on Mortality of Mechanically Ventilated Patients With Guillain–Barré Syndrome: A Nationwide Observational Study. Neurocritical Care 2020 in press
  70. Kaneko H, Itoh H, Yotsumoto H, Kiriyama H, Kamon T, Fujiu K, Morita K, Michihata N, Jo T, Morita H, Yasunaga H, Komuro I. Association of Body Weight Gain with Subsequent Cardiovascular Event in Non-Obese General Population without Overt Cardiovascular Disease. Atherosclerosis 2020 in press
  71. Miyakuni Y, Nakajima M, Ohbe H, Sasabuchi Y, Kaszynski RH, Ishimaru M, Matsui H, Fushimi K, Yamaguchi Y, Yasunaga H. Angiography versus colonoscopy in patients with severe lower gastrointestinal bleeding: a nation-wide observational study. Acute Medicine & Surgery 2020 in press
  72. Yamana H, Ono S, Michihata N, Jo T, Yasunaga H. Outpatient prescription of Kampo formulations in Japan. Internal Medicine 2020 in press
  73. Makito K, Matsui H, Fushimi K, Yasunaga H. Volatile versus total intravenous anesthesia for cancer prognosis in patients having digestive cancer surgery: A nationwide retrospective cohort study. Anesthesiology 2020 in press
  74. Kaneko H. Association between the number of hospital admissions and in-hospital outcomes in patients with heart failure. Hypertension Research 2020 in press
  75. Kaneko H, Itoh H, Yotsumoto H, Kiriyama H, Kamon T, Fujiu K, Morita K, Kashiwabara K, Michihata N, Jo T, Morita H, Yasunaga H, Komuro I. Cardiovascular Health Metrics of 87,160 Couples: Analysis of a Nationwide Epidemiological Database. Journal of Atherosclerosis and Thrombosis 2020 in press
  76. Ando T, Kawashima M, Jo T, Masuda K, Yamauchi Y, Tanaka G, Kage H, Suzukawa M, Nagai H, Matsui H, Fushimi K, Yasunaga H, Nagase T. Early Arterial Embolization and Mortality in Mechanically Ventilated Patients with Hemoptysis: a Nationwide Retrospective Cohort Study. Crit Care Med 2020 in press
  77. Katsuki R, Jo T, Yasunaga H, Ishimaru M, Sakamoto T. Outcomes of Self-expandable Metal Stent as Bridge to Surgery versus Emergency Surgery for Left-sided Obstructing Colon Cancer: A Retrospective Cohort Study. Am J Surg 2020 in press
  78. Aso S. Dexmedetomidine and mortality from sepsis requiring mechanical ventilation. Journal of Intensive Care Medicine 2020 in press
  79. Kaneko H, Itoh H, Yotsumoto H, Kiriyama H, Kamon T, Fujiu K, Morita K, Michihata N, Jo T, Takeda N, Morita H, Yasunaga H, Komuro I. Association of Cancer with Outcomes in Patients Hospitalized for Heart Failure. Circulation Journal 2020 in press
  80. Hashimoto Y, Michihata N, Yamana H, Shigemi D, Morita K, Matsui H, Yasunaga H, Aihara M. Ophthalmic corticosteroids in pregnant women with allergic conjunctivitis and adverse neonatal outcomes: propensity score analyses. American Journal of Ophthalmology 2012 in press
  81. Sawada R, Yamana H, Shinoda Y, Tsuda Y, Matsui H, Fushimi K, Kobayashi H, Matsubayashi Y, Yasunaga H, Tanaka S, Haga N. Predictive factors of 30-day mortality after surgery for spinal metastasis: Analysis of a nationwide database. Journal of Orthopaedic Science 2020 in press
  82. Makito K, Matsui H, Fushimi K, Yasunaga H. Incidences and risk factors for post-dural puncture headache after neuraxial anaesthesia: a national inpatient database study in Japan. Anaesthesia and Intensive Care 2020 in press
  83. Makito K, Matsui H, Fushimi K, Yasunaga H. Spinal epidural hematoma and abscess after neuraxial anesthesia: a historical cohort study using the Japanese Diagnosis Procedure Combination database. Canadian Journal of Anesthesia 2020 in press
  84. Taniguchi K, Ohbe H, Yamakawa K, Matsui H, Fushimi K, Yasunaga H. Recombinant thrombomodulin in disseminated intravascular coagulation associated with stage IV solid tumors: a nationwide observational study in Japan. Thrombosis and Haemostasis 2020 in press
  85. Shoji K, Michihata N, Miyairi I, Matsui H, Kiyohide Fushimi, and Hideo Yasunaga Recent Epidemiology of Pneumocystis Pneumonia in Japan. Journal of Infection and Chemotherapy
  86. Suzuki J, Sasabuchi Y, Hatakeyama S, Matsui H, Sasahara T, Morisawa Y, Yamada T, Yasunaga H. Histamine-2 receptor antagonists versus proton pump inhibitors for septic shock after lower gastrointestinal tract perforation: A retrospective cohort study using a national inpatient database. Journal of Intensive Care 2020 in press
  87. Tsuda Y, Tsoi K, Stevenson JD, Laitinen M, Ferguson P, Wunder J, Griffin A, van de Sande MAJ, van Praag VM, Leithner A, Fujiwara T, Yasunaga H, Matsui H, Parry MC, Jeys LM. Development and external validation of nomograms to predict sarcoma-specific death and disease progression after surgical resection of localised high-grade conventional primary central chondrosarcoma and dedifferentiated chondrosarcoma: a retrospective, multicentre, cohort study. The Bone & Joint Journal 2020 in press
  88. Naruse K, Shigemi D, Hashiguchi M, Imamura M, Yasunaga H, Arai T. Placental abruption in each phenotype of hypertensive disorders of pregnancy: a retrospective cohort study using a national inpatient database in Japan. Hypertension Research 2020 in press
  89. Hatachi T, Michihata N, Takeuchi M, Matsui H, Fushimi K, Yasunaga H. Early steroid pulse therapy among children with influenza virus-associated encephalopathy. Journal of Intensive Care 2020 in press
  90. Ohbe H, Ogura T, Matsui H, Yasunaga H. Extracorporeal cardiopulmonary resuscitation for acute aortic dissection during cardiac arrest: a nationwide retrospective observational study. Rescuscitation 2020 in press
  91. Ohbe H, Goto T, Miyamoto Y, Yasunaga H. Risk of cardiovascular events after spouse’s ICU admission. Circulation 2020 in press
  92. Sato D, Goto T, Uda K, Kumazawa R, Matsui H, Yasunaga H. Impact of national guidelines for antimicrobial stewardship to reduce antibiotic use in upper respiratory tract infection and gastroenteritis. Infection Control & Hospital Epidemiology 2020 in press
  93. Itoh H, Kaneko H, et al. Serial Change in Clinical Presentations and Outcomes of 5,740 Patients Requiring Repeated Hospital Admissions (Four or More Times) due to Worsened Heart Failure. Int Heart J 2020 in press
  94. Miyano S, et al. Comparison of fracture risk between proton pump inhibitors and histamine-2 receptor antagonists in AAV patients:A nested case-control study. Rheumatology 2020 in press
  95. Suzuki T, Michihata N, et al. High-dose versus low-dose intravenous immunoglobulin for treatment of children with Kawasaki disease weighing 25 kg or more. European Journal of Pediatrics. 2020 in press
  96. Kondo Y. Proton pump inhibitors versus histamine-2 receptor antagonists for stress ulcer prophylaxis during extracorporeal membrane oxygenation: A propensity score-matched analysis. BMJ Open 2020 in press
  97. Hashimoto Y. Intraocular pressure-lowering medications during pregnancy and risk of neonatal adverse outcomes: a propensity score analysis using a large database. British Journal of Ophthalmology. 2020 in press
  98. Miyamoto Y. Effect of tranexamic acid in patients with colonic diverticular bleeding: a nationwide inpatient database study. Journal of Gastroenterology and Hepatology 2020 in press
  99. Shigemi D, Morishima T, Shibata A, Tabuchi T, Yasunaga H, Miyashiro I. Comparison of overall mortality between hysterectomy and concurrent chemoradiotherapy for the primary treatment of localized or regionally extended cervical cancer. Annals of Clinical Epidemiology 2020; 2(3):75-83
  100. Kaneko H. Association of Isolated Diastolic Hypertension based on the Cut-Off Value in the 2017 ACC/AHA Blood Pressure Guidelines with Subsequent Cardiovascular Event in General Population. JAHA 2020 in press
  101. Chinen T. Association between third-generation fluoroquinolones and Achilles tendon rupture: a self-controlled case series analysis. Annals of Family Medicine 2020 in press
  102. Kaneko H. Association of Cardiovascular Health Metrics with Subsequent Cardiovascular Disease in Young Adults. Journal of the American College of Cardiology 2020 in press
  103. Taniguchi K, Ohbe H, Yamakawa K, Matsui H, Fushimi K, Yasunaga H. Antithrombin use and mortality in patients with stage IV solid tumor-associated disseminated intravascular coagulation: A nationwide observational study in Japan. BMC Cancer 2020 in press
  104. Ito H, Kaneko H. Reverse J-shaped relationship between body mass index and in-hospital mortality of patients hospitalized for heart failure in Japan. Heart and Vessels 2020 in press
  105. Funakoshi H. Association between Preventive Administration of Fasudil Hydrochloride and Post-interventional Neurological Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage. Annals of Clinical Epidemiology 2020 in press
  106. Hashimoto Y. Recent trends in vitreoretinal surgery: a nationwide database study in Japan, 2010–2017. Japanese Journal of Ophthalmology 2020 in press
  107. Konishi T. Association between body mass index and localization of breast cancer: results from a nationwide inpatient database in Japan. Breast Cancer Research and Treatment 2020 in press
  108. Kurakawa K. Effects of prophylactic antibiotics on length of stay and total costs for pediatric acute pancreatitis: a nationwide database study in Japan. Pancreas 2020 in press
  109. Shigemi D, Hashimoto Y, Michihata N, Yasunaga H. Effect of Japanese herbal Kampo medicines on live birth rate in women with recurrent pregnancy loss. International Journal of Gynecology and Obstetrics 2020 in press
  110. Miyamoto Y. Expanded indication for recombinant tissue plasminogen activator from 3 to 4.5 hours after onset of stroke in Japan. Journal of Stroke and Cerebrovascular Diseases 2020 in press
  111. Yamana H, et al. Treatment of latent tuberculosis infection in patients receiving biologic agents. Journal of Infection and Chemotherapy 2020 in press
  112. Yagi M, et al. Outcomes after Intensive Rehabilitation for Mechanically-ventilated Patients: A Nationwide Retrospective Cohort Study. Archives of Physical Medicine and Rehabilitation. 2020 in press

[2019]

  1. Aso S, Matsui H, Fushimi K, Yasunaga H. Systemic glucocorticoids plus cyclophosphamide for acute exacerbation of idiopathic pulmonary fibrosis: A retrospective nationwide study. Sarcoidosis Vasculitis and Diffuse Lung Disease. 2019 36 (2); 116-123
  2. Fujiogi M, Michihata N, Matsui H, Fushimi K, Yasunaga H, Fujishiro J. Outcomes following laparoscopic versus open surgery for pediatric inguinal hernia repair: analysis using a national inpatient database in Japan. Journal of Pediatric Surgery. 2019;54(3):577-581
  3. Fujiogi M, Michihata N, Matsui H, Fushimi K, Yasunaga H, Fujishiro J. Early outcomes of laparoscopic versus open surgery for urachal remnant resection in children: a retrospective analysis using a nationwide inpatient database in Japan. Journal of Laparoendoscopic & Advanced Surgical Techniques. 2019;29(8):1067-1072
  4. Fujiogi M, Goto T, Yasunaga H, Fujishiro J, Mansbach JM, Camargo CA Jr., Hasegawa K. Trends in bronchiolitis hospitalizations in the United States, 2000-2016. Pediatrics 2019;144(6):e20192614.
  5. Fujiogi M, Michihata N, Matsui H, Fushimi K, Yasunaga H, Ishimaru T, Fujishiro J. Factors affecting successful atropine therapy for infantile hypertrophic pyloric stenosis: a retrospective analysis using a nationwide database in Japan. Annals of Clinical Epidemiology. 2019;1:4-10.
  6. Goto T, Jo T, Matsui H, Fushimi K, Hayashi H, Yasunaga H. Machine learning-based prediction models for 30-day readmission after hospitalization for chronic obstructive pulmonary disease. COPD 2019;16(5-6):338-343.
  7. Hatakeyama S, Hashimoto H, Matsui H, Sasabuchi Y, Yasunaga H, Kotani K, Nagai R. Antibiotic prescription among outpatients in a prefecture of Japan, 2012–2013: A retrospective claims database study. BMJ Open. 2019;9(4):e026251
  8. Hiraishi Y, Jo T, Michihata N, Hasegawa W, Sakamoto Y, Urushiyama H, Matusi H, Fushimi K, Nagase T, Yasunaga H, Yamauchi Y. Hospital volume and mortality following diagnostic bronchoscopy in lung cancer patients: Data from a national inpatient database in Japan. Respiration. 2019;97(3):264-272
  9. Hoshina K, Ishimaru S, Sasabuchi Y, Yasunaga H, Komori K; Japan Committee for Stentgraft Management (JACSM). Outcomes of Endovascular Repair for Abdominal Aortic Aneurysms: A Nationwide Survey in Japan. Ann Surg. 2019;269(3):564-573.
  10. Ikawa F, Hidaka T, Yoshiyama M, Ohba H, Matsuda S, Ozono I, Iihara K, Kinouchi H, Nozaki K, Kato Y, Morita A, Michihata N, Yasunaga H, Kurisu K. Characteristics of Cerebral Aneurysms in Japan. Neurol Med Chir. 2019;59(11):399-406.
  11. Ishimaru M, Ono S, Matsui H, Yasunaga H. Association between perioperative oral care and postoperative pneumonia after cancer resection: Conventional versus high-dimensional propensity score matching analysis. Clinical Oral Investigations. 2019 ;23(9):3581-3588
  12. Ishimaru M, Ono S, Matsui H, Yasunaga H. Domiciliary dental care among homebound older adults: a nested case-control study in Japan. Geriatrics & Gerontology International. 2019;19(7):679-683
  13. Ishimaru T, Fujiogi M, Michihata N, Matsui H, Fushimi K, Kawashima H, Fujishiro J, Yasunaga H. Impact of congenital heart disease on outcomes after primary repair of esophageal atresia: a retrospective observational study using a nationwide database in Japan. Pediatric Surgery International 2019 ;35(10):1077-1083.
  14. Isogai T, Matsui H, Tanaka H, Fushimi K, Yasunaga H. In-hospital Takotsubo syndrome versus in-hospital acute myocardial infarction among patients admitted for non-cardiac diseases: a nationwide inpatient database study. Heart and Vessels. 2019;34(9):1479-1490
  15. Jo T, Michihata N, Yamana H, Sasabuchi Y, Matsui H, Urushiyama H, Mitani A, Yamauchi Y, Fushimi K, Nagase T, Yasunaga H. Reduction in exacerbation of COPD in patients of advanced age using the Japanese Kampo medicine Dai-kenchu-to: a retrospective cohort study. International Journal of Chronic Obstructive Pulmonary Disease. 2019:14 129–139
  16. Kawamura I, Nakajima M, Kitamura T, Kaszynski RH, Hojo R, Ohbe H, Sasabuchi Y, Matsui H, Fushimi K, Fukamizu S, Yasunaga H. Patient Characteristics and In-hospital Complications of Subcutaneous Implantable Cardioverter Defibrillator for Brugada Syndrome in Japan. Journal of Arrhythmia 2019;35(6):842-847
  17. Kinoshita T, Ohbe H, Matsui H, Fushimi K, Ogura H, Yasunaga H. Effect of tranexamic acid on mortality in patients with haemoptysis: a nationwide study. Crit Care 2019;23:347.
  18. Koizumi M, Ishimaru M, Matsui H, Fushimi K, Yamasoba T, Yasunaga H. Tranexamic acid and post-tonsillectomy hemorrhage: propensity score and instrumental variable analyses. European Archives of Oto-Rhino-Laryngology. 2019;276(1):249-254
  19. Koizumi M, Ishimaru M, Matsui H, Fushimi K, Yamasoba T, Yasunaga H. Outcomes of endoscopic sinus surgery for sinusitis-induced intracranial abscess in patients undergoing neurosurgery. Neurosurgical Focus 2019;47(2):E12.
  20. Kondo Y, Matsui H, Yasunaga H. Characteristics, treatments, and outcomes among patients with abdominal aortic injury in Japan: A nationwide cohort study. World Journal of Emergency Surgery 2019;14:43.
  21. Kumamaru KK, Kumamaru H, Yasunaga H, Matsui H, Omiya T, Hori M, Suzuki M, Wada A, Kamagata K, Takamura T, Irie R, Nakanishi A, Aoki S. Large Hospital Variation in the Utilization of Post-procedural CT to Detect Pulmonary Embolism/Deep Vein Thrombosis in Patients Undergoing Total Knee or Hip Replacement Surgery: Japanese Nationwide Diagnosis Procedure Combination Database Study. British J Radiol. 2019;92(1097):20180825.
  22. Kumazawa R, Jo T, Matsui H, Fushimi K, Yasunaga H. Association between angiotensin-converting enzyme inhibitors and post-stroke aspiration pneumonia. Journal of Stroke and Cerebrovascular Diseases 2019;28(12):104444.
  23. Matsui H, Koike S, Fushimi K, Wada T, Yasunaga H. Effect of neurologic specialist staffing on 30-day in-hospital mortality after cerebral infarction. Annals of Clinical Epidemiology 2019;1(3):86-94
  24. Michihata N, Shigemi D, Sasabuchi Y, Matsui H, Jo T, Yasunaga H. Safety and effectiveness of Japanese herbal Kampo medicines for treatment of hyperemesis gravidarum. International Journal of Gynecology & Obstetrics. 2019;145(2):182-186.
  25. Minami T, Yamana H, Shigemi D, Matsui H, Fushimi K, Yasunaga H. Artificial colloids versus human albumin for treatment of ovarian hyperstimulation syndrome: a retrospective cohort study. International Journal of Reproductive BioMedicine 2019; 17: 709–716.
  26. Miyamoto Y, Iwagami M, Aso S, Yasunaga H, Matsui H, Fushimi K, Hamasaki Y, Nangaku M, Doi K. Association between intravenous contrast media exposure and non-recovery from dialysis-requiring septic acute kidney injury: a nationwide observational study. Intensive Care Medicine 2019;45(11):1570-1579.
  27. Morita K, Matsui H, Michihata N, Fushimi K, Yasunaga H. Association of Early Systemic Corticosteroid Therapy with Mortality in Patients with Stevens–Johnson Syndrome or Toxic Epidermal Necrosis: A Retrospective Cohort Study Using a Nationwide Claims Database. American Journal of Clinical Dermatology. 2019;20(4):579-592.
  28. Mouri H, Jo T, Michihata N, Matsui H, Fushimi K, Yasunaga H. Continuous Neuromuscular Blockade and Mortality in Patients with Exacerbation of Idiopathic Interstitial Pneumonias: A Propensity-matched Analysis. Respiratory Care. 2019;64(1):34-39.
  29. Nakajima M, Aso S, Yasunaga H, Shirokawa M, Nakano T, Goto H, Yamaguchi Y. Body temperature change and outcomes in patients undergoing long-distance air medical transport. Am J Emerg Med. 2019;37(1):89-93.
  30. Nakajima M, Aso S, Matsui H, Fushimi K, Yasunaga H. Disaster-related carbon monoxide poisoning after the Great East Japan Earthquake, 2011: a nationwide observational study. Acute Medicine & Surgery 2019;6(3):294-300
  31. Nakajima M, Kojiro M, Aso S, Matsui H, Fushimi K, Kaita Y, Goto H, Yamaguchi Y, Yasunaga H. Effect of high-dose vitamin C therapy on severe burn patients: A nationwide retrospective cohort study. Crit Care 2019;23(1):407
  32. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Early enteral nutrition in patients undergoing sustained neuromuscular blockade: a propensity-matched analysis using a nationwide inpatient database. Critical Care Medicine. 2019;47(8):1072-1080
  33. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Treatment with antithrombin or thrombomodulin and mortality from heatstroke-induced disseminated intravascular coagulation: a nationwide observational study. Seminars in Thrombosis and Hemostasis 2019;45(8):760-766.
  34. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Intravenous albumin for initial resuscitation and mortality in septic shock patients: propensity score analyses using a nationwide inpatient database. Annals of Clinical Epidemiology 2019;1:45–55
  35. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Extracorporeal membrane oxygenation improves outcomes of accidental hypothermia without vital signs: a nationwide observational study. Resuscitation 2019;144:27-32.
  36. Oichi T, Oshima Y, Matsui H, Fushimi K, Tanaka S, Yasunaga H. Can elective spine surgery be performed safely among nonagenarians? Analysis of a national inpatient database in Japan. Spine. 2019;44(5):E273-E281
  37. Okubo Y, Miyairi I, Michihata N, Morisaki N, Kinoshita N, Urayama KY, Yasunaga H. Recent prescription patterns for children with acute infectious diarrhea. Journal of Pediatric Gastroenterology & Nutrition. 2019;68(1):13-16.
  38. Okubo Y, Hayakawa I, Nariai H, Michihata N, Matsui H, Fushimi K, Yasunaga H. Recent practice patterns in diagnostic procedures anticonvulsants, and antibiotics for children hospitalized with febrile seizure. Seizure: European Journal of Epilepsy. 2019; 67:52–56
  39. Ota K, Sasabuchi Y, Matsui H, Jo T, Fushimi K, Yasunaga H. Age distribution and seasonality in acute eosinophilic pneumonia: analysis using a national inpatient database. BMC Pulmonary Medicine. BMC Pulmonary Medicine 2019;19:38
  40. Sadamatsu Y, Hiratsuka Y, Michihata N, Jo T, Matsui H, Murakami A, Fushimi K, Yasunaga H. Activity of daily living improvement after cataract surgery for patients in nursing care facilities. Annals of Clinical Epidemiology 2019;1(3):80-85
  41. Sekimizu M, Ogura K, Yasunaga H, Matsui H, Tanaka S, Inagaki K, Kawai A. Development of nomograms for prognostication of patients with primary soft tissue sarcomas of the trunk and extremity: report from the Bone and Soft Tissue Tumor Registry in Japan. BMC Cancer 2019;19:657
  42. Shigemi D, Yasunaga H. Antenatal corticosteroid administration in women undergoing tocolytic treatment who delivered before 34 weeks of gestation: a retrospective cohort study using a national inpatient database. BMC Pregnancy and Childbirth. 2019;19(1):17
  43. Shigemi D, Yamaguchi S, Aso S, Yasunaga H. Predictive model for macrosomia using maternal parameters without sonography information. Journal of Maternal-Fetal and Neonatal Medicine. 2019;32(22):3859-3863
  44. Shigemi D, Aso S, Matsui H, Fushimi K, Yasunaga H. Safety of laparoscopic surgery for benign diseases during pregnancy: a nationwide retrospective cohort study. Journal of Minimally Invasive Gynecology. 2019;26(3):501-506
  45. Shigemi D, Matsui H, Fushimi K, Yasunaga H. Therapeutic impact of initial treatment for Chlamydia trachomatis among patients with pelvic inflammatory disease: a retrospective cohort study using a national inpatient database in Japan. Clinical Infectious Diseases. 2019;69(2):316-322
  46. Shigemi D, Matsui H, Fushimi K, Yasunaga H. Laparoscopic Compared With Open Surgery for Severe Pelvic Inflammatory Disease and Tubo-Ovarian Abscess. Obstetrics & Gynecology 2019;133(6):1224-1230
  47. Shigemi D, Aso S, Yasunaga H. Inappropriate use of ritodrine hydrochloride for threatened preterm birth in Japan: a retrospective cohort study using a national inpatient database. BMC Pregnancy and Childbirth 2019;19(1):204
  48. Shigemi D, Matsui H, Fushimi K, Yasunaga H. Recent overview of patients with anti-N-methyl-D-aspartate receptor encephalitis using a national inpatient database in Japan. Annals of Clinical Epidemiology. 2019;1:11-17.
  49. Shinkawa H, Yasunaga H, Hasegawa K, Matsui H, Michihata N, Fushimi K, Kokudo N. Mortality and morbidity after pancreatoduodenectomy in patients undergoing hemodialysis: analysis using a national inpatient database. Surgery. 2019;165(4):747-750
  50. Sugihara T, Yasunaga H, Matsui H, Kamei J, Fujimura T, Kume H. Regional clinical practice variation in Urology: Usage Example of the Open Data of National Database of Health Insurance Claims and Specific Health Checkups of Japan. Int J Urol Int J Urol. 2019;26(2):303-305.
  51. Suzuki J, Sasabuchi Y, Hatakeyama S, Matsui H, Sasahara T, Morisawa Y, Yamada T, Yasunaga H. Azithromycin plus β-lactam versus levofloxacin plus β-lactam for severe community-acquired pneumonia: a retrospective nationwide database analysis. Journal of Infection and Chemotherapy 2019;25(12):1012-1018.
  52. Tagami T, Matsui H, Ong M, Kuno M, Kaneko J, Tanaka C, Unemoto K, Fushimi K, Yasunaga H. Haptoglobin use and acute kidney injury requiring renal replacement therapy among patients with severe burn injury: a nationwide database study. Annals of Clinical Epidemiology 2019;1:69–75
  53. Takano A, Ono S, Yamana H, Matsui H, Matsumoto T, Yasunaga H, Kawakami N. Factors associated with the long-term prescription of benzodiazepines: a retrospective cohort study using a health insurance database in Japan. BMJ Open 2019;9:e029641.
  54. Takeshima T, Jo T, Yasunaga H, Morita K, Yamauchi Y, Hasegawa W, Sakamoto Y, Urushiyama H, Matsui H, Fushimi K, Nagase T. Factors Associated with Severe Postoperative Acute Respiratory Failure Requiring High Dose Corticosteroid Therapy. Annals of Clinical Epidemiology 2019;1:31–44
  55. Tsuchiya A, Yasunaga H, Tsutsumi Y, Kawahara T, Matsui H, Fushimi K. Nationwide observational study of mortality from complicated intra-abdominal infections and the role of bacterial cultures. Br J Surg. 2019;106(5):606-615.
  56. Uda K, Matsui H, Fushimi K, Yasunaga H. Intensive in-hospital rehabilitation after hip fracture surgery and activities of daily living in patients with dementia: Retrospective analysis of a nationwide inpatient database. Archives of Physical Medicine and Rehabilitation 2019;100:2301-2307
  57. Usui T, Hanafusa N, Yasunaga H, Nangaku M. Association of dialysis with in-hospital disability progression and mortality in community-onset stroke. Nephrology (Carlton). 2019;24(7):737-743
  58. Winburn I, Ishii T, Sumikawa T, Togo K, Yasunaga H. Estimating the Prevalence of Transthyretin Amyloid Cardiomyopathy in a Large In-Hospital Database in Japan. Cardiol Ther 2019;8(2):297-316
  59. Yasunaga H. How to review manuscripts. Annals of Clinical Epidemiology. 2019;1:2-3
  60. Yasunaga H. Real World Data in Japan: Chapter I NDB. Annals of Clinical Epidemiology 2019;1(2):28-30.
  61. Yasunaga H. Real World Data in Japan: Chapter II The Diagnosis Procedure Combination Database. Annals of Clinical Epidemiology 2019;1(3):76-79.

[2018]

  1. Abe H, Sumitani M, Uchida K, Ikeda T, Matusi H, Fushimi K, Yasunaga H, Yamada Y. Association between mode of anaesthesia and severe maternal morbidity during scheduled caesarean delivery: a nationwide population-based study in Japan. British Journal of Anaesthesia 2018;120(4):779–789.
  2. Aso S, Matsui H, Fushimi K, Yasunaga H. Effect of cyclosporine A on mortality after acute exacerbation of idiopathic pulmonary fibrosis. Journal of Thoracic Disease 2018;10(9):5275-5282
  3. Fujiogi M, Michihata N, Matsui H, Fushimi K, Yasunaga H, Fujishiro J. Clinical features and practice patterns of gastroschisis: a retrospective analysis using a Japanese national inpatient database. Pediatric Surgery International 2018;34:727–733
  4. Fujiogi M, Michihata N, Matsui H, Fushimi K, Yasunaga H, Fujishiro J. Postoperative small bowel obstruction following laparoscopic or open fundoplication in children: a retrospective analysis using a nationwide database. World Journal of Surgery 2018 ;42(12):4112-4117.
  5. Funakoshi H, Matsui H, Fushimi K, Yasunaga H. Variation in patient backgrounds, practice patterns, and outcomes of high-risk pulmonary embolism in Japan: A retrospective cohort study. International Heart Journal 2018;59(2):367-371
  6. Hiyama N, Sasabuchi Y, Jo T, Hirata T, Osuga Y, Nakajima J, Yasunaga H. The Third Peaks in Age Distribution of Females with Pneumothorax: A Nationwide Database Study in Japan. European Journal of Cardio-Thoracic Surgery. 2018;54(3):572-578
  7. Igarashi A, Yamamoto-Mitani N, Morita K, Matsui H, Lai CKY, Yasunaga H. Classification of long-term care wards and their functional characteristics: Analysis of national hospital data in Japan. BMC Health Services Research 2018;18(1):65
  8. Ishimaru M, Matsui H, Ono S, Hagiwara Y, Morita K, Yasunagah H. Preoperative oral care and effect on postoperative complications after major cancer surgery. British Journal of Surgery 2018;105(12):1688-1696
  9. Isogai T, Matsui H, Tanaka H, Kohyama A, Fushimi K, Yasunaga H. Clinical features and peripartum outcomes in pregnant women with cardiac disease: a nationwide retrospective cohort study in Japan. Heart and Vessel 2018;33(8):918-930
  10. Itoh S, Hikichi H, Murayama H, Ishimaru M, Ogata Y, Yasunaga H. Association between advanced care management and progression of care need level in long-term care recipients: a retrospective cohort study. JMIR Aging 2018;1(2):e11117
  11. Iwagami M, Moriya H, Doi K, Yasunaga H, Isshiki R, Sato I, Mochida Y, Ishioka K, Ohtake T, Hidaka S, Noiri E, Kobayashi S. Seasonality of acute kidney injury incidence and mortality among hospitalized patients. Nephrology Dialysis Transplantation 2018;33(8):1354-1362
  12. Jo T, Yasunaga H, Michihata N, Sasabuchi Y, Hasegawa W, Takeshima H, Sakamoto Y, Matsui H, Fushimi K, Nagase T, Yamauchi Y. Influence of Parkinsonism on outcomes of elderly pneumonia patients. Parkinsonism and Related Disorders 2018;54:25-29.
  13. Kawata M, Sasabuchi Y, Taketomi S, Inui H, Matsui H, Fushimi K, Chikuda H, Yasunaga H, Tanaka S. Annual trends in arthroscopic meniscus surgery: analysis of a national database in Japan. PlosONE 2018;13(4):e0194854.
  14. Kawata M, Sasabuchi Y, Taketomi S, Inui H, Matsui H, Fushimi K, Yasunaga H, Tanaka S.  Atopic dermatitis is a novel demographic risk factor for surgical site infection after anterior cruciate ligament reconstruction. Knee Surgery, Sports Traumatology, Arthroscopy 2018 ;26(12):3699-3705.
  15. Kikuchi H, Hamanaga C, Yasunaga H, Matsui H, Hashimoto H. Privacy-preserving multiple linear regression of vertically partitioned real medical datasets. Journal of Information Processing 2018;26:638-647
  16. Kinoshita Y, Sugihara T, Yasuanga H, Matsui H, Ishikawa A, Fujimura T, Fukuhara H, Ishibashi Y, Fushimi K, Homma Y. Hospital-volume effects on perioperative outcomes in peritoneal dialysis catheter implantation: analysis of 2505 cases. Perit Dial Int 2018;38(6):419-423
  17. Kishimoton M, Yamana H, Inoue S, Noda T, Akahane M, Inagaki Y, Matsui H, Yasunaga H, Kawaguchi M, Imamura T. Suspected periprosthetic joint infection after total knee arthroplasty under propofol versus sevoflurane anesthesia: a retrospective cohort study. Canadian J Anesthesia 2018;65(8):893-900
  18. Koike S, Matsumoto M, Kawaguchi H, Ide H, Atarashi H, Kotani K, Yasunaga H. Board certification and urban-rural migration of physicians in Japan. BMC Health Services Research 2018;18:615
  19. Koizumi C, Michihata N, Matsui H, Fushimi K, Yasunaga H. In-Hospital Mortality for Hepatic Portal Venous Gas: Analysis of 1590 Patients Using a Japanese National Inpatient Database. World Journal of Surgery 2018;42(3):816-822
  20. Maeda T, Michihata N, Sasabuchi Y, Matsui H, Ohnishi Y, Miyata S, MD, Yasunaga H. Safety of tranexamic acid during pediatric trauma: a nationwide database study. Pediatric Critical Care Medicine 2018;19(12):e637-e642
  21. Mitani A, Jo T, Yasunaga H, Sakamoto Y, Hasegawa W, Urushiyama H, Yamauchi Y, Matsui H, Fushimi K, Nagase T. Venous thromboembolic events in patients with lung cancer treated with cisplatin-based versus carboplatin/nedaplatin-based chemotherapy. Anticancer Drugs. 2018;29(6):560-564..
  22. Morita K, Ono S, Ishimaru M, Matsui H, Naruse T, Yasunaga H. Factors affecting discharge to home among geriatric intermediate care facility residents in Japan. Journal of the American Geriatrics Society 2018 ;66(4):728-734.
  23. Nagata N, Yasunaga H, Matsui H, Fushimi K, Watanabe K, Akiyama J, Uemura N, Niikura R. Therapeutic endoscopy-related GI bleeding and thromboembolic events in patients using warfarin or direct oral anticoagulants: results from a large nationwide database analysis. Gut 2018;67(10):1805-1812
  24. Nakaharai K, Morita K, Jo T, Matsui H, Fushimi K, Yasunaga H. Early prophylactic antibiotics for severe acute pancreatitis: a population-based cohort study using a nationwide database in Japan. Journal of Infection and Chemotherapy 2018;24(9):753-758
  25. Nakajima M, Aso S, Matsui H, Fushimi K, Yasunaga H. Clinical Features and Outcomes of Tetanus: Analysis Using a National Inpatient Database in Japan. Journal of Critical Care 2018;44:388-391
  26. Obinata D, Sugihara T, Yasunaga H, Mochida J, Yamaguchi K, Murata Y, Yoshizawa T, Matsui T, Matsui H, Sasabuchi Y, Fujimura T, Homma Y, Takahashi S. Tension-free vaginal mesh surgery versus laparoscopic sacrocolpopexy for pelvic organ prolapse: Analysis of perioperative outcomes using a Japanese national inpatient database. Int J Urol 2018;25(7):655-659.
  27. Ohbe H, Jo T, Matsui H, Fushimi K, Yasunaga H. Cholinergic crisis caused by cholinesterase inhibitors: a retrospective nationwide database study. Journal of Medical Toxicology 2018;14(3):237-241
  28. Ohbe H, Jo T, Yamana H, Matsui H, Fushimi K, Yasunaga H. Early enteral nutrition for cardiogenic or obstructive shock requiring venoarterial extracorporeal membrane oxygenation: a nationwide inpatient database study. Intensive Care Medicine 2018;44:1258-1265
  29. Oichi T, Oshima Y, Chikuda H, Ohya J, Matsui H, Fushimi K, Tanaka S, Yasunaga H. In-hospital complication rate following microendoscopic versus open lumbar laminectomy: a propensity score matched analysis. Spine J 2018;18(10):1815-1821
  30. Okinaga H, Yasunaga H, Hasegawa K, Fushimi K, Kokudo N. Short-Term Outcomes following Hepatectomy in Elderly Patients with Hepatocellular Carcinoma: An Analysis of 10,805 Septuagenarians and 2,381 Octo- and Nonagenarians in Japan. Liver Cancer Liver Cancer 2018;7:55–64
  31. Okubo Y, Morisaki N, Michihata N, Matsui H, Fushimi K, Yasunaga H. Dose–response relationship between weight status and clinical outcomes among infants hospitalized with respiratory syncytial infections. Pediatric Pulmonology 2018;53(4):461-466
  32. Okubo Y, Michihata N, Uda K, Miyairi I, Morisaki N, Ogawa Y, Matsui K, Fushimi K, Yasunaga H. Recent trends in practice patterns and effect of corticosteroid in pediatric Mycoplasma pneumoniae-related respiratory infections. Respiratory Investigation  2018;56(2):158-165
  33. Okubo Y, Michihata N, Uda K, Morisaki N, Miyairi I, Matsui H, Fushimi K, Yasunaga H. Dose–response relationship between weight status and clinical outcomes in pediatric influenza-related respiratory infections. Pediatric Pulmonology 2018; 53(2):218-223
  34. Okubo Y, Michihata N, Morisaki N, Hangai M, Matsui H, Fushimi K, Yasunaga H. Recent trends in practice patterns and comparisons between immunoglobulin and corticosteroid in pediatric immune thrombocytopenia. Int J Hematol 2018;107(1):75-82
  35. Okubo Y, Michihata N, Morisaki N, Sundel RP, Matsui H, Fushimi K, Yasunaga H. Association between dose of glucocorticoids and coronary artery lesions in Kawasaki disease. Arthritis Care & Research 2018;70(7):1052-1057.
  36. Ono S, Ono Y, Michihata N, Sasabuchi Y, Yasunaga H. Effect of Pokémon GO on Incidence of Fatal Traffic Injuries: A Population-Based Quasi-Experimental Study Using the National Traffic Accidents Database in Japan. Injury Prevention 2018;24(6):448-450
  37. Sakamoto H, Rahman MM, Nomura S, Okamoto E, Koike S, Yasunaga H, Kawakami N, Hashimoto H, Kondo N, Abe SK, Palmer M, Ghaznavi C, Shibuya K, Gilmour S, Tatara K. Japan Health System Review. Vol. 8 No. 1. New Delhi: World Health Organization, Regional Office for South-East Asia, 2018.
  38. Sasabuchi Y, Matsui H, Lefor AK, Jo T, Michihata N, Fushimi K, Yasunaga H. Japanese herbal kampo Hochuekkito or Juzentaihoto after surgery for hip fracture does not reduce infectious complications. eCAM 2018, Article ID 8620198, 6 pages
  39. Sasabuchi Y, Matsui H, Kotani K, Lefor AK, Yasunaga H. Effect of the 2016 Kumamoto earthquakes on preventable hospital admissions: A retrospective cohort study in Japan. BMJ Open 2018;8:e021294.
  40. Sasabuchi Y, Matsui H, Lefor AK, Fushimi K, Yasunaga H. Timing of surgery for hip fractures in the elderly: A retrospective cohort study. Injury 2018;49(10):1848-1854.
  41. Sawada Y, Sasabuchi Y, Nakahara Y, Matsui H, Fushimi K, Haga N, Yasunaga H. Early Rehabilitation and In-Hospital Mortality in Community-Acquired Pneumonia Patients Admitted to an Intensive Care Unit: Propensity-Matched Analysis. American Journal of Critical Care 2018;27(2):97-103
  42. Shinkawa H, Yasunaga H, Hasegawa K, Matsui H, Fushimi K, Michihata N, Kokudo N. Mortality and morbidity after hepatic resection in patients undergoing hemodialysis: analysis of a national inpatient database in Japan. Surgery 2018;163(6):1234-1237
  43. Sugihara T, Yasunaga H, Matsui H, Ishikawa A, Fujimura T, Fukuhara H, Fushimi K, Homma Y, Kume H. A skill degradation in laparoscopic surgery after a long absence: assessment based on nephrectomy case. Mini-invasive surgery 2018;2:11
  44. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Ando M, Yamasoba T. Postoperative mechanical bowel obstruction after pharyngolaryngectomy for hypopharyngeal cancer: a retrospective analysis using a Japanese inpatient database. Head & Neck 2018;40(7):1548-1554
  45. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Yamasoba T. Trends in otolaryngological surgeries in an era of super-aging: descriptive statistics using a Japanese inpatient database. Auris Nasus Larynx 2018;45(6):1239-1244
  46. Tadokoro F, Morita K, Michihata N, Fushimi K, Yasunaga H. Association between sugammadex and anaphylaxis in pediatric patients: a nested case–control study using a national inpatient database. Pediatric Anesthesia 2018;28(7):654-659
  47. Taniguchi Y, Oichi T, Ohya J, Chikuda H, Oshima Y, Matsubayashi Y, Matsui H, Fushimi K, Tanaka S, Yasunaga H. In-hospital mortality and morbidity of pediatric scoliosis surgery in Japan: analysis using a national inpatient database. Medicine 2018;97(14):e0277.
  48. Tsuchiya A, Yasunaga H, Tsutsumi Y, Matsui H, Fushimi K. Mortality and Morbidity after Hartmann’s Procedure vs. Primary Anastomosis without a Diverting Stoma for Colorectal Perforation: A Nationwide Observational Study. World Journal of Surgery 2018;42(3):866-875
  49. Tsuchiya A, Yamana H, Kawahara T, Tsutsumi Y, Matsui H, Fushimi K, Yasunaga H. Tracheostomy and Mortality in Patients with Severe Burns: A Nationwide Observational Study. Burns 2018 ;44(8):1954-1961.
  50. Uda K, Okubo Y, Shoji K, Miyairi I, Morisaki N, Michihata N, Matsui M, Fushimi K, Yasunaga H, Trends of neuraminidase inhibitors use in children with influenza related respiratory infections. Pediatric Pulmonology 2018;53(6):802-808
  51. Urushiyama H, Jo T, Yasunaga H, Michihata N, Matsui H, Hasegawa W, Takeshima H, Sakamoto Y, Hiraishi Y, Mitani A, Fushimi K, Nagase T, Yamauchi Y. Oral fluorouracil versus vinorelbine plus cisplatin as adjuvant chemotherapy for stage II–IIIA non-small cell lung cancer: propensity score-matched and instrumental variable analyses. Cancer Medicine 2018;7(10): 4863-4869
  52. Urushiyama H, Jo T, Yasunaga H, Michihata N, Yamana H, Matsui H, Hasegawa W, Hiraishi Y, Mitani A, Fushimi K, Nagase T, Yamauchi Y. Effect of Hangeshashin-To (Japanese Herbal Medicine Tj-14) on Tolerability of Irinotecan: Propensity Score and Instrumental Variable Analyses. Journal of Clinical Medicine 2018;7:246.
  53. Wada T, Yasunaga H, Doi K, Matsui H, Fushimi K, Kitsuta Y, Nakajima S. Impact of Hospital Volume on Mortality in Patients with Severe Torso Injury. Journal of Surgical Rresearch 2018;222:1-9.
  54. Wada T, Yasunaga H, Yamana H, Matsui H, Matsubara T, Fushimi K, Nakajima S. Development and validation of an ICD-10-Based Disability Predictive Index for Patients Admitted to Hospitals with Trauma. Injury 2018;49(3):556-563
  55. Yagi M, Yasunaga H, Matsui H, Fushimi K, Fujimoto M, Koyama T, Fujitani J. Association between Early Rehabilitation and Mobility Status in Elderly inpatients with Heart Failure: A Nationwide Retrospective Cohort Study. Progress in Rehabilitation Medicine 2018;3:20180017
  56. Yamana H, Kodan M, Ono S, Morita K, Matsui H, Fushimi K, Imamura T, Yasunaga H. Hospital quality reporting and improvement in quality of care for patients with acute myocardial infarction. BMC Health Services Research 2018;18:523

[2017]

  1. Aso S, Matsui H, Fushimi K, Yasunaga H. Resuscitative endovascular balloon occlusion of the aorta or resuscitative thoracotomy with aortic clamping for non-compressible torso hemorrhage: a retrospective nationwide study. Journal of Trauma and Acute Care Surgery 2017;82(5) :910–914
  2. Hasegawa W, Yamauchi Y, Yasunaga H, Takeshima H, Sakamoto Y, Jo T, Sasabuchi Y, Matsui H, Fushimi K, Nagase T. Prognostic nomogram for inpatients with asthma exacerbation. BMC Pulmonary Medicine 2017;17:108
  3. Ishimaru M, Ono S, Suzuki S, Matsui H, Fushimi K, Yasunaga H. Artificial nutrition dependence after cetuximab vs. cisplatin combined with radiotherapy for advanced head and neck cancer: A propensity score matched analysis. Head & Neck 2017;39(2):320-325
  4. Isogai T, Matsui H, Tanaka H, Fushimi K, Yasunaga H. Factors affecting in-hospital mortality and likelihood of undergoing surgical resection in patients with primary cardiac tumors. Journal of Cardiology 2017;69(1):287-292.
  5. Isogai T, Matsui H, Tanaka H, Fushimi K, Yasunaga H. Treatments and in-hospital mortality in acute myocardial infarction patients with rheumatoid arthritis: a nationwide retrospective cohort study in Japan. Clinical Rheumatology 2017;36(5):995-1004
  6. Isogai T, Matsui H, Tanaka H, Fushimi K, Yasunaga H. In-hospital management and outcomes in patients with peripartum cardiomyopathy: a descriptive study using a national inpatient database in Japan. Heart and Vessels 2017;32(8):944-951
  7. Isogai T, Matsui H, Tanaka H, Fushimi K, Yasunaga H. Seasonal variation in patient characteristics and in-hospital outcomes of Takotsubo syndrome: a nationwide retrospective cohort study in Japan. Heart and Vessels 2017;32:1271–1276
  8. Isogai T, Matsui H, Tanaka H, Fushimi K, Yasunaga H. Clinical characteristics of patients with Takotsubo syndrome diagnosed without coronary artery evaluation: A retrospective nationwide study. Journal of Cardiology 2017 ;71(3):268-276.
  9. Iwagami M, Yasunaga H, Matsui H, Horiguchi H, Fushimi K, Noiri E, Nangaku M, Doi K. Impact of end-stage renal disease on hospital outcomes among patients admitted to intensive care units: A retrospective matched-pair cohort study. Nephrology 2017;22(8):617-623.
  10. Jo T, Yasunaga H, Sasabuchi Y, Michihata N, Morita K, Yamauchi Y, Hasegawa W, Takeshima H, Sakamoto Y, Matsui H, Fushimi K, Nagase T. Association between dementia and discharge status in patients hospitalized with pneumonia. BMC Pulmonary Medicine 2017;17(1):128
  11. Kawata M, Sasabuchi Y, Inui H, Taketomi S, Matsui H, Fushimi K, Chikuda H, Yasunaga H, Tanaka T. Annual trends in knee arthroplasty and tibial osteotomy: Analysis of a national database in Japan. Knee 2017;24(5):1198-1205
  12. Kikuchi H, Hamanaga C, Yasunaga H, Matsui H, Hashimoto H. Privacy-preserving multiple linear regression of vertically partitioned real medical datasets. Advanced Information Networking and Applications (AINA), 2017 IEEE 31st International Conference
  13. Kishimoto M,Yamana H, Inoue H, Noda T,Myojin T, Matsui H, Yasunaga H, Kawaguchi M, Imamura T. Sivelestat sodium and mortality in pneumonia patients requiring mechanical ventilation: propensity score analysis of a Japanese nationwide database. Journal of Anesthesia 2017;31(3):405-412
  14. Koike S, Matsumoto M, Ide H, Kawaguchi H, Shimpo M, Yasunaga H. Internal medicine board certification and career pathways in Japan. BMC Med Educ. 2017;17(1):83.
  15. Maeda T, Sasabuchi Y, Matsui H, Ohnishi Y, Miyata S, Yasunaga H. Safety of tranexamic use during pediatric cardiac surgery: a nationwide database study. Journal of Cardiothoracic and Vascular Anesthesia 2017;31(2):549-553
  16. Matsui H, Jo T, Fushimi K, Yasunaga H. Outcomes after early and delayed rehabilitation for exacerbation of chronic obstructive pulmonary disease: a nationwide retrospective cohort study in Japan. Respiratory Research 2017;21;18(1):68.
  17. Morita K, Matsui H, Fushimi K, Yasunaga H. Association between nurse staffing and in-hospital bone fractures: A retrospective cohort study. Health Services Research 2017;52(3):1005-1023
  18. Morita K, Matsui H, Fushimi K, Yasunaga H. Association between advanced practice nursing and 30-day mortality in mechanically ventilated critically ill patients: a retrospective cohort study. Journal of Critical Care 2017;41:209-215
  19. Nagano M, Ichinose J, Sasabuchi Y, Nakajima J, Yasunaga H. Surgery versus percutaneous transcatheter embolization for pulmonary arteriovenous malformation: Analysis of a national inpatient database in Japan. J Thorac Cardiovasc Surg. 2017;154(3):1137-43.
  20. Odagiri H, Yasunaga H, Matsui H, Matsui S, Fushimi K, Kaise M. Hospital volume and adverse events following esophageal endoscopic submucosal dissection: analysis of a national inpatient database in Japan. Endoscopy 2017;49(4):321-326
  21. Odagiri H, Yasunaga H. Complications following endoscopic submucosal dissection for gastric, esophageal, and colorectal cancer: a review of studies based on nationwide large-scale databases. Ann Transl Med. 2017;5(8):189.
  22. Ohya J, Oshima Y, Chikuda H, Oichi T, Matsui H, Fushimi K, Tanaka S, Yasunaga H. Seasonal Variations in the Risk of Reoperation for Surgical Site Infection Following Elective Spinal Fusion Surgery: A Retrospective Study Using the Japanese Diagnosis Procedure Combination Database. Spine 2017;42(14):1068-1079
  23. Oichi T, Chikuda H, PhD, Ohya J, Ohtomo R, Morita K, Matsui H, Fushimi K, Tanaka S, Yasunaga H. Mortality and morbidity after spinal surgery in patients with Parkinson’s disease: a retrospective matched-pair cohort study. Spine Journal 2017;17(4):531-537
  24. Okubo Y, Michihata N, Yoshida K, Morisaki N, Matsui H, Fushimi K, Yasunaga H. Impact of pediatric obesity on acute asthma exacerbation in Japan. Pediatr Allergy Immunol. 2017;28(8):763-767.
  25. Okubo Y, Michihata N, Morisaki N, Kinoshita N, Miyairi I, Urayama KY, Yasunaga H. Recent patterns in antibiotic use for children with group A streptococcal infections. Journal of Global Antimicrobial Resistance 2017;13;13:55-59.
  26. Ono S, Ono Y, Matsui H, Yasunaga H. Impact of clinic follow-up visits on body weight control in people with prediabetes or diabetes mellitus: Japanese nonelderly cohort study. Family Practice 2017;34(5):552-557
  27. Ono S, Ono Y, Matsui H, Yasunaga H. Enhanced Oral Care and Health Outcomes among Nursing Facility Residents: Analysis Using the National Long-term Care Database in Japan. Journal of the American Medical Directors Association 2017;18(3):277.e1-277.e5
  28. Ono Y, Ono S, Yasunaga H, Matsui H, Fushimi K, Tanaka Y. Clinical characteristics and outcomes of myxedema coma: analysis of a national inpatient database in Japan. J Epidemiol 2017;27:117-122
  29. Ono Y, Ono S, Yasunaga H, Matsui H, Fushimi K, Tanaka Y. Clinical Features and Practice Patterns of Treatment for Adrenal Crisis: A Nationwide Cross-Sectional Study in Japan. European Journal of Endocrinology 2017:176, 329–337
  30. Sakamoto Y,Yamauchi Y,Yasunaga H,Takeshima H, Hasegawa W,Jo T,Matsui H,Fushimi K, Nagase T. Guidelines-concordant empiric antimicrobial therapy and mortality in patients with severe community-acquired pneumonia requiring mechanical ventilation. Respiratory Investigation 2017;55(1):39-44
  31. Sakamoto Y,Yamauchi Y,Yasunaga H,Takeshima H, Hasegawa W,Jo T,Matsui H,Fushimi K, Nagase T. Development of a nomogram for predicting in-hospital mortality of patients with exacerbation of chronic obstructive pulmonary disease. International Journal of Chronic Obstructive Pulmonary Disease 2017;12:1605-1611.
  32. Sako A, Yasunaga H, Matsui M, Fushimi K, Hamasaki H, Katsuyama H, Tsujimoto T, Goto A, Yanai H. Hospitalization with hypoglycemia in patients without diabetes mellitus: a retrospective study using a national inpatient database in Japan, 2008-2012. Medicine 2017;96(25):e7271
  33. Sasabuchi Y, Matsui H, Yasunaga H, Fushimi K. Increase in Avoidable Hospital Admissions after the Great East Japan Earthquake. Journal of Epidemiology & Community Health 2017;71(3):248-252.
  34. Sasabuchi Y, Matsui H, Yasunaga H, Fushimi K. Epidural analgesia is infrequently used in patients with acute pancreatitis: a descriptive study. Acta Gastro-enterologica Belgica 2017;80(3)
  35. Sato M, Tateishi R, Yasunaga H, Matsui H, Fushimi K, Ikeda H, Yatomi Y, Koike K. Association between hospital volume and in-hospital mortality following radiofrequency ablation for hepatocellular carcinoma: A national survey of 36,675 patients. BJS Open 2017;1:50–54
  36. Sato M, Tateishi R, Yasunaga H, Horiguchi H, Matsui H, Yoshida H, Fushimi K, Koike K. The ADOPT-LC Score: A Novel Predictive Index of In-hospital Mortality of Cirrhotic Patients Following Surgical Procedures. Hepatology Research 2017;47(3):E35-E43.
  37. Sato M, Tateishi R, Yasunaga H, Matsui H, Horiguchi H, Fushimi K, Koike K. Mortality and hemorrhagic complications associated with radiofrequency ablation for treatment of hepatocellular carcinoma in patients on hemodialysis for end-stage renal disease: A nationwide survey. J Gastroenterol Hepatol. 2017;32(11):1873-1878.
  38. Shakya S, Matsui H, Fushimi K, Yasunaga H. In-hospital complications after implantation of cardiac implantable electronic devices: analysis of a national inpatient database in Japan. Journal of Cardiology 2017;70(5):405-410.
  39. Sugihara T, Yasunaga H, Matsui H, Nagao G, Ishikawa A, Fujimura T, Fukuhara H, Fushimi K, Ohori M, Homma Y. Accessibility to surgical robot technology and prostate-cancer patient behavior for prostatectomy. Jpn J Clin Oncol. 2017;47(7):647-651
  40. Tagami T, Matsui H, Moroe Y, Fukuda R, Shibata A, Tanaka C, Unemoto K, Fushimi K, Yasunaga H. Antithrombin use and 28-day in-hospital mortality among severe burns patients: an observational nationwide study. Annals of Intensive Care 2017;7(1):18.
  41. Tagami T, Yasunaga H, Yokota H. Antiarrhythmic drugs for out-of-hospital cardiac arrest with refractory ventricular fibrillation. Critical Care 2017;21:59.
  42. Takeuchi T, Yasunaga H, Matsui H, Fushimi K. Pediatric urolithiasis associated with acute gastroenteritis: an inpatient database study in Japan. European Journal of Pediatrics 2017;176(4):501-507
  43. Tomio J, Yamana H, Matsui H, Yamashita H, Yoshiyama T, Yasunaga H. Tuberculosis screening prior to anti-tumor necrosis factor therapy among patients with immune-mediated inflammatory diseases in Japan: a study using a large-scale health insurance claims database. International Journal of Rheumatic Diseases 2017 Nov;20(11):1674-1683
  44. Urushiyama H, Jo T, Yasunaga H, Yamauchi Y, Matsui H, Hasegawa W, Takeshima H, Hiraishi Y, Mitani A, Fushimi K, Nagase T. Adjuvant chemotherapy versus chemoradiotherapy for small cell lung cancer with lymph node metastasis: a retrospective observational study with use of a national database in Japan. BMC Cancer 2017;17(1):613
  45. Wada T, Yasunaga H, MD, Yamana H, Matsui H, Matsubara T, Fushimi K, Nakajima S. Relationship between Hospital Volume and Outcomes in Patients with Traumatic Brain Injury: A Retrospective Observational Study using a National Inpatient Database in Japan. Injury 2017;48(7):1423-1431
  46. Wada T, Yasunaga H, MD, Yamana H, Matsui H, Matsubara T, Fushimi K, Nakajima S. Development and validation of a new ICD-10–based trauma mortality prediction scoring system using a Japanese national inpatient database. Injury Prevention 2017;23(4):263-267.
  47. Yagi M, Yasunaga H, Matsui H, Fushimi K, Fujimoto M, Koyama T, Fujitani J. Impact of Rehabilitation on Outcomes in Patients with Ischemic Stroke: A Nationwide Retrospective Cohort Study in Japan. Stroke 2017;48(3):740-746
  48. Yamana H, Moriwaki M, Horiguchi H, Kodan M, Fushimi K, Yasunaga H. Validity of diagnoses, procedures, and laboratory data in Japanese administrative data. J Epidemiology 2017;27(10):476-482

[2016]

  1. Akiyama T, Saita K, Chikuda H, Horiguchi H, Fushimi K, Yasunaga H. Mortality and Morbidity following Surgery for Primary Malignant Musculoskeletal Tumors in the Pelvis and Limbs: A Retrospective Analysis Using the Japanese Diagnosis Procedure Combination Database. Journal of Cancer Therapy 2016;7:303-310
  2. Akiyama T, Saita K, Chikuda H, Horiguchi H, Fushimi K, Yasunaga H. Risk factors associated with in-hospital postchemotherapy mortality in patients with malignant musculoskeletal tumors. Journal of Cancer Therapy 2016;7:363-369
  3. Aso S, Matsui H, Fushimi K, Yasunaga H. The effect of intra-aortic balloon pumping under venoarterial extracorporeal membrane oxygenation on mortality of cardiogenic patients: an analysis using a nationwide inpatient database. Crit Care Med 2016;44(11):1974-1979.
  4. Aso S, Matsui H, Fushimi K, Yasunaga H. In-hospital mortality and successful weaning from venoarterial extracorporeal membrane oxygenation: analysis of 5,263 patients using a national inpatient database in Japan. Crit Care 2016;20(1):80
  5. Hamada T, Yasunaga H, Nakai Y, Isayama H, Matsui H, Fushimi K, Koike K. Interstitial lung disease associated with gemcitabine: A Japanese retrospective cohort study. Respirology 2016;21(2):338-43.
  6. Hamada T, Yasunaga H, Nakai Y, Isayama H, Matsui H, Fushimi K, Koike K. No Weekend Effect on Outcomes of Severe Acute Pancreatitis in Japan: Data from the Diagnosis Procedure Combination Database. J Gastroenterol 2016;51(11):1063-1072.
  7. Hamada T, Nakai Y, Isayama H, Yasunaga H, Matsui H, Takahara N, Mizuno S, Kogure H, Matsubara S, Yamamoto N, Tada M, Koike K. Progression-Free Survival as a Surrogate for Overall Survival in First-Line Chemotherapy for Advanced Pancreatic Cancer. European Journal of Cancer 2016;65:11-20.
  8. Hirashima J, Yamana H, Matsui H, Fushimi K, Yasunaga H. Effect of Intravenous Magnesium Sulfate on Mortality in Patients with Severe Acute Asthma. Respirology 2016;21(4):668-73
  9. Ishikawa H, Yasunaga H, Matsui H, Fushimi K, Kawakami N. Differences in cancer stage, treatment and in-hospital mortality between patients with and without schizophrenia: retrospective matched-pair cohort study. British Journal of Psychiatry 2016;208(3):239-44.
  10. Ishimaru M, Ono S, Suzuki S, Matsui H, Fushimi K, Yasunaga H. Risk factors for free flap failure in 2846 head and neck cancer patients: a national database study in Japan. Journal of Oral and Maxillofacial Surgery 2016;74(6):1265-70
  11. Ishimaru M, Ono S, Yasunaga H, Matsui H, Koike S. Projected future distribution of dentists in Japan. Journal of Public Health Dentistry 2016;76(3):241-8.
  12. Isogai T, Yasunaga H, Matsui H, Tanaka H, Fushimi K. Relationship between hospital volume and major cardiac complications of rotational atherectomy: A nationwide retrospective cohort study in Japan. Journal of Cardiology 2016;67(5):442-8
  13. Isogai T, Yasunaga H Matsui H, Tanaka H, Hisagi M, Fushimi K. Early β-blocker use and in-hospital mortality in patients with Takotsubo cardiomyopathy. Heart 2016;102(13):1029-35
  14. Isogai T, Matsui H,Tanaka H, Fushimi K, Yasunaga H. Atrial natriuretic peptide therapy and in-hospital mortality in acute myocardial infarction patients undergoing percutaneous coronary intervention. Int J Cardiol 2016;222:163-70.
  15. Iwagami M, Yasunaga H, Noiri E, Horiguchi H, Fushimi K, Matsubara T, Yahagi N, Nangaku M, Doi K. Potential survival benefit of polymyxin B hemoperfusion in septic shock patients on continuous renal replacement therapy: a propensity matched analysis. Blood Purification 2016;42(1):9-17
  16. Japan Global Health Working Group. Protecting human security: proposals for the G7 Ise-Shima Summit in Japan. Lancet 2016;387:2155-62
  17. Kato S, Chikuda H, Ohya J, Oichi T, Matsui H, Fushimi K, Takeshita K, Tanaka S, Yasunaga H. Risk of infectious complications associated with blood transfusion in elective spinal surgery – A propensity score matched analysis. Spine J 2016 ;16(1):55-60
  18. Koike S, Shimizu A, Matsumoto M, Ide H, Atarashi H, Yasunaga H. Career pathways of board-certified surgeons in Japan. Surgery Today 2016 ;46(6):661-7.
  19. Koike S, Matsumoto M, Ide H, Kashima S, Atarashi H, Yasunaga H. The effect of concentrating obstetrics services in fewer hospitals on patient access: a simulation. International Journal of Health Geographics 2016;15(1):4
  20. Matsumoto T, Yasunaga H, Matsui H, Fushimi K, Izawa N, Yasui T, Kadono Y, Tanaka S. Trends and Risk Factors for Perioperative Complications in Total Ankle Arthroplasty: Retrospective Analysis using a National Database in Japan. BMC Musculoskeletal Disorders 2016;17(1):450.
  21. Michihata N, Matsui H, Fushimi K, Yasunaga H. Hospital volume and mortality due to preterm patent ductus arteriosus. Pediatrics International 2016;58(11):1171-1175.
  22. Momosaki R, Yasunaga H, Matsui H, Abo M. Predictive factors for oral intake after aspiration pneumonia in older adults. Geriatrics & Gerontology International 2016;16(5):556-60
  23. Momosaki R, Yasunaga H, Matsui H, Fushimi K, Abo M. Proton Pump Inhibitors versus Histamine-2 Receptor Antagonists and Risk of Pneumonia in Patients with Acute Stroke. Journal of Stroke and Cerebrovascular Diseases 2016;25(5):1035-40
  24. Momosaki R, Yasunaga H, Kakuda W, Matsui H, Fushimi K, Abo M. Very early versus delayed rehabilitation for acute ischemic stroke patients with intravenous recombinant tissue plasminogen activator: A nationwide retrospective cohort study in Japan. Cerebrovascular Diseases 2016;42(1-2):41-8
  25. Naganuma M, Matsui H, Fushimi K, Yasunaga H. Clinical Features of Isolated Dissections of Abdominal Aortic Branches. Heart and Vessels 2016;31(6):1006-9
  26. Nakahara Y, Yasunaga H, Inokuchi H, Ogata N, Horiguchi H, Matsuda S, Fushimi K, Haga N. Mortality-reducing effect of rehabilitation for COPD: observational propensity-matched cohort study using a Nationwide Database. Respiratory Care 2016;61(11):1497-1504.
  27. Niikura R, Yasunaga H, Yamada A, Matsui H, Fushimi K, Hirata Y, Koike K. Factors associated with adverse events of therapeutic colonoscopy for colorectal neoplasia: a retrospective nationwide study in Japan. Gastrointestinal Endoscopy 2016;84(6):971-982
  28. Odagiri H, Iizuka T, Kikuchi D, Kaise M, Takeda H, Ohashi K, Yasunaga H. Gastrointestinal Endoscopy-Assisted Minimally Invasive Surgery for Superficial Cancer of the Uvula. Clinical Endoscopy 2016;49(3):289-93
  29. Ohya J, Oshima Y, Chikuda H, Oichi T, Matsui H, Fushimi K, Tanaka S, Yasunaga H. Does microendoscopic technique reduce mortality and major complications in patients undergoing lumbar discectomy? A propensity score-matched analysis using a nationwide administrative database. Neurosurgical Focus 2016;40(2):E5.
  30. Ono S, Ishimaru M, Matsui H, Fushimi K, Yasunaga H. Impact of body mass index on the outcomes of open reduction for mandibular fracture. Journal of Oral and Maxillofacial Surgery 2016;74(5):1024.e1-5.
  31. Ono S, Ono Y, Matsui H, Yasunaga H. Factors associated with hospitalization for seasonal influenza in a Japanese nonelderly cohort. BMC Public Health 2016;16:922.
  32. Ono Y, Ono S, Yasunaga H, Matsui H, Fushimi K, Tanaka Y. Factors associated with mortality of thyroid storm: analysis using a national inpatient database in Japan. Medicine 2016;95(7):e2848
  33. Sasabuchi Y, Yasunaga H, Matsui H, Lefor AK, Fushimi K. Prolonged propofol infusion for mechanically ventilated children. Anaesthesia 2016;71(4):424-8.
  34. Sasabuchi Y, Kimura N, Shiotsuka J, Komuro T, Mouri H, Ohnuma T, Asaka K, Lefor AT, Yasunaga H, Yamaguchi A, Adachi H, Sanui M.Long-term Survival in Patients with Acute Kidney Injury After Surgery for Acute Type A Aortic Dissection. Annals of Thoracic Surgery 2016;102(6):2003-2009.
  35. Sasabuchi Y, Matsui H, Lefor AK, Fushimi K, Yasunaga H. Risks and benefits of stress ulcer prophylaxis for patients with severe sepsis. Crit Care Med 2016;44(7):e464-9.
  36. Sasaki R, Yasunaga H, Matsui H, Michihata N, Fushimi K. Hospital Volume and Mortality in Mechanically Ventilated Children: Analysis of a National Inpatient Database in Japan. Pediatric Critical Care Medicine 2016;17(11):1041-1044.
  37. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Yamasoba T. Pharyngocutaneous fistula and delay in free oral feeding after pharyngolaryngectomy for hypopharyngeal cancer. Head & Neck 2016;38 Suppl 1:E625-30
  38. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Yamasoba T. Factors associated with prolonged duration of post-tympanoplasty local treatment in adult chronic otitis media patients: a retrospective observational study using a Japanese inpatient database. Auris Nasus Larynx 2016;43(4):377-81
  39. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Yamasoba T. Factors associated with neck hematoma after thyroidectomy: a retrospective analysis using a Japanese inpatient database. Medicine 2016 ;95(7):e2812.
  40. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Saito Y, Yamasoba T. Cerebral infarction after intraarterial and intravenous chemoradiotherapy for head and neck cancer: a retrospective analysis using a Japanese inpatient database. Head & Neck 2016;38(9):1354-8.
  41. Tagami T, Matsui H, Fushimi K, Yasunaga H. Prophylactic antibiotics may improve outcome in patients with severe burns requiring mechanical ventilation: propensity score analysis of a Japanese nationwide database. Clinical Infectious Diseases 2016;62(1):60-6.
  42. Tagami T, Matsui H, Fushimi K, Yasunaga H. Changes in therapeutic hypothermia and coronary intervention provision and in-hospital mortality of patients with out-of-hospital cardiac arrest: A nationwide-database study. Crital Care Medicine 2016;44(3):488-95
  43. Tagami T, Matsui H, Tanaka C, Kaneko J, Kuno M, Ishinokami S, Unemoto K, FushimiK, Yasunaga H. Amiodarone Compared with Lidocaine for Out-of-hospital Cardiac Arrest with Refractory Ventricular Fibrillation on Hospital Arrival: A Nationwide Database Study. Cardiovascular Drugs and Therapy 2016;30(5):485-491.
  44. Tagami T, Matsui H, Kuno M, Moroe Y, Kaneko J, Unemoto K, Fushimi K, Yasunaga H. Early antibiotics administration during targeted temperature management after out-of-hospital cardiac arrest: a nationwide database study. BMC Anesthesiology 2016;16(1):89.
  45. Tagami T, Matsui H, Ishinokami S, Oyanagi M, Kitahashi A, Fukuda R, Unemoto K, Fushimi K, Yasunaga H. Amiodarone or nifekalant upon hospital arrival for refractory ventricular fibrillation after out-of-hospital cardiac arrest. Resuscitation 2016;109:127-132.
  46. Tsuchiya A, Tsutsumi Y, Yasunaga H. Outcomes after Helicopter versus Ground Emergency Medical Services for Major Trauma–Propensity Score and Instrumental Variable Analyses: A retrospective nationwide cohort study. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2016;24(1):140.
  47. Tsuda Y, Yasunaga H, Horiguchi H, Fushimi K, Kawano H, Tanaka S. Complications and postoperative mortality rate after surgery for pathological femur fracture related to bone metastasis: Analysis of a nationwide database. Annals of Surgical Oncology 2016;23(3):801-10
  48. Wada T, Yasunaga H, Horiguchi H, Matsubara T, Fushimi K, Nakajima S, Yahagi N. Outcomes of Argatroban Treatment in Patients with Atherothrombotic Stroke: an Observational Nationwide Study in Japan. Stroke 2016 ;47(2):471-6.
  49. Wada T, Yasunaga H, Horiguchi H, Fushimi K, Matsubara T, Nakajima S, Yahagi N. Ozagrel for patients with noncardioembolic ischemic stroke: a propensity-score-matched analysis. Journal of Stroke and Cerebrovascular Diseases 2016;25(12):2828-2837
  50. Yagi M, Yasunaga H, Matsui H, Fushimi K, Fujimoto M, Koyama T, Fujitani J. Effect of Early Rehabilitation on Activities of Daily Living in Patients with Aspiration Pneumonia. Geriatrics & Gerontology International 2016;16(11):1181-1187.
  51. Yamada K, Yasunaga H, Kadono Y, Chikuda H, MD, Ogata T, Horiguchi H, Tanaka S. Postoperative outcomes of major lower extremity amputations in patients with diabetes and peripheral artery disease: Analysis using the Diagnosis Procedure Combination database in Japan. American Journal of Surgery 2016;212(3):446-50.
  52. Yamaji Y, Yasunaga H, Hirata Y, Yamada A, Yoshida S, Horiguchi H, Fushimi K, Koike K. Association Between Colorectal Cancer and Atherosclerotic Diseases: a Study Using a National Inpatient Database in Japan. Digestive Diseases and Sciences 2016;61(6):1677-85.
  53. Yamana H, Horiguchi H, Fushimi K, Yasunaga H. Comparison of procedure-based and diagnosis-based identifications of severe sepsis and disseminated intravascular coagulation in administrative data. J Epidemiol 2016;26(10):530-537.
  54. Yamana H, Matsui H, Tagami T, Hirashima J, Fushimi K, Yasunaga H. De-escalation versus continuation of empirical antimicrobial treatment in community-acquired pneumonia. J Infection 2016 ;73(4):314-25
  55. Yamauchi Y, Yasunaga H, Hasegawa W, Sakamoto Y, Takeshima H, Jo T, Matsui H, Fushimi K, Nagase T. Effect of outpatient therapy with inhaled corticosteroids on decreasing in-hospital mortality from pneumonia in patients with COPD. International Journal of Chronic Obstructive Pulmonary Disease 2016;11:1403-11.
  56. Yamauchi Y, Yasunaga H, Sakamoto Y, Hasegawa W, Takeshima H, Urushiyama H, Jo T, Matsui H, Fushimi K, Nagase T. Mortality associated with bone fractures in COPD patients. International Journal of Chronic Obstructive Pulmonary Disease 2016;11:2335-2340.

[2015]

  1. Hamada T, Yasunaga H, Nakai Y, Isayama H, Horiguchi H, Fushimi K, Koike K. Severe Bleeding after Percutaneous Transhepatic Drainage of the Biliary System: Effect of Antithrombotic Agents-Analysis of 34 606 Cases from a Japanese Nationwide Administrative Database. Radiology 2015;274(2):605-13
  2. Hamada T, Yasunaga H, Nakai Y, Isayama H, Matsui H, Horiguchi H, Fushimi K, Koike K. Bleeding After Endoscopic Sphincterotomy and Papillary Balloon Dilation Among Users of Antithrombotic Agents. Endoscopy 2015;47(11):997-1004
  3. Hasegawa W, Yamauchi Y, Yasunaga H, Sunohara M, Jo T, Matsui H, Fushimi K, Takami K, Nagase T. Clinical Features of 280 Hospitalized Patients with Lymphangioleiomyomatosis in Respirology 2015;20(1):160-5
  4. Hasegawa W, Yamauchi Y, Yasunaga H, Sunohara M, Jo T, Matsui H, Fushimi K, Takami K, Nagase T. Factors that predict in-hospital mortality in eosinophilic granulomatosis with polyangiitis. Allergy 2015;70(5):585-90.
  5. Ishitsuka K, Matsui H, Michihata N, Fushimi K, Nakamura T, Yasunaga H. Medical Procedures and Outcomes of Japanese Patients with Trisomy 18 or Trisomy 13: Analysis of a Nationwide Administrative Database of Hospitalized Patients. American Journal of Medical Genetics Part A. 2015;167(8):1816-21.
  6. Isogai T, Yasunaga H, Matsui H, Tanaka H, Horiguchi H, Fushimi K. Effectiveness of inferior vena cava filters on in-hospital mortality as an adjuvant to antithrombotic therapy for pulmonary embolism: propensity score and instrumental variable analyses. Am J Med 2015;128(3):312.e23-31.
  7. Isogai T, Yasunaga H, Matsui H, Ueda T, Tanaka H, Horiguchi H, Fushimi K. Hospital Volume and Cardiac Complications of Endomyocardial Biopsy: A Retrospective Cohort Study of 9508 Adult Patients Using a Nationwide Inpatient Database in Japan. Clinical Cardiology 2015;38(3):164-70
  8. Isogai T, Yasunaga H, Matsui H, Tanaka H, Ueda T, Horiguchi H, Fushimi K. Serious Cardiac Complications in Coronary Spasm Provocation Tests Using Acetylcholine or Ergonovine: Analysis of 21,512 Patients from the Diagnosis Procedure Combination Database in Japan. Clinical Cardiology 2015;38(3):171-7.
  9. Isogai T, Yasunaga H, Matsui H, Tanaka H, MD, Horiguchi H, Fushimi K. Effect of Intravenous Immunoglobulin on In-Hospital Mortality for Fulminant Myocarditis: Propensity Score Analyses. Journal of Cardiac Failure 2015;21(5):391-7
  10. Isogai T, Yasunaga H, Matsui H, Tanaka H, Ueda T, Horiguchi H, Fushimi K. Effect of weekend admission for acute myocardial infarction on in-hospital mortality: a retrospective cohort study. International Journal of Cardiology 2015;179:315–320.
  11. Isogai T, Yasunaga H, Matsui H, Tanaka H, Hisagi M, Fushimi K. Clinical Practice Patterns in Constrictive Pericarditis Patients with Heart Failure: A Retrospective Cohort Study Using a National Inpatient Database in Japan. Clinical Cardiology 2015;38(12):740-6
  12. Iwagami M, Yasunaga H, Noiri E, Horiguchi H, Fushimi K, Matsubara T, Yahagi N, Nangaku M. Choice of renal replacement therapy modality in intensive care units: data from a Japanese Nationwide Administrative Claim Database. Journal of Critical Care 2015;30(2):381-5
  13. Iwagami M, Yasunaga H. Current state of continuous renal replacement therapy for acute kidney injury in Japanese intensive care units in 2011: analysis of a national administrative d Nephrology Dialysis Transplantation 2015;30(6):988-95.
  14. Iwamoto T, Hashimoto H, Horiguchi H, Yasunaga H. Effectiveness of hospital functions for acute ischemic stroke treatment in in-hospital mortality: results from a nationwide survey in Japan. Journal of Epidemiology 2015;25(8):522-8.
  15. Kanehara A, Yamana H, Yasunaga H, Matsui H, Ando S, Okamura T, Kumakura Y, Fushimi K, Kasai K. Psychiatric Intervention and Repeated Admission to Emergency Centres Due to Drug Overdose. BJP Open 2015;1 (2):158-163
  16. Kikuchi H, Hashimoto H, Yasunaga H. Privacy-Preserving Epidemiological Analysis for a Distributed Database of Hospitals. AsiaJCIS 2015: 85- 90.
  17. Matsui H, Fushimi K, Yasunaga H. Variation in Risk-Standardized Mortality of Stroke among Hospitals in Japan. PlosOne 2015;10(10):e0139216.
  18. Matsumoto M, Koike S, Matsubara S, Kashima S, Ide H, Yasunaga H. Selection and concentration of obstetric facilities in Japan: a longitudinal study based on the national census data. Journal of Obstetrics and Gynaecology Research 2015;41(6):919-25
  19. Michihata N, Matsui H, Fushimi K, Yasunaga H. Guideline-Concordant Treatment of Kawasaki Disease with Immunoglobulin and Aspirin and the Incidence of Coronary Artery Aneurysm. Clinical Pediatrics 2015;54(11):1076-80.
  20. Michihata N, Matsui H, Fushimi K, Yasunaga H. Clinical features of adult patients admitted to pediatric wards in Japan. Journal of Adolescent Health 2015;57(4):421-4.
  21. Miyakawa K, Goto Y, Sunohara M, Yasunaga H, Nagase T. Serratia marcescens lung abscess with review of a Japanese national inpatient database. Case Reports in Internal Medicine 2015;2(2):40-43.
  22. Momosaki R, Yasunaga H, Matsui H, Abo M. Effect of dysphagia rehabilitation on oral intake in elderly patients with aspiration pneumonia. Geriatrics & Gerontology International 2015;15(6):694-9
  23. Momosaki R, Yasunaga H, Matsui H, Horiguchi H, Fushimi K, Abo M. Effect of Early Rehabilitation by Physical Therapists on In-hospital Mortality after Aspiration Pneumonia in the Elderly. Archives of Physical Medicine and Rehabilitation 2015;96(2):205-9.
  24. Morita K, Sasabuchi Y, Matsui H, Fushimi K, Yasunaga H. Outcomes After Early or Late Timing of Surgery for Infective Endocarditis with Ischemic Stroke: A Retrospective Cohort Study. Interactive CardioVascular and Thoracic Surgery 2015; doi:10.1093/icvts/ivv235.
  25. Naganuma M, Matsui H, Koizumi J, Fushimi K, Yasunaga H. Short-term Outcomes Following Elective Transcatheter Arterial Embolization for Splenic Artery Aneurysms: Data from a Nationwide Administrative Database. Acta Radiologica Open 2015;4(9):1–5
  26. Niikura R, Yasunaga H, Yamaji Y, Horiguchi H, Fushimi K, Yamada A, Hirata Y, Koike K. Factors affecting in-hospital mortality in patients with lower gastrointestinal tract bleeding: a retrospective study using a national database in Japan. J Gasrtoenterol 2015;50(5):533-40.
  27. Odagiri H, Yasunaga H, Matsui H, Fushimi K, Iizuka T, Kaise M. Hospital volume and the occurrence of bleeding and perforation following colorectal endoscopic submucosal dissection: analysis of a national administrative database in Japan. Diseases of the Colon & Rectum 2015;58(6):597-603
  28. Odagiri H, Matsui H, Fushimi K, Kaise M, Yasunaga H. Factors predicting perforation related to diagnostic balloon-assisted enteroscopy: analysis of the Diagnosis Procedure Combination database in Japan. Endoscopy 2015;47(2):143-6
  29. Odagiri H, Iizuka T, Yasunaga H. Unusual case of a submucosal tumor in the sigmoid colon. Saudi J Gastroenterology 2015;21(2):119-20.
  30. Odagiri H, Yasunaga H, Matsui H, Fushimi K, Iizuka T, Kaise M. Difference in Outcomes of Rectal Foreign Bodies between Males and Females: a Retrospective Analysis of a National Inpatient Database in Japan. Digestion 2015;92(3):165-70
  31. Ogura K, Fujiwara T, Yasunaga H, Matsui H, Joen DG, Cho WH, Hiraga H, Ishii T, Yonemoto T, Kamoda H, Ozaki T, Kozawa E, Nishida Y, Morioka H, Hiruma T, Kakunaga S, Osaka University Orthopaedic Oncology Group, Tsuda Y, Kawano H, Kawai A. Development and External Validation of Nomograms Predicting Distant Metastases and Overall Survival after Neoadjuvant Chemotherapy and Surgery for Patients with Non-metastatic Osteosarcoma: A Multi-institutional Study. Cancer 2015;121:3844–385
  32. Ohya J, Chikuda H, Kato H, Horiguchi H, Takeshita K, Tanaka S, Yasunaga H. Risks of in-hospital death and complications after fusion surgery in patients with atlantoaxial subluxation: analysis of 1,090 patients using the Japanese Diagnosis Procedure Combination Dat World Neurosurgery 2015;83(4):603-607
  33. Ohya J, Chikuda H, Oichi T, Horiguchi H, Takeshita K, Tanaka S, Yasunaga H. Perioperative Stroke in Patients Undergoing Elective Spinal Surgery: A Retrospective Analysis Using the Japanese Diagnosis Procedure Combination Database. BMC Musculoskeletal Disorders 2015;16:276
  34. Ono S, Ishomaru M, Matsui H, Fushimi K, Yasunaga H. Effect of Hospital Volume on Outcomes of Surgery for Cleft Lip and Palate. Journal of Oral and Maxillofacial Surgery. 2015;73(11):2219-24.
  35. Sako A, Yasunaga H, Matsui M, Fushimi K, Hamasaki H, Katsuyama H, Tsujimoto T, Goto A, , MPH, Yanai H. Hospitalization for hypoglycemia in Japanese diabetic patients: a retrospective study using a national inpatient database, 2008–2012. Medicine 2015;94(25):e1029
  36. Sasabuchi Y, Yasunaga H, Sanui M, Alan LT. The Dose-Response Relationship Between Body Mass Index and Mortality in Subjects Admitted to the ICU With and Without Mechanical Ventilation. Respiratory Care 2015;60(7):983-91.
  37. Sasabuchi Y, Yasunaga H, Matsui H, Lefor AT, Horiguchi H, Fushimi K, Sanui M. The volume-outcome relationship in critically ill patients in relation to the ICU-to-hospital bed ratio. Crit Care Med 2015;43(6):1239-45
  38. Sasabuchi Y, Yasunaga H, Matsui H, Lefor AK, Fushimi K, Sanui M. Carperitide increases the need for renal replacement therapy after cardiovascular surgery. Journal of Cardiothoracic and Vascular Anesthesia 2015;29(6):1426-31
  39. Sato M, Tateishi R, Yasunaga H, Horiguchi H, Yoshida H, Matsuda S, Fushimi K, Koike K. Variceal hemorrhage – Analysis of 9987 cases from a Japanese nationwide database. Hepatology Research 2015;45(3):288-93
  40. Shoda N, Yasunaga H, Horiguchi H, Fushimi K, Matsuda S, Kadono Y, Tanaka S. Prophylactic effect of fondaparinux and enoxaparin for preventing pulmonary embolism after total hip or knee arthroplasty: a retrospective observational study using the Japanese Diagnosis Procedure Combination Database. Modern Rheumatology 2015;11:1-5.
  41. Sugihara T, Yasunaga H, Yu C, Horiguchi H, Nishimatsu H, Fushimi K, Kattan MW, Homma Y. Perioperative Outcome Comparisons Between Open and Laparoscopic Nephroureterectomy Among a Population-Based Cohort from 2010 to 2012. Journal of Endourology 2015;29(7):770-6
  42. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Yamasoba T. Factors Associated with Severe Epiglottitis in Adults: Analysis of Japanese Inpatient Database. Laryngoscope 2015;125(9):2072-8.
  43. Suzuki S, Yasunaga H, Matsui H, Fushimi K, Kondo K, Yamasoba T. Complication Rates After Functional Endoscopic Sinus Surgery: Analysis of 50,734 Japanese Patients. Laryngoscope 2015;125(8):1785-91.
  44. Tagami T, Matsui H, Horiguchi H, Fushimi K, Yasunaga H. Thoracic aortic injury in Japan: a nationwide retrospective cohort study. Circ J 2015; 79: 55–60
  45. Tagami T, Matsui H, Horiguchi H, Fushimi K, Yasunaga H. Recombinant human soluble thrombomodulin and mortality in severe pneumonia patients with sepsis-associated disseminated intravascular coagulation: an observational nationwide study. J Thrombosis Haemost 2015;13(1):31-40.
  46. Tagami T, Matsui H, Fushimi K, Yasunaga H. Use of recombinant human soluble thrombomodulin in patients with sepsis-induced disseminated intravascular coagulation after intestinal perforation. Frontiers in Medicine, section Intensive Care Medicine and Anesthesiology 2015;2:7.
  47. Tagami T, Matsui H, Fushimi K, Yasunaga H. Validation of the prognostic burn index: a nationwide retrospective study. Burns 2015;41(6):1169-75
  48. Tagami T, Matsui H, Fushimi K, Yasunaga H. Supplemental dose of antithrombin use in disseminated intravascular coagulation patients after abdominal sepsis. Thrombosis and Haemostasis 2015;114(3):537-45.
  49. Tagami T, Matsui H, Fushimi K, Yasunaga H. Intravenous Immunoglobulin and Mortality in Pneumonia Patients with Septic Shock: An Observational Nationwide Study. Clinical Infectious Diseases 2015;61(3):385-92
  50. Tagami T, Matsui H, Fushimi K, Yasunaga H. Intravenous immunoglobulin use in septic shock patients after emergency laparotomy. Journal of Infection 2015;71(2):158-66
  51. Tagami T, Matsui H, Fushimi K, Yasunaga H. Low-dose corticosteroid treatment and mortality in refractory abdominal septic shock after emergency laparotomy. Annals of Intensive Care 2015;5(1):32
  52. Tagami T, Matsui H, Horiguchi H, Fushimi K, Yasunaga H. Low-dose corticosteroid use and mortality in severe community-acquired pneumonia patients Eur Respir J. 2015;45(2):463-72
  53. Takeuchi M, Tomomasa T, Yasunaga H, Horiguchi H, Fushimi K. Descriptive Epidemiology of Children Hospitalized for Inflammatory Bowel Disease in Japan. Pediatrics International 2015;57(3):443-8.
  54. Tamiya H, Yasunaga H, Matusi H, Fushimi K, Ogawa S, Akishita M. Hypnotics and the occurrence of bone fractures in hospitalized dementia patients: a matched case-control study using a national inpatient database. Plos One 2015 Jun 10;10(6):e0129366.
  55. Tamiya H, Yasunaga H, Matusi H, Fushimi K, Akishita M, Ogawa S. Comparison of short-term mortality and morbidity between parenteral and enteral nutrition for adults without cancer: a propensity-matched analysis using a national inpatient database. American Journal of Clinical Nutrition 2015;102(5):1222-8.
  56. Tsuda Y, Yasunaga H, Horiguchi H, Fushimi K, Kawano H, Tanaka S. Association between dementia and postoperative complications after hip fracture surgery in the elderly: Analysis of 87654 patients using a national administrative database. Archives of orthopaedic and trauma surgery 2015;135(11):1511-7
  57. Wada T, Yasunaga H, Inokuchi R, Horiguchi H, Fushimi K, Matsubara T, Nakajima S, Yahagi N. Relationship between hospital volume and early outcomes in acute ischemic stroke patients treated with recombinant tissue plasminogen activator. International Journal of Stroke 2015;10(1):73-8.
  58. Wada T, Yasunaga H, Inokuchi R, Matsui H, Matsubara T, Ueda Y, Gunshin M, Ishii T, Doi K, Kitsuta Y, Nakajima S, Fushimi K, Yahagi N. Effectiveness of surgical rib fixation on prolonged mechanical ventilation in patients with traumatic rib fractures: a propensity-score matched analysis. Journal of Critical Care 2015;30(6):1227-31
  59. Yamamoto H, Hashimoto H, Nakamura Horiguchi H, Yasunaga H. Relationship between hospital volume and hemorrhagic complication after percutaneous renal biopsy: results from the Japanese Diagnosis Procedure Combination Database. Clinical and Experimental Nephrology 2015;19(2):271-7.
  60. Yamana H, Matsui H, Fushimi K, Yasunaga H. Treatment options and outcomes of hospitalised tuberculosis patients: a nationwide study. The International Journal of Tuberculosis and Lung Disease 2015;19(1):120-6
  61. Yamana H, Matsui H, Sasabuchi Y, Fushimi K, Yasunaga H. Categorized diagnoses and procedure records in an administrative database improved mortality prediction. J Clin Epidemiol 2015;68(9):1028-35.
  62. Yamana H, Matsui H, Sasabuchi Y, Fushimi K, Yasunaga H. Procedure-based severity index for inpatients: development and validation using administrative database. BMC Health Services Research 2015;15:261.
  63. Yamauchi Y, Yasunaga H, Matsui H, Hasegawa W, Jo T, Takami K, Fushimi K, Nagase T. Comparison of in-hospital mortality in patients with obstructive airway disease. Respirology. 2015;20(6):940-6.
  64. Yamauchi Y, Yasunaga H, Matsui H, Hasegawa W, Jo T, Takami K, Fushimi K, Nagase T. Comparison of clinical characteristics and outcomes between aspiration pneumonia and community-acquired pneumonia in patients with chronic obstructive pulmonary disease. BMC Pulmonary Medicine 2015;15(1):69.
  65. Yasunaga H. Effect of Japanese Herbal Kampo Medicine Goreisan on Reoperation Rates after Burr-hole Surgery for Chronic Subdural Hematoma: Analysis of a National Inpatient Database. Evidence-Based Complementary and Alternative Medicine 2015; Article ID 817616

[2014]

  1. Chikuda H Yasunaga H, Takeshita K, Horiguchi H, Kawaguchi H, Ohe K, Fushimi K, Tanaka S. Mortality and morbidity after high-dose methylprednisolone treatment in patients with acute cervical spinal cord injury: A propensity matched analysis using a nationwide administrative database. Emergency Medicine Journal 2014;31(3):201-6
  2. Chikuda H Yasunaga H, Takeshita K, Horiguchi H, Kawaguchi H, Fushimi K, Tanaka S. Ischemic Stroke after Cervical Spine Injury: Analysis of 11,005 Patients Using the Japanese Diagnosis Procedure Combination Database. Spine Journal 2014 14(10):2275-80.
  3. Hamada T, Yasunaga H, Nakai Y, Isayama H, Horiguchi H, Fushimi K, Koike K. Impact of hospital volume on outcomes in acute pancreatitis: a study using a nationwide administrative database. J Gastroenterol 2014;49:148-55.
  4. Hamada T, Nakai Y, Yasunaga H, Isayama H, Matsui H, Takahara N, Sasaki T, Takagi K, Watanabe T, Yagioka H, Kogure H, Arizumi T, Yamamoto N, Ito Y, Hirano K, Tsujino T, Tada M, Koike K. Prognostic nomogram for nonresectable pancreatic cancer treated with gemcitabine-based chemotherapy. British Journal of Cancer 2014;110(8):1943-9.
  5. Hamada T, Yasunaga H, Nakai Y, Isayama H, Horiguchi H, Matsuda S, Fushimi K, Koike K. Severe bleeding and perforation are rare complications of endoscopic ultrasound-guided fine needle aspiration for pancreatic masses: An analysis of 3,090 patients from 212 hospitals. Gut and Liver 2014;8(2):215-8.
  6. Hasegawa W, Yamauchi Y, Yasunaga H, Sunohara M, Jo T, Matsui H, Fushimi K, Takami K, Nagase T. Factors affecting mortality following emergency admission for chronic obstructive pulmonary disease. BMC Pulmonary Medicine 2014;14:151.
  7. Inokuchi H, Yasunaga H, Nakahara Y, Horiguchi H, Ogata N, Fujitani J, Matsuda S, Fushimi K, Haga N. Effect of Rehabilitation on Mortality of Patients with Guillain-Barre Syndrome: A Propensity-matched Analysis Using a Nationwide Database. Eur J Phys Rehabil Med 2014;50(4):439-46
  8. Isogai T, Yasunaga H, Matsui H, Tanaka H, Ueda T, Horiguchi H, Fushimi K. Out-of-hospital versus in-hospital Takotsubo cardiomyopathy: analysis of 3719 patients in the Diagnosis Procedure Combination database in Japan. International Journal of Cardiology 2014;176(2):413-7.
  9. Iwagami M, Yasunaga H, Doi K, Horiguchi H, Fushimi K, Matsubara T, Yahagi N, Noiri E. Postoperative Polymyxin B Hemoperfusion and Mortality in Patients with Abdominal Septic Shock: A Propensity-Matched Analysis. Crit Care Med 2014;42(5):1187-93
  10. Kumamaru H, Tsugawa Y, Horiguchi H, Kumamaru KK, Hashimoto H, Yasunaga H. Association between Hospital Case Volume and Mortality in Non-elderly Pneumonia Patients Stratified by Severity: a Retrospective Cohort Study. BMC Health Services Research 2014 ;14:302
  11. Lee SL, Hashimoto H, Kohro T, Horiguchi H, Koide D, Komuro I, Fushimi K, Yamazaki T, Yasunaga H. Influence of Municipality-Level Mean Income on Access to Aortic Valve Surgery: A Cross-Sectional Observational Study under Japan’s Universal Health-Care Coverage. Plos One 2014 ;9(10):e111071
  12. Michihata N, Matsui H, Fushimi K, Yasunaga H. Comparison between Enteral Nutrition and Intravenous Hyperalimentation in Patients with Eating Disorders: Results from the Japanese Diagnosis Procedure Combination Database. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity 2014 ;19(4):473-8
  13. Ogura K, Yasunaga H, Horiguchi H, Fushimi K, Tanaka S, Kawano H. Nomogram Predicting Severe Adverse Events after Musculoskeletal Tumor Surgery: Analysis of a National Administrative Database. Annals of Surgical Oncology 2014;21(11):3564-71
  14. Ogura K, Yasunaga H, Horiguchi H, Fushimi K, Kawano H. What Is the Effect of Advanced Age and Comorbidity on Postoperative Morbidity and Mortality After Musculoskeletal Tumor Surgery? Clinical Orthopaedics and Related Research 2014 ;472(12):3971-8
  15. Sako A, Yasunaga H, Horiguchi H, Fushimi K, Yanai H, Uemura N. Prevalence and In-hospital Mortality of Gastrostomy and Jejunostomy in Japan: A Retrospective Study Using a National Administrative Database. Gastrointestinal Endoscopy 2014;80:88-96.
  16. Sato M, Tateishi R, Yasunaga H, Horiguchi H, Yoshida H, Matsuda S, Fushimi K, Koike K. Acute liver disease in Japan – a nationwide analysis of the Japanese Diagnosis Procedure Combination database. J Gastroenterol 2014;49(3):547-54
  17. Sugihara T, Yasunaga H, Horiguchi H, Matsuda S, Fushimi K, Kattan M, Homma Y. Does mechanical bowel preparation ameliorate damage from rectal injury in radical prostatectomy? Analysis of 151 rectal injury cases. Int J Urol 2014;21(6):566-70
  18. Sugihara T, Yasunaga H, Horiguchi H, Fushimi K, Dalton J, Schold J, Kattan M, Homma Y. Performance comparisons in major uro-oncological surgeries between the United States and Japan. Int J Urol 2014 ;21(11):1145-50
  19. Sugihara T, Yasunaga H, Horiguchi H, Matsui H, Nishimatsu H, Nakagawa T, Fushimi K, Kattan MW, Homma Y. Comparison of Perioperative Outcomes Including Severe Bladder Injury Between Monopolar and Bipolar Transurethral Resection of Bladder Tumors: A Population-Based Comparison. Journal of Urology 2014;192(5):1355-9.
  20. Sugihara T, Yasunaga H, Horiguchi H, Matsui H, Fujimura T, Nishimatsu H, Fukuhara H, Kume H, Changhong Y, Kattan MW, Fushimi K, Homma Y. Robot-assisted versus other types of radical prostatectomy: population-based safety and cost comparison in Japan, 2012–2013. Cancer Science 2014 ;105(11):1421-6
  21. Sugihara T, Yu C, Kattan MW, Yasunaga H, Ihara H, Onozawa M, Hinotsu S, Akaza H. Long-Term Survival in Extremely Advanced Prostate Cancer Patients Diagnosed with Prostate Specific Antigen over 500 ng/mL. Japanese Journal of Clinical Oncology 2014 ;44(12):1227-32.
  22. Sumitani M, Yasunaga H, Uchida K, Horiguchi H, Nakamura M, Ohe K, Fushimi K, Matsuda S, Yamada Y. Perioperative factors affecting the occurrence of acute complex regional pain syndrome following limb bone fracture surgery: Data from the Japanese Diagnosis Procedure Combination database. Rheumatology 2014;53(7):1186-93
  23. Suzuki S, Yasunaga H, Matsui H, Horiguchi H, Fushimi K, Yamasoba T. Impact of Systemic Steroids on Posttonsillectomy Bleeding: Analysis of 61430 Patients using a National Inpatient Database in Japan. JAMA Otolaryngology-Head & Neck Surgery 2014 ;140(10):906-10.
  24. Tagami T, Matsui H, Horiguchi H, Fushimi K, Yasunaga H. Antithrombin and mortality in severe pneumonia patients with sepsis-associated disseminated intravascular coagulation: an observational nationwide study. J Thrombosis Haemost 2014 ;12(9):1470-9
  25. Taguchi M, Kubo T, Yamamoto M, Muramatsu K, Yasunaga H, Horiguchi H, Fujimori K, Matsuda S, Fushimi K, Harada M. Body Mass Index Influences the Outcome of Acute Pancreatitis: An Analysis Based on the Japanese Administrative Database. Pancreas 2014 ;43(6):863-6.
  26. Takagi T, Sugihara T, Yasunaga H, Horiguchi H, Fushimi K, Kattan MW, Homma Y, Tanabe K. Cytoreductive nephrectomy for metastatic renal cell carcinoma: a population-based analysis of perioperative outcomes according to clinical stage. Int J Urol 2014 ;21(8):770-5.
  27. Tsuda Y, Yasunaga H, Horiguchi H, Fushimi K, Kawano H, Tanaka S. Effects of Fondaparinux on Pulmonary Embolism following Hemiarthroplasty for Femoral Neck Fracture: a Retrospective Observational Study Using the Japanese Diagnosis Procedure Combination Database. J Orthop Sci 2014 ;19(6):991-6.
  28. Uchida K, Yasunaga H, Sumitani M, Horiguchi H, Fushimi K, Yamada Y. Effects of Remifentanil on In-hospital Mortality and Length of Stay Following Clipping of Intracranial Aneurysm: A Propensity Score Matched Analysis. J Neurosurg Anesth 2014 ;26(4):291-8.
  29. Uehara K, Yasunaga H, Morizaki Y, Horiguchi H, Fushimi K, Tanaka S. Necrotising soft-tissue infections of the upper limb: risk factors for amputation and death. Bone Joint J 2014;96-B(11):1530-4.
  30. Uematsu H, Hashimoto H, Iwamoto T, Horiguchi H, Yasunaga H. Impact of guideline-concordant microbiological testing on outcomes of pneumonia. Int J Quality Health Care 2014;26(1):100-7.
  31. Wada T, Yasunaga H, Inokuchi R, Horiguchi H, Fushimi K, Matsubara T, Nakajima S, Yahagi N. Effects of Edaravone on Early Outcomes in Acute Ischemic Stroke Patients Treated with Recombinant Tissue Plasminogen Activator. Journal of the Neurological Sciences 2014 ;345(1-2):106-11.
  32. Yamamoto H, Hashimoto H, Nakamura Horiguchi H, Yasunaga H. Relationship between hospital volume and hemorrhagic complication after percutaneous renal biopsy: results from the Japanese Diagnosis Procedure Combination Database. Clinical and Experimental Nephrology 2014 epub
  33. Yoshioka R, Yasunaga H, Hasegawa K, Horiguchi H, Fushimi K, Aoki T, Sakamoto Y, Sugawara Y, Kokudo N. Hospital volume affects in-hospital mortality, length of stay, and total costs after pancreaticoduodenectomy: Analysis of data from 10,652 patients from the Japanese Diagnosis Procedure Combination database. Brit J Surg 2014;101(5):523-9.

[2013]

  1. Yasunaga H, Horiguchi H, Kuwabara K, Matsuda S, Fushimi K, Hashimoto H, Ayanian JZ. Outcomes After Laparoscopic or Open Distal Gastrectomy for Early-stage Gastric Cancer: A Propensity-matched Analysis. Ann Surg 2013;257(4):640-6
  2. Yasunaga H, Horiguchi H, Matsuda S, Fushimi K, Hashimoto H, Ayanian JZ. Body mass index and outcomes following gastrointestinal cancer surgery in Japan: A retrospective cohort study. Brit J Surg 2013;100:1335–43
  3. Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S, Fushimi K. Effect and Cost of Treatment for Acute Pancreatitis With or Without Gabexate Mesylate: A Propensity Score Analysis Using a Nationwide Administrative Database. Pancreas 2013;42(2):260-4
  4. Akahane M, Tanabe S, Ogawa T, Koike S, Horiguchi H, Yasunaga H, Imamura T. Characteristics and Outcomes of Pediatric Out-of-Hospital Cardiac Arrest by Scholastic Age Category. Pediatric Critical Care Medicine 2013;14(2):130-6
  5. Akiyama T, Chikuda H, Yasunaga H, Horiguchi H, Fushimi K, Saita K. Incidence and Risk Factors for Mortality of Vertebral Osteomyelitis: A Retrospective Analysis Using the Japanese Diagnosis Procedure Combination Database. BMJ Open 2013;3:e002412.
  6. Chikuda H, Yasunaga H, Horiguchi H, Takeshita K, Sugita S, Taketomi S, Fushimi K, Tanaka S. Impact of Age and Comorbidity Burden on Mortality and Major Complications in Older Adults Undergoing Orthopaedic Surgery: An Analysis Using the Japanese Diagnosis Procedure Combination Database. BMC Musculoskeletal Disorders 2013;14(1):173
  7. Fukuda T, Yasunaga H, Horiguchi H, Ohe K, Fushimi K, Matsubara T, Yahagi N. Health care costs related to out-of-hospital cardiopulmonary arrest in Japan. Resuscitation 2013 ;84(7):964-9.
  8. Hamada T, Yasunaga H, Nakai Y, Isayama H, Horiguchi H, Matsuda S, Fushimi K, Koike K. Rarity of severe bleeding and perforation in endoscopic ultrasound-guided fine needle aspiration for submucosal tumors. Digestive Diseases Science 2013;58:2634-8.
  9. Hamada T, Yasunaga H, Nakai Y, Isayama H, Horiguchi H, Matsuda S, Fushimi K, Koike K. Continuous regional arterial infusion for acute pancreatitis: A propensity score analysis using a nationwide administrative database. Critical Care 2013;17(5):R214.
  10. Hamada T, Yasunaga H, Nakai Y, Isayama H, Horiguchi H, Fushimi K, Ohe K, Koike K. Japanese Severity Score for Acute Pancreatitis Well Predicts In-hospital Mortality: A Nationwide Survey of 17,901 Cases. Journal of Gastroenterology 2013;48(12):1384–91
  11. Nakamura M, Yasunaga H, Ando S, Haraguchi T, Sugihara T, Horiguchi H, Ohe K, Matsuda S, Fushimi K. Length of mechanical restraint following haloperidol injections versus oral atypical antipsychotics for the initial treatment of acute schizophrenia: A Propensity-Matched Analysis from the Japanese Diagnosis Procedure Combination Database. Psychiatry Research 2013;209:412-6
  12. Nakamura M, Yasunaga H, Shimada T, Horiguchi H, Matsuda S, Fushimi K. Body mass index and in-hospital mortality in anorexia nervosa: data from the Japanese Diagnosis Procedure Combination Database. Eating and Weight Disorders 2013;18(4):437-9.
  13. Ogura K, Yasunaga H, Horiguchi H, Ohe K, Shinoda Y, Tanaka S, Kawano H. Incidence and risk factors for postoperative pulmonary embolism following primary musculoskeletal tumor surgery: Analysis of a national administrative database. Clin Orthop Relat Res 2013;471:3310-6.
  14. Ogura K, Yasunaga H, Horiguchi H, Ohe K, Shinoda Y, Tanaka S, Kawano H. Impact of Hospital Volume on Postoperative Complications and In-hospital Mortality after Musculoskeletal Tumor Surgery: Analysis of a National Administrative Database. J Bone Joint Surg Am 2013;95(18):1684-91.
  15. Sone M, Mizunuma K, Nakajima Y, Yasunaga H, Ohtomo K. Job satisfaction, income, workload, workplace, and demographics of Japanese radiologists in the 2008 survey. Japanese Journal of Radiology 2013;31:364-70.
  16. Sugihara T, Yasunaga H, Horiguchi H, Nishimatsu H, Kume H, Ohe K, Matsuda S, Fushimi K, Homma Y. A Nomogram Predicting Severe Adverse Events after Ureteroscopic Lithotripsy: 12,372 Patients in Japanese National Series. BJU Int 2013;111(3):459-66
  17. Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Nishimatsu H, Kume H, Ohe K, Matsuda S, Fushimi K, Homma Y. Is mechanical bowel preparation in laparoscopic radical prostatectomy beneficial? An analysis of a Japanese national database. BJU Int 2013 ;112(2):E76-81.
  18. Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Nishimatsu H, Tsuru N, Kazuo S, Ohe K, Fushimi K, Homma Y. Regional, institutional and individual factors affecting selection of minimally invasive nephroureterectomy in Japan: A national database analysis. Int J Urol 2013 ;81(1):74-9
  19. Sugihara T, Yasunaga H, Horiguchi H, Tsuru N, Ihara H, Fujimura T, Nishimatsu H, Ohe K, Fushimi K, Homma Y. Comparisons of perioperative outcomes and costs between open and laparoscopic radical prostatectomy: a propensity-score matching analysis based on the Japanese Diagnosis Procedure Combination database. Int J Urol 2013;20:349-53.
  20. Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Nishimatsu H, Ohe K, Matsuda S, Fushimi K, Kattan MW, Homma Y. Does Mechanical Bowel Preparation Improve Quality of Laparoscopic Nephrectomy? Propensity Score-matched Analysis in Japanese Series. Urology 2013;81(1):74-9.
  21. Sugihara T, Yasunaga H, Horiguchi H, Tsuru N, Fujimura T, Nishimatsu H, Kume H, Ohe K, Matsuda S, Fushimi K, Homma Y. Wide Range and Variations in Minimally Invasive Surgery For Renal Malignancy in Japan: A Population Based Analysis. Int J Clin Oncol 2013;18:1070–1077.
  22. Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Nishimatsu H, Kume H, Ohe K, Matsuda S, Fushimi K, Homma Y. Longer operative time is associated with higher risk of severe complications after percutaneous nephrolithotomy: analysis of 1511 cases from a Japanese nationwide database. Int J Urol 2013;20(12):1193-8.
  23. Takeuchi M, Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S. Pyloromyotomy versus intravenous atropine therapy for the treatment of infantile pyloric stenosis: an analysis using nationwide hospital discharge database. Pediatrics International 2013;55(4):488-91
  24. Takeuchi M, Yasunaga H, Horiguchi H, Matsuda S. The Burden of Epiglottitis Among Japanese Children Before the Vaccination Era: an Analysis Using a Nationwide Administrative Database. Journal of Infection and Chemotherapy 2013;19:876-9.
  25. Tanabe S, Ogawa T, Akahane M, Koike S, Horiguchi H, Yasunaga H, Mizoguchi T, Hatanaka T, Yokota H, Imamura T. Comparison of Neurological Outcome between Tracheal Intubation and Supraglottic Airway Device Insertion of Out-of-hospital Cardiac Arrest Patients: A Nationwide, Population-based, Observational Study. Journal of Emergency Medicine 2013;44(2)389-397.
  26. Tsugawa Y, Kumamaru H, Yasunaga H, Hashimoto H, Horiguchi H, Ayanian JZ. The Association of Hospital Volume with Mortality and Costs of Care for Acute Stroke in Japan. Medical Care 2013;51:782–8.

[2012]

  1. Yasunaga H, Horiguchi H, Matsuda S, Fushimi K, Hashimoto H, Ohe K, Kokudo N. Relationship between hospital volume and operative mortality for liver resection: data from the Japanese Diagnosis Procedure Combination database.  Hepatol Res 2012;42(11):1073-1080
  2. Yasunaga H, Hashimoto H, Horiguchi H, Miyata S, Matsuda S. Variation in cancer surgical outcomes associated with physician and nurse staffing: a retrospective observational study using the Japanese Diagnosis Procedure Combination Database. BMC Health Serv Res 2012;12:129.
  3. Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S, Fushimi K. The Burden of Clostridium difficile–Associated Disease following Digestive Tract Surgery in Japan. J Hosp Infect 2012 ;82(3):175-80.
  4. Akahane M, Ogawa T, Tanabe S, Koike S, Horiguchi H, Yasunaga H, Imamura T. Impact of Telephone Dispatcher Assistance on the Outcomes of Pediatric Out-of-Hospital Cardiac Arrest.  Crit Care Med 2012 ;40(5):1410-6
  5. Akahane M, Tanabe T, Koike S, Ogawa T, Horiguchi H, Yasunaga H, Imamura T. Elderly out-of-hospital cardiac arrest has worse outcomes with a family bystander than a non-family bystander. Int J Emerg Med 2012;5(1):41.
  6. Chikuda H, Yasunaga H, Horiguchi H, Takeshita K, Kawaguchi H, Matsuda S, Nakamura K. Mortality and morbidity in dialysis-dependent patients undergoing spinal surgery: analysis of a national administrative database in Japan.  J Bone Joint Surg Am 2012;94(5):433-8.
  7. Horiguchi H, Yasunaga H, Hashimoto H, Ohe K. A User-friendly Tool to Transform Large Scale Administrative Data into Wide Table Format using a MapReduce Program with a Pig Latin based Script. BMC Medical Informatics and Decision Making 2012;12:151.
  8. Kodama T, Koike S, Matsumoto S, Ide H, Yasunaga H, Imamura T. The working status of Japanese female physicians by area of practice: cohort analysis of taking leave, returning to work, and changing specialties from 1984-2004.  Health Policy 2012;105(2-3):214-220
  9. Koike S, Ide H, Kodama T, Matsumoto S, Yasunaga H, Imamura T. Physician–Scientists in Japan: Attrition, Retention, and Implications for the Future. Academic Medicine 2012;87(5):662-7
  10. Masuda K, Chikuda H, Yasunaga H, Hara N, Horiguchi H, Matsuda S, Takeshita K, Kawaguchi H, Nakamura K. Factors affecting the occurrence of pulmonary embolism following spinal surgery: data from the national administrative database in Japan. Spine Journal 2012;12(11):1029-34
  11. Nakamura M, Yasunaga H, Miyata H, Shimada T, Horiguchi H, Matsuda S. Mortality of Neuroleptic Malignant Syndrome Induced by Typical and Atypical Antipsychotic Drugs: A Propensity-matched Analysis from the Japanese Diagnosis Procedure Combination Database.  The Journal of Clinical Psychiatry 2012;73(4):427–430
  12. Nakamura M, Yasunaga H, Toda AA, Sugihara T, Imamura T. The Impact of Media Reports on the 2008 Outbreak of Hydrogen Sulfide Suicides in Japan. International Journal of Psychiatry in Medicine 2012; 44(2) 133-140.
  13. Sato M, Tateishi R, Yasunaga H, Horiguchi H, Yoshida H, Matsuda S, Koike K. Mortality and morbidity of hepatectomy, radiofrequency ablation or embolization for hepatocellular carcinoma – a national survey of 54,145 patients.  J Gastroenterol 2012;47(10):1125-33
  14. Shoda N, Yasunaga H, Horiguchi H, Kadono Y, Matsuda S, Tanaka S. Risk factors affecting in-hospital mortality after hip fracture: retrospective analysis using the Japanese Diagnosis Procedure Combination database. BMJ Open 2012;2(3). pii: e000416
  15. Sugihara T, Yasunaga H, Horiguchi H, Nakamura M, Nomiya A, Nishimatsu H, Matsuda S, Homma Y. Admissions related to interstitial cystitis in Japan: An estimation based on the Japanese Diagnosis Procedure Combination database.  Int J Urol 2012;19:86-9.
  16. Sugihara T, Yasunaga H, Horiguchi H, Nishimatsu H, Fukuhara H, Enomoto Y, Kume H, Ohe K, Matsuda S, Homma Y. Management Trends, Angioembolization Performance, and Multiorgan Injury Indicators of Renal Trauma from Japanese Administrative Claims Database.  Int J Urol 2012;19(6):559-63
  17. Sugihara T, Yasunaga H, Horiguchi H, Nakamura M, Nishimatsu H, Kume H, Ohe K, Matsuda S, Homma Y. In-hospital outcomes and cost assessment between bipolar versus monopolar transurethral resection of the prostate.  Journal of Endourology 2012;26:1053-8.
  18. Sugihara T, Yasunaga H, Horiguchi H, Fujimura T, Ohe K, Matsuda S, Fushimi K, Homma Y. Impact of surgical intervention timing on Fournier’s gangrene case fatality: an analysis of 379 cases.  BJU Int 2012;110(11):E1096-100
  19. Sugihara T, Yasunaga H, Horiguchi H, Nishimatsu H, Hirano Y, Matsuda S, Homma Y. Renal haemorrhage risk after extracorporeal shockwave lithotripsy: results from the Japanese Diagnosis Procedure Combination Database. BJU Int 2012;110(8 Pt B):E332-8.
  20. Takeuchi M, Yasunaga H, Horiguchi H, Matsuda S. Clinical Features of Infants Hospitalized for 2009 Pandemic Influenza A (H1N1) in Japan: Analysis Using Hospital Discharge Database. Pediatr Infect Dis J 2012;31(4):368-72
  21. Takeuchi M, Yasunaga H, Horiguchi H, Matsuda S. The Incidence of pertussis hospitalizations among Japanese infants: excess hospitalizations and complications? Epidemiol Infect. 2012;140(8):1497-1502.
  22. Takeuchi M, Osamura T, Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S. Intussusception among Japanese children: an epidemiologic study using an administrative database. BMC Pediatrics 2012, 12:36
  23. Tanabe S, Yasunaga H, Ogawa T, Koike S, Akahane M, Horiguchi H, Hatanaka T, Yokota H, Imamura T. Comparison of Outcomes after Use of Biphasic or Monophasic Defibrillators Among Out-of-Hospital Cardiac Arrest Patients: A Nationwide Population-Based Observational Study. Circulation: Cardiovascular Quality and Outcomes 2012;5(5):689-96.
  24. Tanabe S, Yasunaga H, Koike S, Akahane M, Ogawa T, Horiguchi H, Hatanaka T, Yokota H, Imamura H. Monophasic versus biphasic defibrillation for paediatric out-of-hospital cardiac arrest patients: a nationwide population-based study in Japan. Critical Care 2012;16(6):R219.
  25. Uchida K, Yasunaga H. Impact of Remifentanil Use on Early Postoperative Outcomes Following Brain Tumor Resection or Rectal Cancer Surgery. J Anesth 2012;26(5):711-20

[2011]

  1. Yasunaga H, Horiguchi H, Kuwabara K, Hashimoto H, Matsuda S. Delay in Tetracycline Treatment Increases the Risk of Complications in Tsutsugamushi Disease.  Intern Med 2011;50(1):37-42.
  2. Yasunaga H, Horiguchi H, Kuwabara K, Hashimoto H, Matsuda S. Venomous Snake Bites in Japan.  Am J Trop Med Hyg 2011;84(1):135-136.
  3. Yasunaga H, Miyata H, Horiguchi H, Kuwabara K, Hashimoto H, Matsuda S. Effect of the Japanese herbal Kampo medicine Dai-kenchu-to on postoperative adhesive small bowel obstruction requiring long-tube decompression: a propensity score analysis.  Evidence-Based Complementary and Alternative Medicine 2011, Article ID 264289, 7 pages
  4. Yasunaga H, Miyata H, Horiguchi H, Tanabe S, Akahane M, Ogawa T, Koike S, Imamura T. Population Density, Call-response Interval, and Survival of Out-of-hospital Cardiac Arrest.  International Journal of Health Geographics 2011; 10:26.
  5. Yasunaga H, Sugihara T, Imamura T. Difference in Willingness-to-pay for Prostate Cancer Screening between Ill-informed and Well-informed Men: A Contingent Valuation Survey.  Urology 2011;77(6):1325-9.
  6. Akahane M, Ogawa T, Koike S, Tanabe S, Horiguchi H, Mizoguchi T, Yasunaga H, Imamura T. The effects of sex on out-of-hospital cardiac arrest outcomes.  The American Journal of Medicine 2011;124(4):325-33
  7. Hashimoto H, Ikegami N, Shibuya K, Izumida N, Noguchi H, Yasunaga H, Miyata H, Acuin JM, Reich MR. Cost containment and quality of care in Japan: is there a trade-off?  Lancet 2011;378(9797):1174-1182.
  8. Horiguchi H, Yasunaga H, Hashimoto H, Matsuda S. Incidence of severe adverse events requiring hospital care after trastuzumab infusion for metastatic breast cancer: a nationwide survey using an administrative claim database.  Breast J 2011;17(6):683-5.
  9. Koike K, Tanabe T, Ogawa T, Akahane M, Yasunaga H, Horiguchi H, Matsumoto S, Imamura T. Effect of time and day of admission on 1-month survival and neurologically favourable 1-month outcome in out-of-hospital cardiopulmonary arrest patients.  Resuscitation 2011;82(7):863-8.
  10. Koike S, Tanabe T, Ogawa T, Akahane M, Yasunaga H, Horiguchi H, Matsumoto S, Imamura T. Immediate defibrillation or defibrillation after cardiopulmonary resuscitation.  Prehospital Emergency Care 2011; 15(3):393-400.
  11. Koike S, Ogawa T, Tanabe T, Matsumoto S, Akahane M, Yasunaga H, Horiguchi H, Imamura T. Collapse-to-emergency medical service cardiopulmonary resuscitation interval and outcomes of out-of-hospital cardiopulmonary arrest: a nationwide observational study.  Critical Care 2011 2011;15:R120.
  12. Kuwabara K, Matsuda S, Fushimi K, Ishikawa KB, Horiguchi H, Fujimori K, Yasunaga H, Miyata H. Quantitative Assessment of the Advantages of Laparoscopic Gastrectomy and the Impact of Volume-Related Hospital Characteristics on Resource Use and Outcomes of Gastrectomy Patients in Japan.  Ann Surg 2011;253(1):64-70.
  13. Nagase Y, Yasunaga H, Horiguchi H, Hashimoto H, Shoda N, Kadono Y, Matsuda S, Nakamura K, Tanaka S. Risk factors for pulmonary embolism and the effects of fondaparinux after total hip and knee arthroplasty: a retrospective observational study with use of a national database in Japan.  J Bone Joint Surg Am 2011; 93:e146 (1-7).
  14. Otake H, Yasunaga H, Horiguchi H, Matsutani N, Matsuda S, Ohe K. Impact of hospital volume on chest tube duration, length of stay and mortality following lobectomy.  Ann Thorac Surg 2011;92:1069-75.
  15. Sako A, Yasunaga H, Horiguchi H, Hashimoto H, Masaki N, Matsuda S. Acute Hepatitis B in Japan: Incidence, Clinical Practices and Health Policy.  Hepatol Res 2011;41(1):39-45.
  16. Sugihara H, Yasunaga H, Horiguchi H, Nishimatsu H, Kume H, Matsuda S, Homma Y. Impact of Hospital Volume and Laser Usage on Postoperative Complications and In-hospital Mortality After Transurethral Surgery of Benign Prostate Hyperplasia: Japanese Diagnosis Procedure Combination Database.  J Urol 2011;185:2248-2253.
  17. Sugihara T, Yasunaga H, Horiguchi H, Nishimatsu H, Matsuda S, Homma Y. Incidence rate and clinical features of priapism in Japan; 46 cases from Japanese Diagnosis Procedure Combination database 2006-2008.  International Journal of Impotence Research 2011;23(2):76-80.
  18. Sumitani M, Uchida K, Yasunaga H, Horiguchi H, Kusakabe Y, Matsuda S, Yamada Y. Prevalence of Malignant Hyperthermia and Relationship with Anesthetics in Japan: Data from the Diagnosis Procedure Combination Database.  Anesthesiology 2011;114(1):84-90.
  19. Uchida K, Yasunaga H, Miyata H, Sumitani M, Horiguchi H, Kuwajima K, Matsuda S, Yamada Y. Impact of remifentanil introduction on practice patterns in general anesthesia.  J Anesth 2011;25(6):864-71.

[2010]

  1. Yasunaga H, Horiguchi H, Kuwabara K, Hashimoto H, Matsuda S. Clinical features of Bowel Anisakiasis in Japan.  Am J Trop Med Hyg 2010; 83: 104-105.
  2. Yasunaga H, Horiguchi H, Tanabe S, Akahane M, Ogawa T, Koike S, Imamura T. Collaborative effects of bystander-initiated cardiopulmonary resuscitation and prehospital advanced cardiac life support by physicians on survival of out-of-hospital cardiac arrest: a nationwide population-based observational study.  Critical Care 2010;14(6):R199.
  3. Yasunaga H, Shi Y, Takeuchi M, Horiguchi H, Hashimoto H, Matsuda S, Ohe K. Measles-related Hospitalizations and Complications in Japan, 2007-2008.  Internal Medicine 2010; 49: 1965-1970.
  4. Yasunaga H, Yanaihara H, Fuji K, Horiguchi H, Hashimoto H, Matsuda S. Impact of hospital volume on postoperative complications and in-hospital mortality following renal surgery: data from the Japanese diagnosis procedure combination database.  Urology 2010; 76: 548–552
  5. Horiguchi H, Yasunaga H, Hashimoto H, Matsuda S. Impact of drug-eluting stents on treatment option mix for coronary artery disease in Japan.  Circ J 2010;74(8):1635-1643.
  6. Ide H, Koike S, Yasunaga H, Kodama T, Ohe K, Imamura T. Long-term Career Transition in the Surgical Workforce of Japan: A Retrospective Cohort Study Using the Nationwide Survey of Physicians Data from 1972 to 2006.  World J Surg 2010;34(8):1748-1755.
  7. Kadono Y, Yasunaga H, Horiguchi H, Hashimoto H, Matsuda S, Tanaka S, Nakamura K. Statistics in orthopaedic surgery 2006-2007: Data from the Japanese Diagnosis Procedure Combination (DPC) database.  J Orthop Sci 2010; 15: 162-70
  8. Koike S, Ide H, Yasunaga H, Kodama T, Matsumoto S, Imamura T. Postgraduate training and career choices: an analysis of the National Physicians Survey in Japan.  Medical Education 2010;44: 289-297.
  9. Koike S, Kodama T, Matsumoto S, Ide H, Yasunaga H, Imamura T. Residency Hospital Type and Career Paths in Japan: An Analysis of Physician Registration Cohorts. Medical Teacher 2010;32(6):e239-47.
  10. Koike S, Kodama T, Matsumoto S, Ide H, Yasunaga H, Imamura T. Retention rate of physicians in public health administration agencies and their career paths in Japan.  BMC Health Services Research 2010, 10:101.
  11. Koike S, Matsumoto S, Kodama T, Ide H, Yasunaga H, Imamura T. Specialty choice and physicians’ career paths in Japan: An analysis of National Physician Survey data from 1996 to 2006.  Health Policy 2010;98:236-244..
  12. Kuwabara K, Matsuda S, Imanaka Y, Fushimi K, Hashimoto H, Ishikawa KB, Horiguchi H, Hayashida K, Fujimori K, Ikeda S, Yasunaga H. Injury Severity Score, resource use, and outcome for trauma patients within a Japanese administrative database.  The Journal of Trauma: Injury, Infection and Critical Care 2010;68(2):463-70.
  13. Matsui H, Hashimoto H, Horiguchi H, Yasunaga H, Matsuda S. An exploration of the association between very early rehabilitation and outcome for the patients with acute ischaemic stroke in Japan: a nationwide retrospective cohort survey.  BMC Health Services Research 2010;10:213.
  14. Naito S, Kakehi Y, Okuyama A, Imamura T, Yasunaga H, Akaza H, Hinotsu S, Arai Y, Dokiya T, Egawa S, Suzuki K, Koga H, Masumori N, Akakura K, Kawashima K, Okihara K, Ito K. Updated Japanese Urological Association Guidelines on prostate-specific antigen-based screening for prostate cancer in 2010.  International Journal of Urology 2010;17(10):830-838.
  15. Ogoshi K, Yasunaga H, Obana N, Ogawa T, Imamura T. Consumer reactions to risk information on bovine spongiform encephalopathy in Japan.  Environ Health Prev Med 2010;15(5):311-318.

[2009]

  1. Yasunaga H. Who wants cancer screening with PET: a contingent valuation survey in Japan.  European Journal of Radiology 2009;70:190–194.
  2. Yasunaga H, Matsuyama Y, Ohe K, The Japan Surgical Society. Effects of hospital and surgeon case-volumes on postoperative complications and length of stay after esophagectomy in Japan.  Surgery Today 2009;39:566-571.
  3. Yasunaga H, Matsuyama Y, Ohe K, The Japan Surgical Society. Effects of hospital and surgeon volumes on operating times, postoperative complications, and length of stay following laparoscopic colectomy.  Surgery Today 2009;39:955–961.
  4. Yasunaga H, Matsuyama Y, Ohe K, The Japan Surgical Society. Volume-Outcome Relationship in Rectal Cancer Surgery: a New Perspective.  Surgery Today 2009;39:663–668.
  5. Yasunaga H, Nishii O, Hirai Y, Ochiai K, Matsuyama Y, Ohe K Impact of Surgeon and Hospital Volumes on Short-Term Postoperative Complications after Radical Hysterectomy for Cervical Cancer.  The Journal of Obstetrics and Gynaecology Research 2009;35(4):699-705.
  6. Yasunaga H, Tsuchiya K, Matsuyama Y, Ohe K High-volume surgeons in regard to reductions in operating time, blood loss, and postoperative complications for total hip arthroplasty.  Journal of Orthopaedic Science 2009;14(1):3-9.
  7. Yasunaga H, Tsuchiya K, Matsuyama Y, Ohe K. Analysis of factors affecting operating time, postoperative complications, and length of stay for total knee arthroplasty: nationwide web-based survey.  Journal of Orthopaedic Science 2009;14(1):10-16.
  8. Hayashida K, Imanaka Y, Otsubo T, Kuwabara K, Koichi B Ishikawa, Fushimi K, Hashimoto H, Yasunaga H, Horiguchi H, Anan M, Fujimori K,Ikeda S, Matsuda S. Development and analysis of a nationwide cost database of acute-care hospitals in Japan.  Journal of Evaluation in Clinical Practice 2009;15(4):626-33.
  9. Ide H, Yasunaga H, Kodama T, Koike S, Taketani Y, Imamura T. The Dynamics of Obstetricians and Gynaecologists in Japan: A Retrospective Cohort Model using the Nationwide Survey of Physicians data.  The Journal of Obstetrics and Gynaecology Research 2009;35(4): 761-766.
  10. Ide H, Yasunaga H, Koike S, Kodama T, Igarashi T, Imamura T. Shortage of Pediatricians in Japan: a Longitudinal Analysis Using Physicians’ Survey Data.  Pediatrics International 2009;51(5):645-9.
  11. Ide H, Koike S, Kodama T, Yasunaga H, Imamura T. The distribution and transitions of physicians in Japan: a 1974–2004 retrospective cohort study.  Human Resources for Health 2009;7:73.
  12. Koike S, Yasunaga H, Matsumoto S, Ide H, Kodama T, Imamura T. A future estimate of physician distribution in hospitals and clinics in Japan.  Health Policy 2009;92: 244-249.
  13. Koike S, Matsumoto S, Kodama T, Ide H, Yasunaga H, Imamura T. Estimation of Future Physician Supply by Specialty and the Distribution Impact of Increasing Female Physicians in Japan: Future Estimation.  BMC Health Service Research 2009;9:180.

[2008]

  1. Yasunaga H. Legal intervention against medical accidents in Japan.  Risk Management and Healthcare Policy 2008;1:39-42.
  2. Yasunaga H. The Catastrophic Collapse of Morale among Hospital Physicians in Japan.  Risk Management and Healthcare Policy 2008;1:1-6.
  3. Yasunaga H. Willingness to pay for mass screening for prostate cancer: a contingent valuation survey.  International Journal of Urology 2008;15:102-5.
  4. Yasunaga H, Imamura T, Yamaki S, Endo H. Computerizing Medical Records in Japan.  International Journal of Medical Infomatics 2008;77:708-713.
  5. Yasunaga H, Matsuyama Y, Ohe K, The Japan Neurosurgical Society. Risk-Adjusted Analyses of the Effects of Hospital and Surgeon Volumes on Postoperative Complications and the Modified Rankin Scale After Clipping of Unruptured Intracranial Aneurysms in Japan.  Neurologia Medico-Chirurgica 2008;48:531-8.
  6. Yasunaga H, Yanaihara H, Fuji K, Matsuyama Y, Deguchi N, Ohe K. Influence of Hospital and Surgeon Volumes on Operative Time, Blood Loss, and Perioperative Complications in Radical Nephrectomy.  International Journal of Urology 2008;15(8):688-693.
  7. Imamura T, Yasunaga H. Economic evaluation of prostate cancer screening with prostate-specific antigen.  International Journal of Urology 2008;15(4):285–288.
  8. Katsumura Y, Yasunaga H, Imamura T, Ohe K, Oyama H. Relationship between risk information on total colonoscopy and patient preferences for colorectal cancer screening options: Analysis using the Analytic Hierarchy Process.  BMC Health Services Research 2008;8:106.

[-2007]

  1. Yasunaga H. Risk of Authoritarianism: Fibrinogen-transmitted Hepatitis C in Japan.  Lancet 2007;370:2063-7.
  2. Yasunaga H, Ide H, Imamura T. Current disparities in the prices of medical materials between Japan and the United States: further investigation of cardiovascular medical devices.  Journal of Cardiology 2007;49:77-81.
  3. Yasunaga H, Ide H, Imamura T, Ohe K. Accuracy of economic studies on surgical site infection.  Journal of Hospital Infection 2007; 65(2): 102-7.
  4. Yasunaga H, Ide H, Imamura T, Ohe K. Price disparity of percutaneous coronary intervention devices in Japan and the United States in 2006.  Circulation Journal 2007;71(7): 1128-30.
  5. Yasunaga H, Ide H, Imamura T, Ohe K. Women’s anxieties caused by false positives in mammography screening: a contingent valuation survey.  Breast Cancer Research and Treatment 2007;101 (1): 59-64.
  6. Ide H, Yasunaga H, Imamura T, Ohe K. Price differences between Japan and the US for medical materials and how to reduce them.  Health Policy 2007;82(1):71-7.
  7. Imamura T, Ide H, Yasunaga H. History of public health crises in Japan.  Journal of Public Health Policy 2007; 28(2): 221-37
  8. Yasunaga H, Ide H, Imamura T, Ohe K. Benefit evaluation of mass screening for prostate cancer: willingness-to-pay measurement using contingent valuation.  Urology 2006;68:1046-50.
  9. Yasunaga H, Ide H, Imamura T, Ohe K. Influence of Japan’s new Diagnosis Procedure Combination-based payment system on the surgical sector: Does it Really Shorten the Hospital Stay?  Surgery Today 2006; 36 (7): 577-85.
  10. Yasunaga H, Ide H, Imamura T, Ohe K. Analysis of factors affecting willingness to pay for cardiovascular disease-related medical services. International Heart Journal 2006; 47(2): 273-286.
  11. Yasunaga H, Ide H, Imamura T, Ohe K. The measurement of willingness to pay for mass cancer screening with whole-body PET (positron emission tomography).  Annals of Nuclear Medicine 2006; 20(7): 457-62.
  12. Yasunaga H, Ide H, Imamura T, Ohe K. Willingness to pay for health care services in common cold, retinal detachment, and myocardiac infarction: an Internet survey in Japan.  BMC Health Services Research 2006; 6: 12.
  13. Yasunaga H, Ide H, Imamura T, Ohe K. Impact of the Japanese Diagnosis Procedure Combination-based payment system on cardiovascular medicine-related costs. International Heart Journal 2005; 46(5): 855-66.

執筆

 著書

  1. 今村知明,康永秀生,井出博生:医療経営学.第2版,医学書院,2011
  2. 康永秀生.「前立腺がん検診の経済評価」 日本泌尿器科学会編:前立腺がん検診ガイドライン 2008年度版.初版,金原出版,2008, pp37-39.
  3. 康永秀生.必ずアクセプトされる医学英語論文―完全攻略50の鉄則,金原出版,2016
  4. 康永秀生.できる!臨床研究 最短攻略50の鉄則.金原出版.2017
  5. 康永秀生.健康の経済学.中央経済社.2018

 総説

  1. 康永秀生.国立大学病院経営の課題と展望.医学のあゆみ 2008;226(12):1077-82.
  2. 康永秀生,, 今村知明.前立腺がん検診の医療経済評価.泌尿器外科 2008;21(12):1593-1596.
  3. 康永秀生.医療材料の内外価格差:最近の変化と今後の対策.医療と社会 2009;19(1):15-25.
  4. 康永秀生.薬害C型肝炎:医師の責任.ファルマシア 2009;45(1):35-40.
  5. 康永秀生,堀口裕正. DPCデータベースを用いた臨床疫学研究. 医療と社会 2010;20(1):87-96.
  6. 野口晴子、泉田信行、堀口裕正、康永秀生.診療の医学的・経済的側面に対するDPC導入によるマネジメント改善効果の実証的検証.医療と社会2010;20(1):35‐55.
  7. 康永秀生.DPCデータを応用した臨床研究. 医薬ジャーナル 2010;46(6):93-6.
  8. 康永秀生,今村知明. 前立腺がん検診の医療経済評価.総合臨床2010;59(6):1471-2
  9. 康永秀生.DPCと臨床研究. 医事業務 2011;18(389):41-45.
  10. 康永秀生.医療データベースの研究利用と社会還元. DPCデータに基づく臨床研究. 薬理と治療 2011;39(suppl-2): S191-2.
  11. 康永秀生. 医療経済から見た前立腺がん検診の効率性.腎泌予防医誌 2012;20(1):59-61.
  12. 康永秀生.医療情報データベースの活用 データベース活用事例の紹介 アカデミアの立場から DPC.薬剤疫学.17巻2号 Page163-169.(2013.02)
  13. 康永秀生,橋本 英樹.臨床研究の考え方と分析手法(第2回) 仮説の構築. 整形・災害外科.56巻9号 Page1026-1027.(2013.08)
  14. 康永秀生,橋本 英樹.臨床研究の考え方と分析手法(第3回) 疫学の基礎. 整形・災害外科.56巻10号 Page1218-1219.(2013.09)
  15. 康永秀生,橋本 英樹.臨床研究の考え方と分析手法(第4回) 臨床疫学研究のデザイン. 整形・災害外科.56巻11号 Page1334-1335.(2013.1)
  16. 康永秀生, 橋本 英樹.臨床研究の考え方と分析手法(第5回) 統計学の基本的役割. 整形・災害外科.56巻12号 Page1434-1435.(2013.11)
  17. 康永秀生.臨床研究の考え方と分析手法(第6回) 仮説の構築と文献検索. 整形・災害外科.56巻13号 Page1542-1543.(2013.12)
  18. 康永秀生.臨床研究の考え方と分析手法(第7回) データの収集(その1) サンプルサイズ. 整形・災害外科.57巻1号 Page2-3.(2014.01)
  19. 康永秀生.【医療関連データベースの充実と活用-エビデンスに基づく我が国医療の更なる発展に向けて-】 DPCデータによる臨床疫学研究の成果と課題. 医療と社会.23巻3号 Page146-152.(2014.01)
  20. 康永秀生,松居宏樹,堀口裕正,伏見清秀,松田晋哉. DPC(Diagnosis Procedure Combination)データの臨床研究利用. J UOEH(産業医科大学雑誌)2014;36(3): 191-197
  21. 康永 秀生 臨床研究の考え方と分析手法(第10回) Table 1を作成する       整形・災害外科57巻4号 Page344-345(2014.04)
  22. 康永 秀生 臨床研究の考え方と分析手法(第11回) 多変量解析の注意点    整形・災害外科57巻5号 Page470-471(2014.05)
  23. 康永 秀生 臨床研究の考え方と分析手法(第12回)(最終回) 傾向スコア分析(propensity score analysis)        整形・災害外科57巻7号 Page844-845(2014.06)
  24. 康永 秀生 臨床疫学論文の書き方(第1回) 医学論文を書くための準備(I)  整形・災害外科57巻8号 Page1045-1049(2014.07)
  25. 康永 秀生 臨床疫学論文の書き方(第2回) 医学論文を書くための準備(II)              整形・災害外科57巻9号 Page1157-1161(2014.08)
  26. 康永 秀生 臨床疫学論文の書き方(第3回) Titleの書き方  整形・災害外科57巻10号 Page1283-1288(2014.09)
  27. 康永 秀生 臨床疫学論文の書き方(第4回) Abstractの書き方         整形・災害外科57巻11号 Page1461-1467(2014.10)
  28. 康永 秀生 臨床疫学論文の書き方(第5回) Introductionの書き方  整形・災害外科57巻12号 Page1615-1619(2014.11)
  29. 康永 秀生 臨床疫学論文の書き方(第6回) Methodsの書き方        整形・災害外科57巻13号 Page1741-1746(2014.12)
  30. 康永 秀生 臨床疫学論文の書き方(第7回) Resultsの書き方           整形・災害外科58巻1号 Page81-86(2015.01)
  31. 康永 秀生 臨床疫学論文の書き方(第8回) Discussionの書き方     整形・災害外科58巻2号 Page209-214(2015.02)
  32. 康永 秀生 臨床疫学論文の書き方(第9回) 投稿から掲載まで(I)    整形・災害外科58巻3号 Page331-338(2015.03)
  33. 康永 秀生 臨床疫学論文の書き方(第10回) 投稿から掲載まで(II)              整形・災害外科58巻4号 Page463-468(2015.04)
  34. 康永 秀生 臨床疫学論文の書き方(第11回) 査読コメントの書き方            整形・災害外科58巻6号 Page795-800(2015.05)
  35. 康永 秀生 五苓散の医療経済学的検討. 漢方医薬学雑誌 23巻2号 Page50-51(2015.09)
  36. 康永 秀生.ビッグデータと医療 DPCデータを用いた臨床研究とヘルスサービスリサーチ.実験医学 34巻5号 Page805-809(2016.03)
  37. 康永 秀生大規模データベースを用いた臨床疫学研究.神経内科 84巻6号 Page562-566(2016.06)
  38. 康永 秀生 医療データベースの現状と課題 Diagnosis Procedure Combination. 薬理と治療 44巻1 Pages8-s11(2016.05)
  39. 康永 秀生 DPCデータによる臨床疫学研究の成果と今後の課題. 医療と社会 26巻1号 Page7-14(2016.04)
  40. 康永 秀生 DPCデータを用いた外科臨床研究. 外科 78巻5号 Page465-468(2016.05)
  41. 康永 秀生 【進化するDPC】 DPCデータを用いた臨床研究. 病院 75巻2号 Page130-133(2016.02)
  42. 康永 秀生.医療ビッグデータとは.Medical Practice 33巻12号 Page2006-2008(2016.12)
  43. 康永 秀生.【精神科臨床医と研究臨床疫学研究の意義を考える】 臨床疫学研究に必要な統計基礎知識.精神科 29巻6号 Page504-508(2016.12)
  44. 康永 秀生.【高齢者医療と漢方薬】 高齢者医療における漢方薬の医療経済的検討.漢方医学 40巻4号 Page221-224(2016.11)
  45. 康永 秀生.【ロコモをめぐる最近の話題】 ロコモティブシンドロームと医療経済.Loco Cure2巻4号 Page316-319(2016.11)
  46. 康永 秀生.【医療経済の現状分析と将来】 基礎医学とのダイアローグ 我が国の医療ビッグデータと活用環境.THE LUNG-perspectives 25巻3号 Page289-292(2017.08)
  47. 康永 秀生.【フレイルに対する漢方医学の果たす役割】 漢方医学がこれからの医療に果たす役割 漢方薬による医療費抑制効果.Progress in Medicine 37巻2号 Page217-220(2017.02)

 研究費事業実施実績

年度 研究事業名 研究課題名 研究代表者 役割
平成17-18年度 文部科学研究費・若手研究B 日本の医療保険制度が平均在院日数に及ぼす影響についての研究 康永 秀生 研究代表者
平成18-19年度 厚生労働科研費(政策科学推進研究事業) 医師のキャリアパスを踏まえた動態把握のあり方及びその有効活用に関する研究 今村 知明 分担研究者
平成18-19年度 厚生労働科研費(政策科学推進研究事業) 外科手術のアウトカム要因の解析と評価方法に関する研究 大江 和彦 分担研究者
平成18年度 財団法人医療科学研究所研究助成 新しいがん検診の費用便益分析 康永 秀生 主任研究者
平成18年度 厚生労働科研費(特別研究事業) 我が国の病院におけるIT化の現状と課題に関する研究 遠藤 弘良 分担研究者
平成19年度 厚生労働科研費(地域健康危機管理研究事業) 通信連絡機器を活用した健康危機情報をより迅速に収集する体制の構築及びその情報の分析評価に関する研究 今村 知明 分担研究者
平成19-21年度 厚生労働科研費(政策科学推進研究事業) 包括支払い方式が医療経済および医療提供体制に及ぼす影響に関する研究 松田 晋哉 分担研究者
平成20-21年度 厚生労働科研費(地域医療基盤開発推進研究事業) 医師のキャリアパスを踏まえた地域偏在等の動態分析および医師需給の適正化に関する研究 今村 知明 分担研究者
平成21年度 厚生労働科研費(地域医療基盤開発推進研究事業) 医師と医療関係職種等との連携や勤務形態のあり方に関する研究 永井 良三 研究分担者
平成22-23年度 厚生労働科研費(政策科学推進研究事業) 診断群分類の精緻化とそれを用いた医療評価の方法論開発に関する研究 伏見 清秀 研究分担者
平成22-23年度 厚生労働科研費(地域医療基盤開発推進研究事業) 専門医制度に関する研究 小池 創一 研究分担者
平成24年度 厚生労働科研費(政策科学推進研究事業) 診断群分類を用いた急性期医療、亜急性期医療、外来医療の評価手法開発に関する研究 伏見 清秀 研究分担者
平成22-24年度 文部科学省科学研究費補助金(基盤研究(B)) 日本版診断群分類(DPC)データベースを活用した臨床疫学研究 康永秀生 研究代表者
平成25年度 厚生労働科研費(政策科学推進研究事業) 我が国の医療資源の必要量の定量とその適正配分から見た医療評価の在り方に関する研究 伏見 清秀 研究分担者
平成25年度 厚生労働科研費(地域医療基盤開発推進研究事業) 専門医の地域分布に関する研究 小池 創一 研究分担者
平成26‐28年度 厚生労働科研費(地球規模保健課題推進研究事業) エビデンスに基づく日本の保健医療制度の実証的分析 渋谷健司 研究分担者
平成26年度 厚生労働科研費(政策科学推進研究事業) 診断群分類の持続的な精緻化に基づく医療機能および医療資源必要量の適正な評価のあり方に関する研究 伏見清秀 研究分担者
平成26-27 年度 厚生労働科研費(統計情報総合研究事業) 医師・歯科医師・薬剤師調査や医療施設調査等を用いた医師確保対策に関する研究 小池 創一 研究分担者
平成27-29年度 文部科学研究費補助金・基盤研究C 医療ビッグデータのプライバシー保護ロジスティック回帰の研究 菊池浩明 研究分担者
平成27年度 厚生労働科研費(地球規模保健課題推進研究事業) 持続可能かつ公平なユニバーサル・ヘルス・カバレッジ(UHC)の実現と我が国の国際貢献に関する研究 渋谷健司 研究分担者
平成27年度 厚生労働科研費(政策科学推進研究事業) 急性期、回復期を含む医療機能に応じた患者の病態評価と医療資源配分のあり方に関する研究 伏見清秀 研究分担者
平成27-28年度 厚生労働科研費(政策科学推進研究事業)
:戦略研究
大規模データを用いた運動器疾患・呼吸器疾患・がん・脳卒中等の臨床疫学・経済分析 康永秀生 研究代表者
平成28-30年度 厚生労働科学研究・地域医療基盤開発推進事業研究 病床機能の分化・連携や病床の効率的利用等のために必要となる実施可能な施策に関する研究 今村知明 研究分担者
平成28年度 厚生労働行政推進調査事業費・政策科学推進研究事業 診断軍分類を用いた外来機能、アウトライヤー評価を含む病院機能評価手法とセキュアなデータベース利活用法の開発に関する研究 伏見清秀 研究分担者
平成28-30年度 厚生労働科学研究・臨床研究等ICT基盤構築研究事業 周産期関連の医療データベースのリンケージの研究 森臨太郎 研究分担者
平成28年度 厚生労働科学研究費補助金・地球規模保健課題解決推進のための行政施策に関する研究事業 伊勢志摩G7サミットとそのフォローアップにおける我が国の国際保健政策に関する研究 渋谷健司 研究分担者
平成28-29年度 日本医療研究開発機構循環器疾患・糖尿病等生活習慣病対策実用化研究事業 糖尿病における診療の質評価と地域医療連携評価に関する研究 野田光彦 研究分担者
平成28-29年度 日本医療研究開発機構地域横断的ICT 活用医療推進研究事業 レセプト等の大規模電子診療情報を活用した薬剤疫学研究を含む医療パフォーマンス評価に関する研究 今村知明 研究分担者
平成29年度 日本医療研究開発機構 臨床研究等ICT 基盤構築研究事業 新たなエビデンス創出のための次世代NDBデータ研究基盤構築に関する研究 黒田知宏 研究分担者
平成28‐30年度 日本医療研究開発機構 臨床研究等ICT基盤構築研究事業 SS-MIX2規格による大規模診療データ収集と利活用に関する研究 山本隆一 研究分担者
平成29‐30年度 厚生労働行政推進調査事業費補助金(地域医療基盤開発推進研究事業) ニーズに基づいた専門医の養成に係る研究 小池創一 研究分担者
平成29年度 厚生労働行政推進調査事業費補助金政策科学総合研究事業(政策科学推進研究事業) 診断群分類を用いた病院機能評価手法とデータベース利活用手法の開発に関する手法 伏見清秀 研究分担者
平成29-31年度 文部科学研究費補助金・基盤研究B DPCデータと検査値の統合データベースを用いた医療サービスの有効性と質の評価 康永秀生 研究代表者
平成29-30年度 厚生労働科学研究費補助金(政策科学総合研究事業(臨床研究等ICT基盤構築・人工知能実装研究事業) 保健医療介護現場の課題に即したビッグデータ解析を実践するための臨床疫学・統計・医療情報技術を磨く高度人材育成プログラムの開発と検証に関する研究 康永秀生 研究代表者
平成30年度 厚生労働行政推進調査事業費補助金政策科学総合研究事業(政策科学推進研究事業) 診断群分類を用いた急性期等の入院医療の評価とデータベース利活用に関する研究 伏見清秀 研究分担者
平成30年度 厚生労働行政推進調査事業 政策科学総合研究事業(政策科学推進研究事業 大規模データを用いた漢方製剤のアウトカム評価および費用分析に関する研究 康永秀生 研究代表者

論文誌編集・査読

論文誌編集委員
Journal of Epidemiology

Ad-hoc reviewer
Applied Health Economics & Health Policy
Biology of Sex Differences
BMC Health Services Research
BMC Public Health
British Journal of Cancer
British Journal of Surgery
British Medical Journal
Clinical Epidemiology
Clinical Medicine Insights: Case Reports
European Journal of Nuclear Medicine and Molecular Imaging
Frontier in Medicine
Health Policy
Hepatology Research
Infection
International Journal of Health Geographics
International Journal of Urology
Japanese Journal of Infectious Diseases
Japanese Journal of Ophthalmology
Journal of Cardiology
Journal of Clinical Epidemiology
Journal of Evaluation in Clinical Practice
Journal of Occupational Health
Mayo Clinic Proceedings
Nutrition
Oncotarget
Open Journal of Internal Medicine
Pharmacoeconomics
Pharmacoepidemiology and Drug Safety
PLoS Neglected Tropical Diseases
Public Health
Radiological Physics and Technology
Sleep
Tohoku Journal of Experimental Medicine
World Journal of Surgery
The Lancet