山本 博之

研究成果

年別の研究成果 2011 2021

• 145 被引用数
• 7 h-index
• 29 Article
• 2 Review article
• 1 Letter

年別の研究成果

年別の研究成果

検索結果

• 2020

  Association of surgeon and hospital volume with postoperative mortality after total gastrectomy for gastric cancer: data from 71,307 Japanese patients collected from a nationwide web-based data entry system

  Iwatsuki, M., Yamamoto, H., Miyata, H., Kakeji, Y., Yoshida, K., Konno, H., Seto, Y. & Baba, H., 2020, (Accepted/In press) In: Gastric Cancer.

  研究成果: Article › 査読

  • Gastrectomy
  • Stomach Neoplasms
  • Surgeons
  • Mortality
  • Low-Volume Hospitals

• Can Minimally Invasive Esophagectomy Replace Open Esophagectomy for Esophageal Cancer? Latest Analysis of 24,233 Esophagectomies From the Japanese National Clinical Database

  Yoshida, N., Yamamoto, H., Baba, H., Miyata, H., Watanabe, M., Toh, Y., Matsubara, H., Kakeji, Y. & Seto, Y., 2020 7 1, In: Annals of surgery. 272, 1, p. 118-124 7 p.

  研究成果: Article › 査読

  • Esophagectomy
  • Esophageal Neoplasms
  • Databases
  • Mortality
  • Morbidity
  8 被引用数 (Scopus)

• Clinical impact of Endoscopic Surgical Skill Qualification System (ESSQS) by Japan Society for Endoscopic Surgery (JSES) for laparoscopic distal gastrectomy and low anterior resection based on the National Clinical Database (NCD) registry

  Akagi, T., Endo, H., Inomata, M., Yamamoto, H., Mori, T., Kojima, K., Kuroyanagi, H., Sakai, Y., Nakajima, K., Shiroshita, H., Etoh, T., Saida, Y., Yamamoto, S., Hasegawa, H., Ueno, H., Kakeji, Y., Miyata, H., Kitagawa, Y. & Watanabe, M., 2020 11, In: Annals of Gastroenterological Surgery. 4, 6, p. 721-734 14 p.

  研究成果: Article › 査読

  Open Access

  • Gastrectomy
  • Laparoscopy
  • Japan
  • Registries
  • Surgeons
  1 被引用数 (Scopus)

• Contemporary outcomes of surgical aortic valve replacement in Japan

  Japan Cardiovascular Surgery Database Organization, 2020, In: Circulation Journal. 84, 2, p. 277-282 6 p.

  研究成果: Article › 査読

  Open Access

  • Aortic Valve
  • Surgical Instruments
  • Japan
  • Transcatheter Aortic Valve Replacement
  • Bioprosthesis
  3 被引用数 (Scopus)

• Current status of surgery for clinical stage IA lung cancer in Japan: analysis of the national clinical database

  Ikeda, N., Endo, S., Fukuchi, E., Nakajima, J., Yokoi, K., Chida, M., Date, H., Iwasaki, A., Yokomise, H., Sato, M., Okumura, M., Yamamoto, H., Miyata, H. & Kondo, T., 2020 12, In: Surgery today. 50, 12, p. 1644-1651 8 p.

  研究成果: Article › 査読

  Open Access

  • Thoracotomy
  • Video-Assisted Thoracic Surgery
  • Japan
  • Lung Neoplasms
  • Databases
  2 被引用数 (Scopus)

• Definition of the objective threshold of pancreatoduodenectomy with nationwide data systems

  Nakata, K., Yamamoto, H., Miyata, H., Kakeji, Y., Seto, Y., Yamaue, H., Yamamoto, M. & Nakamura, M., 2020 3 1, In: Journal of Hepato-Biliary-Pancreatic Sciences. 27, 3, p. 107-113 7 p.

  研究成果: Article › 査読

  • High-Volume Hospitals
  • Data Systems
  • Pancreaticoduodenectomy
  • Low-Volume Hospitals
  • Mortality
  1 被引用数 (Scopus)

• Effect of Hospital and Surgeon Procedure Volumes on the Incidence of Intraoperative Conversion During Off-Pump Coronary Artery Bypass Grafting

  Ueki, C., Yamamoto, H., Motomura, N., Miyata, H., Sakata, R. & Tsuneyoshi, H., 2020, (Accepted/In press) In: Seminars in Thoracic and Cardiovascular Surgery.

  研究成果: Article › 査読

  • Off-Pump Coronary Artery Bypass
  • Coronary Artery Bypass
  • Surgeons
  • Incidence
  • Low-Volume Hospitals

• Guideline-based medications for older adults discharged after percutaneous coronary intervention in a suburban city of Japan: A cohort study using claims data

  Shimada, K., Hamada, S., Sawano, M., Yamamoto, H., Yoshie, S., Iijima, K. & Miyata, H., 2020, In: Tohoku Journal of Experimental Medicine. 252, 2, p. 143-152 10 p.

  研究成果: Article › 査読

  Open Access

  • Percutaneous Coronary Intervention
  • Hydroxymethylglutaryl-CoA Reductase Inhibitors
  • Prescriptions
  • Japan
  • Angiotensin Receptor Antagonists

• Impact of a board certification system and implementation of clinical practice guidelines for pancreatic cancer on mortality of pancreaticoduodenectomy

  Mizuma, M., Yamamoto, H., Miyata, H., Gotoh, M., Unno, M., Shimosegawa, T., Toh, Y., Kakeji, Y. & Seto, Y., 2020 10 1, In: Surgery today. 50, 10, p. 1297-1307 11 p.

  研究成果: Article › 査読

  Open Access

  • Pancreaticoduodenectomy
  • Certification
  • Pancreatic Neoplasms
  • Practice Guidelines
  • Mortality
  1 被引用数 (Scopus)

• Impact of adherence to board-certified surgeon systems and clinical practice guidelines on colon cancer surgical outcomes in Japan: A questionnaire survey of the National Clinical Database

  Kobayashi, H., Yamamoto, H., Miyata, H., Gotoh, M., Kotake, K., Sugihara, K., Toh, Y., Kakeji, Y. & Seto, Y., 2020 5 1, In: Annals of Gastroenterological Surgery. 4, 3, p. 283-293 11 p.

  研究成果: Article › 査読

  Open Access

  • Colectomy
  • Practice Guidelines
  • Colonic Neoplasms
  • Japan
  • Colorectal Surgery
  2 被引用数 (Scopus)

• Impact of certification status of the institute and surgeon on short-term outcomes after surgery for thoracic esophageal cancer: evaluation using data on 16,752 patients from the National Clinical Database in Japan

  Motoyama, S., Yamamoto, H., Miyata, H., Yano, M., Yasuda, T., Ohira, M., Kajiyama, Y., Toh, Y., Watanabe, M., Kakeji, Y., Seto, Y., Doki, Y. & Matsubara, H., 2020 1 1, In: Esophagus. 17, 1, p. 41-49 9 p.

  研究成果: Article › 査読

  Open Access

  • Certification
  • Esophageal Neoplasms
  • Thoracic Surgery
  • Japan
  • Surgeons
  5 被引用数 (Scopus)

• Mitral valve surgery for ischemic papillary muscle rupture: outcomes from the Japan cardiovascular surgery database

  Fujita, T., Yamamoto, H., Kobayashi, J., Fukushima, S., Miyata, H., Yamashita, K. & Motomura, N., 2020 12, In: General thoracic and cardiovascular surgery. 68, 12, p. 1439-1446 8 p.

  研究成果: Article › 査読

  Open Access

  • Papillary Muscles
  • Mitral Valve
  • Rupture
  • Japan
  • Databases

• Patient trends and outcomes of surgery for type A acute aortic dissection in Japan: An analysis of more than 10 000 patients from the Japan Cardiovascular Surgery Database

  Abe, T., Yamamoto, H., Miyata, H., Motomura, N., Tokuda, Y., Tanemoto, K., Usui, A. & Takamoto, S., 2020 4 1, In: European Journal of Cardio-thoracic Surgery. 57, 4, p. 660-667 8 p.

  研究成果: Article › 査読

  • Dissecting Aneurysm
  • Japan
  • Dissection
  • Databases
  • Mortality
  7 被引用数 (Scopus)

• Quality improvement in cardiovascular surgery: Results of a surgical quality improvement programme using a nationwide clinical database and database-driven site visits in Japan

  Yamamoto, H., Miyata, H., Tanemoto, K., Tanemoto, K., Saiki, Y., Yokoyama, H., Fukuchi, E., Motomura, N., Motomura, N., Ueda, Y., Ueda, Y., Takamoto, S. & Takamoto, S., 2020 7 1, In: BMJ Quality and Safety. 29, 7, p. 560-568 9 p.

  研究成果: Article › 査読

  • Quality Improvement
  • Japan
  • Databases
  • Coronary Artery Bypass
  • Transplants
  2 被引用数 (Scopus)

• Risk factors for bile leakage: Latest analysis of 10 102 hepatectomies for hepatocellular carcinoma from the Japanese national clinical database

  Yamashita, Y. I., Yamamoto, H., Miyata, H., Kakeji, Y., Kitagawa, Y., Yamaue, H., Yamamoto, M. & Baba, H., 2020, (Accepted/In press) In: Journal of Hepato-Biliary-Pancreatic Sciences.

  研究成果: Article › 査読

  • Hepatectomy
  • Bile
  • Hepatocellular Carcinoma
  • Odds Ratio
  • Databases

• Risk of emergency surgery for complicated appendicitis: Japanese nationwide study

  Yamada, T., Endo, H., Hasegawa, H., Kimura, T., Kakeji, Y., Koda, K., Ishida, H., Sakamoto, K., Hirata, K., Yamamoto, H., Miyata, H., Matsuda, A., Yoshida, H. & Kitagawa, Y., 2020, (Accepted/In press) In: Annals of Gastroenterological Surgery.

  研究成果: Article › 査読

  Open Access

  • Appendicitis
  • Emergencies
  • Appendectomy
  • Morbidity
  • Mortality

• Surgical aortic valve replacement for aortic stenosis in dialysis patients: Analysis of Japan cardiovascular surgery database

  Yamauchi, T., Yamamoto, H., Miyata, H., Kobayashi, J., Masai, T. & Motomura, N., 2020, In: Circulation Journal. 84, 8, p. 1271-1276 6 p.

  研究成果: Article › 査読

  Open Access

  • Aortic Valve Stenosis
  • Aortic Valve
  • Surgical Instruments
  • Dialysis
  • Japan

• Surgical outcomes in gastroenterological surgery in Japan: Report of the National Clinical Database 2011-2018

  National Clinical Database, 2020 5 1, In: Annals of Gastroenterological Surgery. 4, 3, p. 250-274 25 p.

  研究成果: Article › 査読

  Open Access

  • Japan
  • Databases
  • Esophagectomy
  • Certification
  • Esophagus
  5 被引用数 (Scopus)
• 2019

  Association of Circulatory Iron Deficiency With an Enlarged Heart in Patients With End-Stage Kidney Disease

  Hayashi, T., Tanaka, Y., Iwasaki, M., Hase, H., Yamamoto, H., Komatsu, Y., Ando, R., Ikeda, M., Inaguma, D., Sakaguchi, T., Shinoda, T., Koiwa, F., Negi, S., Yamaka, T., Shigematsu, T. & Joki, N., 2019 1, In: Journal of Renal Nutrition. 29, 1, p. 39-47 9 p.

  研究成果: Article › 査読

  • Cardiomegaly
  • Chronic Kidney Failure
  • Iron
  • Hemoglobins
  • Transferrin

• Effect of hospital and surgeon volume on postoperative outcomes after distal gastrectomy for gastric cancer based on data from 145,523 Japanese patients collected from a nationwide web-based data entry system

  Iwatsuki, M., Yamamoto, H., Miyata, H., Kakeji, Y., Yoshida, K., Konno, H., Seto, Y. & Baba, H., 2019 1 22, In: Gastric Cancer. 22, 1, p. 190-201 12 p.

  研究成果: Article › 査読

  • Gastrectomy
  • Stomach Neoplasms
  • Surgeons
  • Mortality
  • Odds Ratio
  15 被引用数 (Scopus)

• Significance of the board-certified surgeon systems and clinical practice guideline adherence to surgical treatment of esophageal cancer in Japan: a questionnaire survey of departments registered in the National Clinical Database

  Toh, Y., Yamamoto, H., Miyata, H., Gotoh, M., Watanabe, M., Matsubara, H., Kakeji, Y. & Seto, Y., 2019 10 1, In: Esophagus. 16, 4, p. 362-370 9 p.

  研究成果: Article › 査読

  Open Access

  • Guideline Adherence
  • Esophageal Neoplasms
  • Practice Guidelines
  • Esophagectomy
  • Japan
  6 被引用数 (Scopus)

• Surgical repair of post-infarction ventricular septal defect ― findings from a Japanese national database ―

  Sakaguchi, G., Miyata, H., Motomura, N., Ueki, C., Fukuchi, E., Yamamoto, H., Takamoto, S. & Marui, A., 2019, In: Circulation Journal. 83, 11, p. 2229-2235 7 p.

  研究成果: Article › 査読

  Open Access

  • Ventricular Heart Septal Defects
  • Infarction
  • Myocardial Infarction
  • Japan
  • Databases
  2 被引用数 (Scopus)
• 2018

  Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan

  Miyata, H., Mori, M., Kokudo, N., Gotoh, M., Konno, H., Wakabayashi, G., Matsubara, H., Watanabe, T., Ono, M., Hashimoto, H., Yamamoto, H., Kumamaru, H., Kohsaka, S. & Iwanaka, T., 2018 3, In: PloS one. 13, 3, e0193186.

  研究成果: Article › 査読

  • laparoscopy
  • Surgery
  • Laparoscopy
  • Japan
  • Cohort Studies
  5 被引用数 (Scopus)
• 2017

  Incidence of and risk factors for newly diagnosed hyperkalemia after hospital discharge in non-dialysis-dependent CKD patients treated with RAS inhibitors

  Saito, Y., Yamamoto, H., Nakajima, H., Takahashi, O. & Komatsu, Y., 2017 9, In: PloS one. 12, 9, e0184402.

  研究成果: Article › 査読

  • hyperkalemia
  • renin-angiotensin system
  • kidney diseases
  • Hyperkalemia
  • Angiotensins
  8 被引用数 (Scopus)
• 2015

  Dynamic subcellular localization of aquaporin-7 in white adipocytes

  Miyauchi, T., Yamamoto, H., Abe, Y., Yoshida, G. J., Rojek, A., Sohara, E., Uchida, S., Nielsen, S. & Yasui, M., 2015 2 27, In: FEBS Letters. 589, 5, p. 608-614 7 p.

  研究成果: Article › 査読

  • White Adipocytes
  • Aquaporins
  • Adipocytes
  • Intracellular Membranes
  • Lipid Metabolism
  17 被引用数 (Scopus)

• Modified cut-off value of the urine protein-to-creatinine ratio is helpful for identifying patients at high risk for chronic kidney disease: Validation of the revised Japanese guideline

  Yamamoto, H., Yamamoto, K., Yoshida, K., Shindoh, C., Takeda, K., Monden, M., Izumo, H., Niinuma, H., Nishi, Y., Niwa, K. & Komatsu, Y., 2015 10 24, In: Tohoku Journal of Experimental Medicine. 237, 3, p. 201-207 7 p.

  研究成果: Article › 査読

  • Chronic Renal Insufficiency
  • Creatinine
  • Urine
  • Guidelines
  • Proteins
  1 被引用数 (Scopus)

• Relationship between hospital volume and hemorrhagic complication after percutaneous renal biopsy: results from the Japanese diagnosis procedure combination database

  Yamamoto, H., Hashimoto, H., Nakamura, M., Horiguchi, H. & Yasunaga, H., 2015 4 1, In: Clinical and experimental nephrology. 19, 2, p. 271-277 7 p.

  研究成果: Article › 査読

  • Databases
  • Biopsy
  • Kidney
  • Odds Ratio
  • Erythrocyte Transfusion
  4 被引用数 (Scopus)
• 2014

  The total urine protein-to-creatinine ratio can predict the presence of microalbuminuria

  Yamamoto, K., Yamamoto, H., Yoshida, K., Niwa, K., Nishi, Y., Mizuno, A., Kuwabara, M., Asano, T., Sakoda, K., Niinuma, H., Nakahara, F., Takeda, K., Shindoh, C. & Komatsu, Y., 2014 3 10, In: PloS one. 9, 3, e91067.

  研究成果: Article › 査読

  • albuminuria
  • creatinine
  • urine
  • Creatinine
  • Urine
  15 被引用数 (Scopus)
• 2011

  Establishment of a method to detect microalbuminuria by measuring the total urinary protein-to-creatinine ratio in diabetic patients.

  Yamamoto, K., Komatsu, Y., Yamamoto, H., Izumo, H., Sanoyama, K., Monden, M., Takeda, K., Nakahara, F. & Yoshida, K., 2011, In: The Tohoku journal of experimental medicine. 225, 3, p. 195-202 8 p.

  研究成果: Article › 査読

  • Creatinine
  • Medical problems
  • Proteins
  • Albumins
  • Albuminuria
  4 被引用数 (Scopus)