Gastroenterological Surgery

Staff

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Prof. OKANO

Current Research Projects

  • Evaluation of blood flow by ICG fluorescence in strangulated bowel obstruction: a multicenter prospective observational study.
  • A study on the outcomes of preoperative chemoradiotherapy and posttreatment pancreatectomy for pancreatic cancer in elderly patients over 80 years old.
  • A Study of postoperative recurrence forms in pancreatectomy after preoperative chemoradiotherapy for resectable and borderline resectable pancreatic cancer.
  • Differences in clinical characteristics of pancreatic head lesions and pancreatic body tail lesions after preoperative chemoradiotherapy for resectable pancreatic cancer.
  • Association of changes in nutritional indices with surgical outcome and prognosis after preoperative chemoradiotherapy for resectable and resectable borderline pancreatic cancer.
  • A study on the outcomes of pancreaticoduodenectomy after preoperative chemoradiotherapy for pancreatic cancer in elderly patients over 75 years old.
  • Therapeutic targets based on multilayer omics analysis of duodenal papillary carcinoma.
  • A retrospective observational study on the usefulness of transperineal minimally invasive surgery :TpMIS in perineal rectal amputation for rectal cancer.
  • Pathophysiology of pancreatic neuroendocrine tumors using metabolome analysis.
  • A study of cases of portal vein complication resection in pancreaticoduodenectomy.
  • A study on the occurrence of acute cholangitis after pancreaticoduodenectomy and treatment outcome.

Recent Publications

Hepato-Biliary-Pancreatic Diseases
    Relationships between postoperative recurrences and standardized uptake value on 18F-fluorodeoxyglucose-positron emission tomography in patients with resectable and borderline resectable pancreatic ductal adenocarcinoma who underwent curative pancreatic resection after neoadjuvant chemoradiotherapy
  • Takahashi , Toru Shibata , Hideki Kamada , Hideki Kobara , Hiroyuki Okuyama , Tomohiro Hirao , Kensuke Kumamoto , Keiichi Okano Pancreatology 2024 Nov;24(7):1133-1140. doi: 10.1016/j.pan.2024.08.010. Epub 2024 Aug 13.

      Prognostic Significance of 18F-FDG PET/CT and Tumor Metabolic Changes in Patients
      With Pancreatic Ductal Adenocarcinoma
  • Ayaka Shimomura , Minoru Oshima , Hironobu Suto , Hiroyuki Matsukawa , Akihiro Kondo , Yasuhisa Ando , Takayoshi Kishino , Kensuke Kumamoto , Kiyotoshi Sato , Masahiro Sugimoto , Mina Nagao , Nobuyuki Miyatake , Takashi Norikane , Tomoyoshi Soga , Keiichi Okano Anticancer Res. 2024 Aug;44(8):3321-3330. doi: 10.21873/anticanres.17151.
Gastrointestinal Diseases
    Transperineal minimally invasive surgery during laparoscopic abdominoperineal resection for low rectal cancer could improve short-term outcomes: A single-institution retrospective cohort study
  • Kondo A, Yokota N, Kobayashi N, Feng D, Asano E, Kumamoto K, Kobara H,Okano K Langenbecks Arch Surg. 2024 Oct 4;409(1):297. doi: 10.1007/s00423-024-03493-8.

Contact Information

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