OKUMURA Yasuhiro

School of Medicine Department of MedicineAssociate Professor

Research activity information

Paper

  • Percent vital capacity predicts postoperative sarcopenia after esophagectomy in initially nonsarcopenic esophageal cancer patients: a retrospective cohort study.
    Shinichiro Shiomi; Yasuhiro Okumura; Kosuke Nakane; Tetsuro Toriumi; Koichiro Kawasaki; Shoh Yajima; Koichi Yagi; Sachiyo Nomura; Yasuyuki Seto
    Surgery today, Jul. 2024
  • Gastric Cancer Surgery: Balancing Oncological Efficacy against Postoperative Morbidity and Function Detriment.
    Andrianos Tsekrekos; Yasuhiro Okumura; Ioannis Rouvelas; Magnus Nilsson
    Cancers, Apr. 2024
  • Preoperative NUn score serves as a robust predictor of overall and disease-specific survivals following radical surgery for gastric cancer.
    Masayuki Urabe; Yasuhiro Okumura; Asami Okamoto; Shoh Yajima; Koichi Yagi; Hiroharu Yamashita; Yasuyuki Seto
    Langenbeck's archives of surgery, Apr. 2024
  • Alterations in Intratumoral Immune Response before and during Early-On Nivolumab Treatment for Unresectable Advanced or Recurrent Gastric Cancer.
    Yasuyoshi Sato; Hiroharu Yamashita; Yukari Kobayashi; Koji Nagaoka; Tetsuro Hisayoshi; Takuya Kawahara; Akihiro Kuroda; Noriyuki Saito; Ryohei Iwata; Yasuhiro Okumura; Koichi Yagi; Susumu Aiko; Sachiyo Nomura; Kazuhiro Kakimi; Yasuyuki Seto
    International journal of molecular sciences, Nov. 2023
  • Lymphatic flow mapping using near-infrared fluorescence imaging with indocyanine green helps to predict lymph node metastasis intraoperatively in patients with esophageal or esophagogastric junction cancer not treated with neoadjuvant chemotherapy.
    Shinichiro Shiomi; Koichi Yagi; Ryohei Iwata; Shoh Yajima; Yasuhiro Okumura; Susumu Aikou; Hiroharu Yamashita; Sachiyo Nomura; Yasuyuki Seto
    Surgical endoscopy, Nov. 2023
  • Laparoscopic and endoscopic cooperative surgery as palliative treatment for elderly patients with gastric cancer.
    Masayuki Urabe; Yasuhiro Okumura; Asami Okamoto; Koichi Yagi; Yosuke Tsuji; Hiroharu Yamashita; Mitsuhiro Fujishiro; Yasuyuki Seto
    Nagoya journal of medical science, Nov. 2023
  • Effects of the preoperative use and dosage of steroids on postoperative complications of gastric cancer surgery.
    Motonari Ri; Tomonori Narita; Masayuki Urabe; Shuntaro Yoshimura; Shoh Yajima; Yasuhiro Okumura; Koichi Yagi; Yasuyuki Seto
    Surgery today, Oct. 2023
  • Duodenal diversion surgery in management of intractable tracheobroncho-gastric fistula after esophagectomy.
    Masayuki Urabe; Koichi Yagi; Shuntaro Yoshimura; Motonari Ri; Shoh Yajima; Yasuhiro Okumura; Yasuyuki Seto
    General Thoracic and Cardiovascular Surgery Cases, Sep. 2023
  • Combining nutritional status with TNM stage: a physiological update on gastric cancer staging for improving prognostic accuracy in elderly patients.
    Kotaro Sugawara; Hiroharu Yamashita; Masayuki Urabe; Yukari Uemura; Yasuhiro Okumura; Koichi Yagi; Susumu Aikou; Yasuyuki Seto
    International journal of clinical oncology, Dec. 2022
  • Implications of Liver-Directed Therapy for Postoperative Hepatic Metastasis from Esophageal Cancer.
    Masayuki Urabe; Koichi Yagi; Shinichiro Shiomi; Tetsuro Toriumi; Yasuhiro Okumura; Yasuyuki Seto
    Journal of chest surgery, Oct. 2022
  • Optimal criteria for predicting lymph node metastasis in esophageal squamous cell carcinoma by anatomical location using preoperative computed tomography: a retrospective cohort study.
    Shinichiro Shiomi; Shoh Yajima; Shuntaro Yoshimura; Masayuki Urabe; Motonari Ri; Yasuhiro Okumura; Koichi Yagi; Susumu Aikou; Sachiyo Nomura; Yasuyuki Seto
    Surgery today, Aug. 2022
  • Signature and Prediction of Perigastric Lymph Node Metastasis in Patients with Gastric Cancer and Total Gastrectomy: Is Total Gastrectomy Always Necessary?
    Chun-Dong Zhang; Hiroharu Yamashita; Yasuhiro Okumura; Koichi Yagi; Susumu Aikou; Yasuyuki Seto
    Cancers, Jul. 2022
  • Lymphatic invasion is a prognostic factor of pathological N0 esophageal squamous cell carcinoma.
    Tetsuro Toriumi; Koichi Yagi; Motonari Ri; Shoh Yajima; Yasuhiro Okumura; Susumu Aikou; Hiroharu Yamashita; Sachiyo Nomura; Yasuyuki Seto
    Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus, Jul. 2022
  • The type of gastrectomy affects skeletal muscle loss and the long-term outcomes of elderly patients with gastric cancer: a retrospective study using computed tomography images.
    Asami Okamoto; Susumu Aikou; Ryohei Iwata; Shuichiro Oya; Koichiro Kawasaki; Yasuhiro Okumura; Koichi Yagi; Hiroharu Yamashita; Sachiyo Nomura; Yasuyuki Seto
    Surgery today, May 2022
  • A design of forceps-type coincidence radiation detector for intraoperative LN diagnosis: clinical impact estimated from LNs data of 20 esophageal cancer patients.
    Miwako Takahashi; Shuntaro Yoshimura; Sodai Takyu; Susumu Aikou; Yasuhiro Okumura; Koichi Yagi; Masashi Fukayama; Toshimitsu Momose; Yasuyuki Seto; Taiga Yamaya
    Annals of nuclear medicine, Mar. 2022
  • Survival Prediction Capabilities of Preoperative Inflammatory and Nutritional Status in Esophageal Squamous Cell Carcinoma Patients.
    Kotaro Sugawara; Koichi Yagi; Yasuhiro Okumura; Susumu Aikou; Hiroharu Yamashita; Yasuyuki Seto
    World journal of surgery, Mar. 2022
  • Identifying multiple swollen lymph nodes on preoperative computed tomography is associated with poor prognosis along with pathological extensive nodal metastasis in locally advanced gastric cancer.
    Motonari Ri; Hiroharu Yamashita; Wataru Gonoi; Yasuhiro Okumura; Koichi Yagi; Susumu Aikou; Yasuyuki Seto
    European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, Feb. 2022
  • Palliative distal gastrectomy offers no survival benefit over gastrojejunostomy for gastric cancer with outlet obstruction: retrospective analysis of an 11-year experience
    Yasuhiro Okumura; Hiroharu Yamashita; Susumu Aikou; Koichi Yagi; Yukinori Yamagata; Masato Nishida; Kazuhiko Mori; Sachiyo Nomura; Joji Kitayama; Toshiaki Watanabe; Yasuyuki Seto
    WORLD JOURNAL OF SURGICAL ONCOLOGY, Nov. 2014, Refereed, Not invited

Lectures, oral presentations, etc.

  • 当院におけるpN0症例の予後についての検討
    奥村康弘; 村石龍; 島本直明; 須田寛士; 成宮孝祐; 岡村行泰
    第54回胃外科術後障害研究会, Nov. 2024, Not invited