Keisuke Okamura

Profile Information

Affiliation: Hokkaido University Hospital, Hokkaido University

Degree: 博士（医学）(北海道大学)

Researcher number: 90724401
J-GLOBAL ID: 201401062477670478
researchmap Member ID: B000240763

肝胆膵外科
内視鏡外科

Research Interests

Research Areas

Research History

Jan, 2013 - Present

Assistant professor, Gastroenterological Surgery II, Hokkaido University Hospital

Awards

Jun, 2017

Award for the Best Presentation of the Certified Expert HBP Surgeons Session, Safety techniques of right hepatectomy and caudate lobectomy with portal vein reconstruction for hilar cholangiocarcinoma, The 6th Biennaial Congress of the Asian-Pacific Hepato-Pancreato-Biliary Association

Keisuke Okamura

Papers

Clinicopathological features and prognosis of advanced biliary carcinoma centered in the cystic duct

Yoshitsugu Nakanishi, Takahiro Tsuchikawa, Keisuke Okamura, Toru Nakamura, Takehiro Noji, Toshimichi Asano, Kimitaka Tanaka, Toshiaki Shichinohe, Tomoko Mitsuhashi, Satoshi Hirano

HPB, 20(1) 28-33, Jan 1, 2018 Peer-reviewed
The surgical outcomes of totally laparoscopic stomach-partitioning gastrojejunostomy for gastric outlet obstruction: A retrospective, cohort study

Toshihiro Kushibiki, Yuma Ebihara, Koji Hontani, Kimitaka Tanaka, Yoshitsugu Nakanishi, Toshimichi Asano, Takehiro Noji, Yo Kurashima, Soichi Murakami, Toru Nakamura, Takahiro Tsuchikawa, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano

Surgical Laparoscopy, Endoscopy and Percutaneous Techniques, 28(2) e49-e53, 2018 Peer-reviewed
Delayed Gastric Emptying in Side-to-Side Gastrojejunostomy in Pancreaticoduodenectomy: Result of a Propensity Score Matching

Akio Tsutaho, Toru Nakamura, Toshimichi Asano, Keisuke Okamura, Takahiro Tsuchikawa, Takehiro Noji, Yoshitsugu Nakanishi, Kimitaka Tanaka, Soichi Murakami, Yo Kurashima, Yuma Ebihara, Toshiaki Shichinohe, Yoichi M. Ito, Satoshi Hirano

JOURNAL OF GASTROINTESTINAL SURGERY, 21(10) 1635-1642, Oct, 2017 Peer-reviewed
Laparoscopic proximal gastrectomy with oblique jejunogastrostomy

Kimitaka Tanaka, Yuma Ebihara, Yo Kurashima, Yoshitsugu Nakanishi, Toshimichi Asano, Takehiro Noji, Soichi Murakami, Toru Nakamura, Takahiro Tsuchikawa, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano

LANGENBECKS ARCHIVES OF SURGERY, 402(6) 995-1002, Sep, 2017 Peer-reviewed
5-Aminolevulinic-acid-mediated Photodynamic Diagnosis Enhances the Detection of Peritoneal Metastases in Biliary Tract Cancer in Mice.

Kushibiki T, Noji T, Ebihara Y, Hontani K, Ono M, Kuwabara S, Nakamura T, Tsuchikawa T, Okamura K, Ishizuka M, Hirano S

In vivo (Athens, Greece), 31(5) 905-908, Sep, 2017 Peer-reviewed
Thoracoscopic Esophagectomy in the Prone Position Versus the Lateral Position (Hand-assisted Thoracoscopic Surgery): A Retrospective Cohort Study of 127 Consecutive Esophageal Cancer Patients

Naoya Fukuda, Toshiaki Shichinohe, Yuma Ebihara, Yoshitsugu Nakanishi, Toshimichi Asano, Takehiro Noji, Yo Kurashima, Toru Nakamura, Soichi Murakami, Takahiro Tsuchikawa, Keisuke Okamura, Satoshi Hirano

SURGICAL LAPAROSCOPY ENDOSCOPY & PERCUTANEOUS TECHNIQUES, 27(3) 179-182, Jun, 2017 Peer-reviewed
The impact of margin status determined by the one-millimeter rule on tumor recurrence and survival following pancreaticoduodenectomy for pancreatic ductal adenocarcinoma

Takeo Nitta, Toru Nakamura, Tomoko Mitsuhashi, Toshimichi Asano, Keisuke Okamura, Takahiro Tsuchikawa, Eiji Tamoto, Soichi Murakami, Takehiro Noji, Yo Kurashima, Yuma Ebihara, Yoshitsugu Nakanishi, Toshiaki Shichinohe, Satoshi Hirano

SURGERY TODAY, 47(4) 490-497, Apr, 2017 Peer-reviewed
Impact of 3D in the training of basic laparoscopic skills and its transferability to 2D environment: a prospective randomized controlled trial

Saseem Poudel, Yo Kurashima, Yusuke Watanabe, Yuma Ebihara, Eiji Tamoto, Soichi Murakami, Toru Nakamura, Takahiro Tsuchikawa, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano

SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 31(3) 1111-1118, Mar, 2017 Peer-reviewed
Impact of elemental diet on early recovery after laparoscopic colectomy: findings of a randomized controlled trial

Toshiaki Shichinohe, Takeshi Sasaki, Shuji Kitashiro, Takayuki Morita, Koichi Ono, Naoto Senmaru, Junichi Ikeda, Tetsufumi Kojima, Noriaki Kyogoku, Hidehisa Yamada, Nagato Sato, Kentaro Kato, Soichi Murakami, Yuma Ebihara, Yo Kurashima, Eiji Tamoto, Takehiro Noji, Toru Nakamura, Keisuke Okamura, Takahiro Tsuchikawa, Satoshi Hirano

SURGERY TODAY, 47(2) 166-173, Feb, 2017 Peer-reviewed
Laparoscopic-assisted Rectus Sheath Block as a Novel Technique is Effective and Safe: A Randomized Controlled Trial

Dai Miyazaki, Toshiaki Shichinohe, Yuma Ebihara, Yo Kurashima, Soichi Murakami, Takehiro Noji, Toru Nakamura, Takahiro Tsuchikawa, Keisuke Okamura, Satoshi Hirano

SURGICAL LAPAROSCOPY ENDOSCOPY & PERCUTANEOUS TECHNIQUES, 27(1) 19-23, Feb, 2017 Peer-reviewed
Intraoperative Real-Time Assessment of Liver Function with Near-Infrared Fluorescence Imaging

Hajime Narasaki, Takehiro Noji, Hideyuki Wada, Yuma Ebihara, Takahiro Tsuchikawa, Keisuke Okamura, Eiichi Tanaka, Toshiaki Shichinohe, Satoshi Hirano

EUROPEAN SURGICAL RESEARCH, 58(5-6) 235-245, 2017 Peer-reviewed
Distal Pancreatectomy with en Bloc Celiac Axis Resection (Modified Appleby Procedure) for Locally Advanced Pancreatic Body Cancer: A Single-Center Review of 80 Consecutive Patients

Toru Nakamura, Satoshi Hirano, Takehiro Noji, Toshimichi Asano, Keisuke Okamura, Takahiro Tsuchikawa, Soichi Murakami, Yo Kurashima, Yuma Ebihara, Yoshitsugu Nakanishi, Kimitaka Tanaka, Toshiaki Shichinohe

ANNALS OF SURGICAL ONCOLOGY, 23(Suppl 5) S969-S975, Dec, 2016 Peer-reviewed
Preoperative diagnosis of portal vein invasion in pancreatic head cancer: appropriate indications for concomitant portal vein resection

Koichi Teramura, Takehiro Noji, Toru Nakamura, Toshimichi Asano, Kimitaka Tanaka, Yoshitsugu Nakanishi, Takahiro Tsuchikawa, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano

JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES, 23(10) 643-649, Oct, 2016 Peer-reviewed
Risk factors for a high Comprehensive Complication Index score after major hepatectomy for biliary cancer: a study of 229 patients at a single institution

Yoshitsugu Nakanishi, Takahiro Tsuchikawa, Keisuke Okamura, Toru Nakamura, Eiji Tamoto, Takehiro Noji, Toshimichi Asano, Toraji Amano, Toshiaki Shichinohe, Satoshi Hirano

HPB, 18(9) 735-741, Sep, 2016 Peer-reviewed
Concomitant hepatic artery resection for advanced perihilar cholangiocarcinoma: a case-control study with propensity score matching

Takehiro Noji, Takahiro Tsuchikawa, Keisuke Okamura, Kimitaka Tanaka, Yoshitsugu Nakanishi, Toshimichi Asano, Toru Nakamura, Toshiaki Shichinohe, Satoshi Hirano

JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES, 23(7) 442-448, Jul, 2016 Peer-reviewed
Prognostic impact of the site of portal vein invasion in patients with surgically resected perihilar cholangiocarcinoma

Yoshitsugu Nakanishi, Takahiro Tsuchikawa, Keisuke Okamura, Toru Nakamura, Eiji Tamoto, Soichi Murakami, Yuma Ebihara, Yo Kurashima, Takehiro Noji, Toshimichi Asano, Toshiaki Shichinohe, Satoshi Hirano

SURGERY, 159(6) 1511-1519, Jun, 2016 Peer-reviewed
A new prognostic scoring system using factors available preoperatively to predict survival after operative resection of perihilar cholangiocarcinoma

Hiroki Saito, Takehiro Noji, Keisuke Okamura, Takahiro Tsuchikawa, Toshiaki Shichinohe, Satoshi Hirano

SURGERY, 159(3) 842-851, Mar, 2016 Peer-reviewed
Totally laparoscopic gastrectomy for gastric cancer after endoscopic submucosal dissection: a propensity score matching analysis

Yuma Ebihara, Shunichi Okushiba, Yo Kurashima, Takehiro Noji, Toru Nakamura, Soichi Murakami, Eiji Tamoto, Takahiro Tsuchikawa, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano

LANGENBECKS ARCHIVES OF SURGERY, 400(8) 967-972, Dec, 2015 Peer-reviewed
Hilar cholangiocarcinoma with intratumoral calcification: A case report

Kazuho Inoko, Takahiro Tsuchikawa, Takehiro Noji, Yo Kurashima, Yuma Ebihara, Eiji Tamoto, Toru Nakamura, Soichi Murakami, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano

WORLD JOURNAL OF GASTROENTEROLOGY, 21(38) 10926-10930, Oct, 2015 Peer-reviewed
Strategic Approach to the Splenic Artery in Laparoscopic Spleen-preserving Distal Pancreatectomy

Kazuho Inoko, Yuma Ebihara, Keita Sakamoto, Noriyuki Miyamoto, Yo Kurashima, Eiji Tamoto, Toru Nakamura, Soichi Murakami, Takahiro Tsuchikawa, Keisuke Okamura, Toshiaki Shichinohe, Satoshi Hirano

SURGICAL LAPAROSCOPY ENDOSCOPY & PERCUTANEOUS TECHNIQUES, 25(4) E122-E125, Aug, 2015 Peer-reviewed

Presentations

外科漢方フォーラム

岡村圭祐

第79回日本臨床外科学会総会, Nov 25, 2017 Invited

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