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Author

Kohsaku Ohnishi

Observed name: K Ohnishi
Observed institution: Osaka Rosai Hospital
ORCID: 0009-0003-1260-5728
Observed ORCID: 0009-0003-1260-5728
OpenAlex ID: A5084411802
Oral Zinc Supplementation Decreases the Risk of HCC Development in Patients With HCV Eradicated by DAA
2021 · Atsushi Hosui, Takashi Tanimoto, et al. · Hepatology Communications · 14
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Laparotomy-assisted transcatheter variceal embolization for bleeding jejunal varices formed at the site of choledochojejunostomy
2020 · Masaki Wakasugi, Masanori Tsujie, et al. · International Journal of Surgery Case Reports · 8
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Impact of Serum Albumin Levels on Prognosis and Recurrence in Patients with Hepatocellular Carcinoma
2025 · Naoko Hayata, Atsushi Hosui, et al. · Cancers · 7
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Early Administration of Tolvaptan Can Improve Survival in Patients with Cirrhotic Ascites
2021 · Atsushi Hosui, Takafumi Tanimoto, et al. · Journal of Clinical Medicine · 4
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Efficacy of Adding Locoregional Therapy in ATZ/BEV-Treated Patients with Stable HCC
2025 · Atsushi Hosui, Naoko Hayata, et al. · Cancers · 3
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Significance of in vitro photodynamic cytodiagnosis with 5-aminolevulinic acid in biliary brush cytology for malignant biliary stricture
2022 · Motohiro Hirao, Atsushi Hosui, et al. · Photodiagnosis and Photodynamic Therapy · 2
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Successful Management of a Completely Disconnected Bile Leak After Hepatectomy Using Endoscopic Ultrasound‐Guided Transluminal Drainage of a Biloma: A Case Report
2026 · Tatsuki Tanaka, Kohsaku Ohnishi, et al. · DEN Open
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Association Between CT Attenuation and Mechanical Basket Lithotripsy Failure in Common Bile Duct Stones: A Single-Centre Retrospective Exploratory Study
2026 · Takafumi Tanimoto, Kohsaku Ohnishi, et al. · Journal of Clinical Medicine
The effect of spiral basket geometry on procedural efficiency and device escalation in small bile duct stones: a multicenter randomized controlled trial (ESCAPE trial)
2026 · Takeshi Ogura, Kohsaku Ohnishi, et al. · Endoscopy
Bile Reflux is a Risk Factor for Metachronous Development in Patients with Early Gastric Cancer
2026 · Hiroki Murai, Takuya Yamada, et al. · Endoscopy International Open
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The Importance of the Gel Immersion Method to Successfully Identify the Jejunojejunal Anastomosis Site After Roux‐Y Reconstruction With Double‐Balloon Enteroscopy‐assisted Endoscopic Retrograde Cholangiopancreatography: A Case Report
2026 · Koki Nagano, Kohsaku Ohnishi, et al. · DEN Open
Novel Closure Technique With Double‐Balloon Endoscopy‐Guided Embolization by Gelatin Sponge and Clip Suturing for Postoperative Enterocutaneous Fistula With Bile Leakage
2026 · Yuki Ito, Hiroshi Yukimoto, et al. · DEN Open
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Embolization by Gelatin Sponge for Tract Closure After Inappropriate Procedure of Percutaneous Endoscopic Gastrostomy: Safe Management of Hepatic Injury After Transhepatic Placement
2025 · Hiroshi Yukimoto, Kohsaku Ohnishi, et al. · DEN Open
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Rupture of Life‐Threatening Hepatic Artery Pseudoaneurysm After Endoscopic Ultrasonography‐guided Hepaticogastrostomy: Successful Management With Emergency Transcatheter Arterial Embolization
2025 · Hiroshi Yukimoto, Akino Okamoto, et al. · DEN Open
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Bile reflux is a risk factor for metachronous recurrence in patients with early gastric cancer
2025 · H Murai, T Yamada, et al. · Endoscopy
Percutaneous transhepatic endoscopic necrosectomy for infected hepatic necrosis
2023 · Tomohide Kurahashi, Kohsaku Ohnishi, et al. · Gastrointestinal Endoscopy
A case of infectious pancreatic necrosis after aortic aneurysm surgery effectively treated by trans accessory papillary drainage
2016 · Naoki Okuyama, Kohsaku Ohnishi, et al. · Pancreatology
Works count: 17
Citation count: 38
H-index: 4
I10-index: 1
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