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Koichiro Mandai

Observed names: K Mandai, K. Mandai, Mandai Koichiro
ORCID: 0000-0002-3039-2303
Observed ORCID: 0000-0002-3039-2303
OpenAlex ID: A5071289993
Examination time as a quality indicator of screening upper gastrointestinal endoscopy for asymptomatic examinees
2017 · Takuji Kawamura, Hironori Wada, et al. · Digestive Endoscopy · 86
Feasibility of Underwater Endoscopic Mucosal Resection for Colorectal Lesions: A Single Center Study in Japan
2018 · Takuji Kawamura, Hiroaki Sakai, et al. · Gastroenterology Research · 41
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Adverse events of self-expandable metal stent placement for malignant distal biliary obstruction: a large multicenter study
2023 · Takashi Tamura, Takuo Yamai, et al. · Gastrointestinal Endoscopy · 40
Clinical usefulness of a short‐type, prototype single‐balloon enteroscope for endoscopic retrograde cholangiopancreatography in patients with altered gastrointestinal anatomy: P reliminary experiences
2014 · Takuji Kawamura, Koji Uno, et al. · Digestive Endoscopy · 38
Does a Family History of Pancreatic Ductal Adenocarcinoma and Cyst Size Influence the Follow-up Strategy for Intraductal Papillary Mucinous Neoplasms of the Pancreas?
2014 · Koichiro Mandai, Koji Uno, et al. · Pancreas · 37
Fully covered metal stents vs plastic stents for preoperative biliary drainage in patients with resectable pancreatic cancer without neoadjuvant chemotherapy: A multicenter, prospective, randomized controlled trial
2021 · Koichiro Mandai, Takayoshi Tsuchiya, et al. · Journal of Hepato-Biliary-Pancreatic Sciences · 26
Accuracy of Endoscopic Ultrasonography for Determining the Treatment Method for Early Gastric Cancer
2012 · Koichiro Mandai, Kenjiro Yasuda · Gastroenterology Research and Practice · 25
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Endoscopic ultrasound-guided drainage of postoperative intra-abdominal abscesses
2015 · Koichiro Mandai, Koji Uno, et al. · World Journal of Gastroenterology · 18
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Does Single-Balloon Enteroscopy Contribute to Successful Endoscopic Retrograde Cholangiopancreatography in Patients with Surgically Altered Gastrointestinal Anatomy?
2013 · Takuji Kawamura, Koichiro Mandai, et al. · ISRN Gastroenterology · 17
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Management of ERCP-related perforation: a large multicenter study
2024 · Tomoya Emori, Tomoaki Yamasaki, et al. · Gastrointestinal Endoscopy · 14
Association between hyperechogenic pancreas and pancreatic ductal adenocarcinoma concomitant with intraductal papillary mucinous neoplasms
2019 · Koichiro Mandai, Koji Uno, et al. · Journal of Medical Ultrasonics · 14
Risk of colorectal cancer for fecal immunochemistry test‐positive, average‐risk patients after a colonoscopy
2018 · Takuji Kawamura, Shiho Nakamura, et al. · Journal of Gastroenterology and Hepatology · 12
Nationwide epidemiological survey of acute pancreatitis in Japan, 2021: the impact of the COVID-19 pandemic and revised clinical guidelines
2025 · Yuichi Tanaka, Atsushi Masamune, et al. · Journal of Gastroenterology · 11
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Post‐endoscopic retrograde cholangiopancreatography pancreatitis assessed using criteria for acute pancreatitis
2021 · Azumi Suzuki, Koji Uno, et al. · JGH Open · 10
Relationship Between the Intraperitoneal Stent Length in Endoscopic Ultrasound-Guided Hepaticogastrostomy and Surgically Altered Upper Gastrointestinal Anatomy in Patients With Malignant Biliary Obstruction
2018 · Koichiro Mandai, Koji Uno, et al. · Gastroenterology Research · 9
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Number of Endoscopic Retrograde Cholangiopancreatography Procedures Required for Short Biliary Cannulation Time
2017 · Koichiro Mandai, Koji Uno, et al. · Gastroenterology Research and Practice · 8
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Endoscopic Ultrasound-Guided Drainage of Intra-Abdominal Abscess after Gastric Perforation in a Patient Receiving Ramucirumab and Paclitaxel for Advanced Gastric Cancer
2017 · Koichiro Mandai, Atsushi Shirakawa, et al. · Case Reports in Oncology · 7
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Endoscopic ultrasonography in the diagnosis and treatment of a gastric wall abscess
2015 · Koichiro Mandai, Kana Amamiya, et al. · Journal of Medical Ultrasonics · 7
Safety of early oral intake after endoscopic ultrasound-guided hepaticoenterostomy
2022 · Koichiro Mandai, Takato Inoue, et al. · Surgical Endoscopy · 6
Endoscopic ultrasound-guided hepaticogastrostomy using a 6-F cystotome and 12-cm covered metal stent
2016 · Koichiro Mandai, Koji Uno, et al. · Endoscopy International Open · 6
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Comparative Evaluation of Percutaneous Transhepatic Biliary Drainage and Endoscopic Ultrasound‐Guided Biliary Drainage for Preoperative Management of Malignant Distal Bile Duct Obstruction After Failed ERCP : A Multicenter Retrospective Analysis
2025 · Masahiro Itonaga, Mamoru Takenaka, et al. · Digestive Endoscopy · 5
Successful re-intervention through stent mesh after novel antireflux covered metal biliary stent placement
2020 · Koichiro Mandai, Shiho Nakamura, et al. · Endoscopy · 5
Outcomes of a Physician-Controlled Wire-Guided Cannulation of the Bile Duct Using a Novel Sphincterotome: A Single-Center, Prospective Study
2018 · Koichiro Mandai, Koji Uno, et al. · Gastroenterology Research · 5
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Securing threads with a novel clip to prevent preceding stent migration in multiple biliary inside plastic stents
2024 · Koichiro Mandai, Shiho Nakamura · Digestive Endoscopy · 4
Cystic duct straightening using a fine‐gauge balloon dilator for successful endoscopic transpapillary gallbladder stenting
2023 · Koichiro Mandai, Takaaki Yoshimoto · Journal of Hepato-Biliary-Pancreatic Sciences · 4
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Works count: 84
Citation count: 529
H-index: 12
I10-index: 14
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