Hirotsugu Maruyama

Publication Activity (10 Years)

Years Active: 2019-2024
Publications (10 Years): 27

Top Topics

Fine Needle Aspiration

Endoscopic Submucosal Dissection

Ultrasound Guided

Top Venues

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

Journal of gastroenterology and hepatology

This page only lists publications with an associated author ORCID identifier.

Publications

Kojiro Tanoue, Hirotsugu Maruyama, Yoshinori Shimamoto, Tatsuya Kurokawa, Yuki Ishikawa-Kakiya, Akira Higashimori, Yasuhiro Fujiwara
Antegrade stenting using a new covered multi-hole metal stent for malignant biliary obstruction in surgically altered anatomy. Endoscopy 56 (S 01) (2024)
Kojiro Tanoue, Hirotsugu Maruyama, Yoshinori Shimamoto, Tatsuya Kurokawa, Yuki Ishikawa-Kakiya, Akira Higashimori, Yasuhiro Fujiwara
Antegrade stenting using a new covered multi-hole metal stent for malignant biliary obstruction in surgically altered anatomy. Endoscopy 56 (S 01) (2024)
Yoshinori Shimamoto, Hirotsugu Maruyama, Tatsuya Kurokawa, Yuki Ishikawa-Kakiya, Kojiro Tanoue, Akira Higashimori, Yasuhiro Fujiwara
Endoscopic ultrasound-guided antegrade treatment with uncovered self-expanding metal stent for malignant afferent loop syndrome-complicated cholangitis after biliary reconstruction. Endoscopy 56 (S 01) (2024)
Yoshinori Shimamoto, Hirotsugu Maruyama, Tatsuya Kurokawa, Yuki Ishikawa-Kakiya, Kojiro Tanoue, Akira Higashimori, Yasuhiro Fujiwara
Endoscopic ultrasound-guided antegrade treatment with uncovered self-expanding metal stent for malignant afferent loop syndrome-complicated cholangitis after biliary reconstruction. Endoscopy 56 (S 01) (2024)
Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, Kojiro Tanoue, Akira Higashimori, Shusei Fukunaga, Yasuhiro Fujiwara
Using gel immersion endoscopy to control duodenum spasm during endoscopic retrograde cholangiopancreatography. The American journal of gastroenterology (2024)
Yoshinori Shimamoto, Hirotsugu Maruyama, Tatsuya Kurokawa, Yuki Ishikawa-Kakiya, Kojiro Tanoue, Akira Higashimori, Yasuhiro Fujiwara
Endoscopic ultrasound-guided antegrade treatment with uncovered self-expanding metal stent for malignant afferent loop syndrome-complicated cholangitis after biliary reconstruction. Endoscopy 56 (S 01) (2024)
Akira Higashimori, Hirotsugu Maruyama, Natsumi Maeda, Yuki Ishikawa-Kakiya, Masafumi Yamamura, Kojiro Tanoue, Yasuhiro Fujiwara
Successful retrieval of a fractured migrated pancreatic stent using an endoscopic tapered sheath for severe pancreatic duct stenosis. Endoscopy 55 (S 01) (2023)
Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, Yasuhiro Fujiwara
Endoclip with traction band-assisted traction method for endoscopic retrograde cholangiopancreatography with long oral protrusion of papilla. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (2) (2023)
Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, Yasuhiro Fujiwara
Endoclip with traction band-assisted traction method for endoscopic retrograde cholangiopancreatography with long oral protrusion of papilla. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (2) (2023)
Hirotsugu Maruyama, Akira Higashimori, Natsumi Maeda, Yuki Ishikawa-Kakiya, Masafumi Yamamura, Kojiro Tanoue, Yasuhiro Fujiwara
Successful re-intervention using endoscopic ultrasound-guided drainage via an endoscopic tapered sheath for recurrent walled-off necrosis with fibrosis. Endoscopy 55 (S 01) (2023)
Shiro Hayashi, Mamoru Takenaka, Hirofumi Kogure, Takayuki Yakushijin, Yousuke Nakai, Kenji Ikezawa, Shinjiro Yamaguhci, Toshio Fujisawa, Yuzuru Tamaru, Iruru Maetani, Hirotsugu Maruyama, Satoshi Asai, Tadayuki Takagi, Koji Nagaike, Yasuki Hori, Tetsuya Sumiyoshi, Hidetaka Tsumura, Hisashi Doyama, Toshiyuki Yoshio, Kazuo Hara, Seiichiro Abe, Ichiro Oda, Motohiko Kato, Hiroko Nebiki, Tatsuya Mikami, Masanori Miyazaki, Kazuhiro Matsunaga, Makoto Hosono, Tsutomu Nishida, Satoshi Egawa, Akihiro Nishihara, Ken Ohnita, Ryuki Minami, Naoya Tada, Katsumasa Kobayashi, Masayuki Kato
A follow-up questionnaire survey 2022 on radiation protection among 464 medical staff from 34 endoscopy-fluoroscopy departments in Japan. DEN open 3 (1) (2023)
Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, Yasuhiro Fujiwara
Endoclip with traction band-assisted traction method for endoscopic retrograde cholangiopancreatography with long oral protrusion of papilla. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2023)
Natsumi Maeda, Hirotsugu Maruyama, Akira Higashimori, Masaki Ominami, Shusei Fukunaga, Yasuaki Nagami, Yasuhiro Fujiwara
Successful treatment using balloon-assisted enteroscopy for jejunal loop variceal bleeding after pancreaticoduodenectomy. Endoscopy 55 (S 01) (2023)
Natsumi Maeda, Hirotsugu Maruyama, Akira Higashimori, Masaki Ominami, Shusei Fukunaga, Yasuaki Nagami, Yasuhiro Fujiwara
Successful treatment using balloon-assisted enteroscopy for jejunal loop variceal bleeding after pancreaticoduodenectomy. Endoscopy 55 (S 01) (2023)
Hirotsugu Maruyama, Kojiro Tanoue, Tatsuya Kurokawa, Yoshinori Shimamoto, Yuki Ishikawa-Kakiya, Akira Higashimori, Yasuhiro Fujiwara
Stent-in-stent deployment above the papilla to treat malignant hepatic hilar biliary obstruction using novel fully covered multi-hole metal stent. Endoscopy 55 (S 01) (2023)
Hirotsugu Maruyama, Akira Higashimori, Natsumi Maeda, Yuki Ishikawa-Kakiya, Masafumi Yamamura, Kojiro Tanoue, Yasuhiro Fujiwara
Successful re-intervention using endoscopic ultrasound-guided drainage via an endoscopic tapered sheath for recurrent walled-off necrosis with fibrosis. Endoscopy 55 (S 01) (2023)
Hirotsugu Maruyama, Akira Higashimori, Natsumi Maeda, Yuki Ishikawa-Kakiya, Masafumi Yamamura, Kojiro Tanoue, Yasuhiro Fujiwara
Successful re-intervention using endoscopic ultrasound-guided drainage via an endoscopic tapered sheath for recurrent walled-off necrosis with fibrosis. Endoscopy 55 (S 01) (2023)
Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, Masafumi Yamamura, Kojiro Tanoue, Akira Higashimori, Shusei Fukunaga, Yasuhiro Fujiwara
A simple replacement method for a 7 Fr dedicated plastic stent in endoscopic ultrasound-guided hepaticogastrostomy. Endoscopy 55 (S 01) (2023)
Natsumi Maeda, Hirotsugu Maruyama, Akira Higashimori, Masaki Ominami, Shusei Fukunaga, Yasuaki Nagami, Yasuhiro Fujiwara
Successful treatment using balloon-assisted enteroscopy for jejunal loop variceal bleeding after pancreaticoduodenectomy. Endoscopy 55 (S 01) (2023)
Hirotsugu Maruyama, Kojiro Tanoue, Yuki Ishikawa-Kakiya, Masafumi Yamamura, Akira Higashimori, Masaki Ominami, Yuji Nadatani, Shusei Fukunaga, Koji Otani, Shuhei Hosomi, Fumio Tanaka, Noriko Kamata, Yasuaki Nagami, Koichi Taira, Go Ohira, Kenjiro Kimura, Ryosuke Amano, Yasuhiro Fujiwara
Clinical Implication of Preoperative C-Reactive Protein/Albumin Ratio in Malignant Transformation of Intraductal Papillary Mucinous Neoplasm: A Propensity Score Analysis. Diagnostics (Basel, Switzerland) 12 (2) (2022)
Hirotsugu Maruyama, Yasuaki Nagami, Yasuhiro Fujiwara
Successful diagnosis using a precutting method for intra-ampullary carcinoma of Vater. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 34 (5) (2022)
Hirotsugu Maruyama, Keiji Hanada, Akinori Shimizu, Tomoyuki Minami, Naomiti Hirano, Fumiaki Hino, Tomoyuki Abe, Hironobu Amano, Yasuhiro Fujiwara
Value of endoscopic ultrasonography in the observation of the remnant pancreas after pancreatectomy. PloS one 16 (1) (2021)
Hirotsugu Maruyama, Akira Higashimori, Natsumi Maeda, Masaki Ominami, Shusei Fukunaga, Yasuaki Nagami, Yasuhiro Fujiwara
Successful treatment using a side-viewing duodenoscope for esophagojejunal varices on the jejunal side of the anastomosis site after total gastrectomy. Endoscopy (2021)
Shiro Hayashi, Mamoru Takenaka, Hirofumi Kogure, Takayuki Yakushijin, Hirotsugu Maruyama, Yasuki Hori, Toshiyuki Yoshio, Kenji Ikezawa, Tadayuki Takagi, Satoshi Asai, Kazuhiro Matsunaga, Kengo Matsumoto, Hidetaka Tsumura, Shinjiro Yamaguchi, Tetsuya Sumiyoshi, Koji Nagaike, Yuzuru Tamaru, Kazuo Hara, Toshio Fujisawa, Ichiro Oda, Ken Ohnita, Motohiko Kato, Hiroko Nebiki, Tatsuya Mikami, Akihiro Nishihara, Satoshi Egawa, Ryuki Minami, Makoto Hosono, Tsutomu Nishida
A questionnaire survey on radiation protection among 282 medical staff from 26 endoscopy-fluoroscopy departments in Japan. DEN open 1 (1) (2021)
Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, Yosuke Kinoshita, Kappei Hayashi, Masafumi Yamamura, Kojiro Tanoue, Yasuaki Nagami, Tetsuya Tanigawa, Toshio Watanabe, Yasuhiro Fujiwara
The usefulness of serial pancreatic juice aspiration cytological examination for pancreatic cancer not diagnosed by EUS-FNAB. Clinical journal of gastroenterology 13 (6) (2020)
Hirotsugu Maruyama, Yasuaki Nagami, Yasuhiro Fujiwara
New method for fixing an endoscopic nasobiliary drainage tube in the treatment of postoperative bile leakage. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 32 (7) (2020)
Hirotsugu Maruyama, Masatsugu Shiba, Yuki Ishikawa-Kakiya, Kunihiro Kato, Masaki Ominami, Shusei Fukunaga, Koji Otani, Shuhei Hosomi, Fumio Tanaka, Noriko Kamata, Koichi Taira, Yasuaki Nagami, Hirokazu Yamagami, Tetsuya Tanigawa, Toshio Watanabe, Akira Yamamoto, Daijiro Kabata, Ayumi Shintani, Yasuhiro Fujiwara
Positive correlation between pancreatic volume and post-endoscopic retrograde cholangiopancreatography pancreatitis. Journal of gastroenterology and hepatology 35 (5) (2019)