Hiroyuki Isayama

Publication Activity (10 Years)

Years Active: 2018-2024
Publications (10 Years): 47

Top Topics

Irritable Bowel Syndrome

Endoscopic Submucosal Dissection

Helicobacter Pylori

Top Venues

Journal of clinical medicine

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

Journal of hepato-biliary-pancreatic sciences

Journal of gastroenterology and hepatology

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

Publications

Shigeto Ishii, Hiroyuki Isayama, Mitsuyoshi Suzuki, Hiroyuki Koga, Hiroyuki Isayama, Toshio Fujisawa, Toshiaki Shimizu, Atsuyuki Yamataka
Recent progress and current status of pancreatobiliary interventional endoscopic ultrasound in children. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2024)
Toshiharu Ueki, Toru Maruo, Yoshinori Igarashi, Akira Yamamiya, Keiichi Tominaga, Atsushi Irisawa, Hitoshi Yoshida, Terumi Kamisawa, Mamoru Takenaka, Hiroyuki Isayama
Role of advanced endoscopy in the management of inflammatory digestive diseases (pancreas and biliary tract). Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (5) (2024)
Yutaka Suzuki, Masao Yoshida, Toshio Fujisawa, Masaaki Shimatani, Toshio Tsuyuguchi, Toshiyuki Mori, Susumu Tazuma, Hiroyuki Isayama, Atsushi Tanaka
Assessing outcomes and complications of secondary hepatolithiasis after choledochoenterostomy: A nationwide survey in Japan. Journal of hepato-biliary-pancreatic sciences (2024)
Toshio Fujisawa, Shigeto Ishii, Yousuke Nakai, Hirofumi Kogure, Hiroyuki Isayama, Yusuke Takasaki, Koichi Ito, Sho Takahashi, Akinori Suzuki, Hiroyuki Isayama
Dedicated Echoendoscope for Interventional Endoscopic Ultrasound: Comparison with a Conventional Echoendoscope. Journal of clinical medicine 13 (10) (2024)
Tomotaka Saito, Takuji Iwashita, Shunsuke Omoto, Yousuke Nakai, Hiroyuki Isayama
When to remove a lumen-apposing metal stent for pancreatic fluid collections? Endoscopy international open 12 (8) (2024)
Toshiharu Ueki, Toru Maruo, Yoshinori Igarashi, Akira Yamamiya, Keiichi Tominaga, Atsushi Irisawa, Hitoshi Yoshida, Terumi Kamisawa, Mamoru Takenaka, Hiroyuki Isayama
Role of advanced endoscopy in the management of inflammatory digestive diseases (pancreas and biliary tract). Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (5) (2024)
Hiroyuki Isayama, Yuki Fukumura, Hiroyuki Isayama
Case of hilar cholangiocarcinoma with a distal skip lesion detected by cholangioscopy. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2024)
Hiroyuki Isayama, Yuki Fukumura, Hiroyuki Isayama
Case of hilar cholangiocarcinoma with a distal skip lesion detected by cholangioscopy. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (4) (2024)
Hiroyuki Isayama, Yuki Fukumura, Hiroyuki Isayama
Case of hilar cholangiocarcinoma with a distal skip lesion detected by cholangioscopy. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (4) (2024)
Masaharu Ishida, Tsutomu Fujii, Masashi Kishiwada, Kazuto Shibuya, Sohei Satoi, Makoto Ueno, Kohei Nakata, Shigetsugu Takano, Katsunori Uchida, Nobuyuki Ohike, Yohei Masugi, Toru Furukawa, Kenichi Hirabayashi, Noriyoshi Fukushima, Shuang-Qin Yi, Hiroyuki Isayama, Takao Itoi, Takao Ohtsuka, Takuji Okusaka, Dai Inoue, Hirohisa Kitagawa, Kyoichi Takaori, Masaji Tani, Yuichi Nagakawa, Hideyuki Yoshitomi, Michiaki Unno, Yoshifumi Takeyama
Japanese classification of pancreatic carcinoma by the Japan Pancreas Society: Eighth edition. Journal of hepato-biliary-pancreatic sciences (2024)
Takashi Murakami, Hiroyuki Isayama, Satoshi Ikeda, Norihiro Hanabata, Toshiyuki Enomoto, Toshio Kuwai, Mitsunori Ushigome, Masahide Ebi, Hideo Ohtsuka, Shungo Endo, Shuji Saito, Takeshi Ohki, Ryuichi Yamamoto, Takahisa Kayahara, Satoshi Matsumoto, Yoshihiro Sasaki, Yoshihisa Saida
A New Self-Expandable Metallic Stent with Low Axial Force and a High Axial Force Zero-Border Shows a Very Low Perforation Rate in Malignant Colorectal Obstruction: A Japanese Multicenter Prospective Study. Journal of clinical medicine 13 (17) (2024)
Hiroyuki Isayama, Yuki Fukumura, Hiroyuki Isayama
Case of hilar cholangiocarcinoma with a distal skip lesion detected by cholangioscopy. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (4) (2024)
Yousuke Nakai, Tomotaka Saito, Tsuyoshi Hamada, Tatsuya Sato, Ryunosuke Hakuta, Naminatsu Takahara, Hiroyuki Isayama, Ichiro Yasuda, Mitsuhiro Fujishiro
Controversies in endoscopic ultrasonography-guided management of walled-off necrosis. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2024)
Hiroyuki Isayama, Tsuyoshi Hamada, Toshio Fujisawa, Mitsuharu Fukasawa, Kazuo Hara, Atsushi Irisawa, Shigeto Ishii, Ken Ito, Takao Itoi, Yoshihide Kanno, Akio Katanuma, Hironari Kato, Hiroshi Kawakami, Hirofumi Kawamoto, Masayuki Kitano, Hirofumi Kogure, Saburo Matsubara, Tsuyoshi Mukai, Itaru Naitoh, Takeshi Ogura, Shomei Ryozawa, Takashi Sasaki, Masaaki Shimatani, Hideyuki Shiomi, Kazuya Sugimori, Mamoru Takenaka, Ichiro Yasuda, Yousuke Nakai, Naotaka Fujita, Kazuo Inui, null null
TOKYO criteria 2024 for the assessment of clinical outcomes of endoscopic biliary drainage. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2024)
Toshio Fujisawa, Shigeto Ishii, Yousuke Nakai, Hirofumi Kogure, Hiroyuki Isayama, Yusuke Takasaki, Koichi Ito, Sho Takahashi, Akinori Suzuki, Hiroyuki Isayama
Dedicated Echoendoscope for Interventional Endoscopic Ultrasound: Comparison with a Conventional Echoendoscope. Journal of clinical medicine 13 (10) (2024)
Toshiharu Ueki, Toru Maruo, Yoshinori Igarashi, Akira Yamamiya, Keiichi Tominaga, Atsushi Irisawa, Hitoshi Yoshida, Terumi Kamisawa, Mamoru Takenaka, Hiroyuki Isayama
Role of advanced endoscopy in the management of inflammatory digestive diseases (pancreas and biliary tract). Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2024)
Tomotaka Saito, Takuji Iwashita, Shunsuke Omoto, Yousuke Nakai, Hiroyuki Isayama
When to remove a lumen-apposing metal stent for pancreatic fluid collections? Endoscopy international open 12 (8) (2024)
Rei Ishibashi, Takashi Sasaki, Hiroyuki Isayama, Takeaki Matsuzawa, Toshio Kuwai, Tomonori Yamada, Shuji Saito, Masafumi Tomita, Toshiyasu Shiratori, Satoshi Ikeda, Hideki Kanazawa, Mitsuhiro Fujishiro, Iruru Maetani, Yoshihisa Saida
A Japanese Prospective, Multicenter Study of Colonic Stenting for Palliation Using a High Axial Force Self-Expandable Metal Stent for Malignant Large Bowel Obstruction in 200 Patients. Journal of clinical medicine 12 (15) (2023)
Seiji Futagami, Takaomi Kessoku, Yuki Kasai, Takuma Higurashi, Hirokazu Takahashi, Shuhei Agawa, Hiroshi Yamawaki, Ken Nakamura, Mayu Habiro, Rie Kawawa, Nobue Ueki, Sakura Higashida, Yoshiyuki Watanabe, Hiroshi Yamato, Takatsugu Yamamoto, Yusuke Takasaki, Koichi Ito, Mariko Hojo, Hiroyuki Isayama, Norio Motoda, Ryuji Ohashi, Kewin Tien Ho Siah, Carissa Kahmun Ng, Kok-Ann Gwee
Comparison of pancreatic enzyme abnormalities and protease-activated receptor-2-positive eosinophils in the duodenum of patients with functional dyspepsia-irritable bowel syndrome overlap with functional dyspepsia alone in Asian populations. Journal of gastroenterology and hepatology (2023)
Saburo Matsubara, Sho Takahashi, Naminatsu Takahara, Keito Nakagawa, Kentaro Suda, Takeshi Otsuka, Yousuke Nakai, Hiroyuki Isayama, Masashi Oka, Sumiko Nagoshi
Endoscopic Ultrasound-Guided Gastrojejunostomy for Malignant Afferent Loop Syndrome Using a Fully Covered Metal Stent: A Multicenter Experience. Journal of clinical medicine 12 (10) (2023)
Takumi Okuaki, Sho Takahashi, Hiroyuki Isayama
Successful electronic hydraulic lithotripsy for a stent-stone complex causing gastric output obstruction formed by an anti-migration system of a self-expandable metallic stent. Journal of hepato-biliary-pancreatic sciences (2023)
Hiroaki Shigoka, Masao Toki, Sho Takahashi, Naminatsu Takahara, Katsuya Kitamura, Eisuke Iwasaki, Kazunari Nakahara, Hiroyuki Isayama, Yousuke Nakai, Iruru Maetani
Gastroduodenal Stenting with a Flexible Stent Demonstrates Favorable Clinical Effectiveness despite Gradual Expansion: A Multicenter Prospective Study. Journal of clinical medicine 12 (3) (2023)
Hiroaki Shigoka, Masao Toki, Sho Takahashi, Naminatsu Takahara, Katsuya Kitamura, Eisuke Iwasaki, Kazunari Nakahara, Hiroyuki Isayama, Yousuke Nakai, Iruru Maetani
Gastroduodenal Stenting with a Flexible Stent Demonstrates Favorable Clinical Effectiveness despite Gradual Expansion: A Multicenter Prospective Study. Journal of clinical medicine 12 (3) (2023)
Sho Takahashi, Toshio Fujisawa, Hiroyuki Isayama
Trans-delivery system injection method for deployment of a lumen-apposing metal stent in a walled-off necrosis occupied by massive necrotic tissue. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2023)
Yusuke Takasaki, Hiroyuki Isayama, Kyoung Sub Shin, Shigeto Ishii, Toshio Fujisawa, Jong Pil Moon, Taito Fukuma, Mako Ushio, Sho Takahashi, Akinori Suzuki, Koichi Ito, Ko Tomishima
Measurement of the anchoring force of covered self-expandable and lumen-apposing metal stents for interventional endoscopic ultrasonography. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2022)
Hiroyuki Isayama, Shigeto Ishii, Hiroyuki Isayama, Toshio Fujisawa
Recent Advances in Pancreato-Biliary Endoscopic Intervention: How to Resolve Unmet Needs in Pancreato-Biliary Diseases Endoscopically. Journal of clinical medicine 11 (13) (2022)
Kensuke Kubota, Takaya Oguchi, Nao Fujimori, Kenta Yamada, Itaru Naitoh, Yoshinobu Okabe, Eisuke Iwasaki, Atsushi Masamune, Tsukasa Ikeura, Terumi Kamisawa, Dai Inoue, Teru Kumagi, Takeshi Ogura, Yuzo Kodama, Akio Katanuma, Kenji Hirano, Kazuo Inui, Hiroyuki Isayama, Junichi Sakagami, Takayoshi Nishino, Atsushi Kanno, Yusuke Kurita, Kazuichi Okazaki, Seiji Nakamura, null null
Steroid therapy has an acceptable role as the initial treatment in autoimmune pancreatitis patients with pancreatic cyst formation: Based on a Japanese nationwide study. Journal of hepato-biliary-pancreatic sciences (2022)
Seiji Futagami, Takaomi Kessoku, Yuki Kasai, Takuma Higurashi, Hirokazu Takahashi, Shuhei Agawa, Hiroshi Yamawaki, Mayu Habiro, Nobue Ueki, Iori Sanada, Mariko Yamamoto, Yoshiyuki Watanabe, Hiroshi Yamato, Takatsugu Yamamoto, Yusuke Takasaki, Koichi Ito, Mariko Hojo, Hiroyuki Isayama, Kewin Tien Ho Siah, Kok-Ann Gwee
Comparison of clinical characteristics, eating behaviors, and clinical symptoms following fat intake in functional dyspepsia with functional dyspepsia with pancreatic enzyme abnormalities between Singapore and Japan. Journal of gastroenterology and hepatology 37 (8) (2022)
Yuki Fukumura, Lu Rong, Yifare Maimaitiaili, Toshio Fujisawa, Hiroyuki Isayama, Jun Nakahodo, Masataka Kikuyama, Takashi Yao
Precursor Lesions of Gallbladder Carcinoma: Disease Concept, Pathology, and Genetics. Diagnostics (Basel, Switzerland) 12 (2) (2022)
Toshio Fujisawa, Hiroshi Fukuda, Naoto Sakamoto, Mariko Hojo, Hiroyuki Isayama, Shigeto Ishii, Hirohide Yokokawa, Mizue Saita, Toshio Naito, Akihito Nagahara, Sumio Watanabe, Hiroyuki Isayama
Relief Effect of Carbon Dioxide Insufflation in Transnasal Endoscopy for Health Checks-A Prospective, Double-Blind, Case-Control Trial. Journal of clinical medicine 11 (5) (2022)
Hiroyuki Isayama
Make the entrance wider and the depth deeper. Endoscopy (2022)
Sho Takahashi, Toshio Fujisawa, Mako Ushio, Taito Fukuma, Akinori Suzuki, Yusuke Takasaki, Koichi Ito, Hiroyuki Isayama, Shigeto Ishii, Hiroyuki Isayama
Retrospective evaluation of slim fully covered self-expandable metallic stent for unresectable malignant hilar biliary obstruction. Journal of hepato-biliary-pancreatic sciences (2022)
Muneo Ikemura, Hiroyuki Isayama, Mako Ushio, Sho Takahashi, Wataru Yamagata, Yusuke Takasaki, Akinori Suzuki, Koichi Ito, Kazushige Ochiai, Shigeto Ishii, Hiroaki Saito, Toshio Fujisawa, Akihito Nagahara, Hiroyuki Isayama
Impact of the Coronavirus Disease-2019 Pandemic on Pancreaticobiliary Disease Detection and Treatment. Journal of clinical medicine 10 (18) (2021)
Toshio Fujisawa, Bharat H Joshi, Sho Takahashi, Yusuke Takasaki, Akinori Suzuki, Koichi Ito, Kazushige Ochiai, Ko Tomishima, Shigeto Ishii, Raj K Puri, Hiroyuki Isayama
IL-13Rα2 Is a Biomarker of Diagnosis and Therapeutic Response in Human Pancreatic Cancer. Diagnostics (Basel, Switzerland) 11 (7) (2021)
Mitsuyoshi Suzuki, Kei Minowa, Hiroyuki Isayama, Toshiaki Shimizu
Acute recurrent and chronic pancreatitis in children. Pediatrics international : official journal of the Japan Pediatric Society 63 (2) (2021)
Tomotaka Saito, Yousuke Nakai, Suguru Mizuno, Hiroyuki Isayama, Naoki Sasahira, Sachiko Kanai, Kensaku Noguchi, Tatsuya Sato, Kazunaga Ishigaki, Ryunosuke Hakuta, Kei Saito, Tsuyoshi Hamada, Naminatsu Takahara, Hirofumi Kogure, Kazuhiko Koike
Long-term outcome of endotherapy for pancreatic stones by using a dedicated pancreatic basket catheter. Journal of gastroenterology and hepatology 36 (9) (2021)
Takashi Sasaki, Shuntaro Yoshida, Hiroyuki Isayama, Akiko Narita, Tomonori Yamada, Toshiyuki Enomoto, Yorinobu Sumida, Rika Kyo, Toshio Kuwai, Masafumi Tomita, Rintaro Moroi, Mamoru Shimada, Nobuto Hirata, Yoshihisa Saida
Short-Term Outcomes of Colorectal Stenting Using a Low Axial Force Self-Expandable Metal Stent for Malignant Colorectal Obstruction: A Japanese Multicenter Prospective Study. Journal of clinical medicine 10 (21) (2021)
Takeo Watanabe, Yousuke Nakai, Suguru Mizuno, Tsuyoshi Hamada, Hirofumi Kogure, Kenji Hirano, Nobuhisa Akamatsu, Kiyoshi Hasegawa, Hiroyuki Isayama, Kazuhiko Koike
Prognosis of primary sclerosing cholangitis according to age of onset. Journal of hepato-biliary-pancreatic sciences (2021)
Kazunaga Ishigaki, Yousuke Nakai, Hiroki Oyama, Sachiko Kanai, Tatsunori Suzuki, Tomoka Nakamura, Tatsuya Sato, Ryunosuke Hakuta, Kei Saito, Tomotaka Saito, Naminatsu Takahara, Tsuyoshi Hamada, Suguru Mizuno, Hirofumi Kogure, Minoru Tada, Hiroyuki Isayama, Kazuhiko Koike
Endoscopic Ultrasound-Guided Tissue Acquisition by 22-Gauge Franseen and Standard Needles for Solid Pancreatic Lesions. Gut and liver 14 (6) (2021)
Kei Saito, Yousuke Nakai, Hiroyuki Isayama, Ryuichi Yamamoto, Kazumichi Kawakubo, Yuzo Kodama, Akio Katanuma, Atsushi Kanno, Masahiro Itonaga, Kazuhiko Koike
A Prospective Multicenter Study of Partially Covered Metal Stents in Patients Receiving Neoadjuvant Chemotherapy for Resectable and Borderline Resectable Pancreatic Cancer: BTS-NAC Study. Gut and liver 15 (1) (2021)
Hiroyuki Isayama, Shigeto Ishii, Toshio Fujisawa, Muneo Ikemura, Hiroto Ota, Daishi Kabemura, Mako Ushio, Taito Fukuma, Sho Takahashi, Wataru Yamagata, Yusuke Takasaki, Akinori Suzuki, Koichi Ito, Hiroaki Saito, Akihito Nagahara, Hiroyuki Isayama
Duration of Reduced CA19-9 Levels Is a Better Prognostic Factor Than Its Rate of Reduction for Unresectable Locally Advanced Pancreatic Cancer. Cancers 13 (16) (2021)
Kazunaga Ishigaki, Yousuke Nakai, Naoki Sasahira, Kazuya Sugimori, Katsuya Kitamura, Tomohisa Iwai, Saburo Matsubara, Kenji Shimura, Takao Itoi, Shomei Ryozawa, Jun Ushio, Shinpei Doi, Hiroo Imazu, Iruru Maetani, Hiroyuki Isayama, null null
A prospective multicenter study of endoscopic ultrasound-guided fine needle biopsy using a 22-gauge Franseen needle for pancreatic solid lesions. Journal of gastroenterology and hepatology 36 (10) (2021)
Yousuke Nakai, Tatsuya Sato, Ryunosuke Hakuta, Kazunaga Ishigaki, Kei Saito, Tomotaka Saito, Naminatsu Takahara, Tsuyoshi Hamada, Suguru Mizuno, Hirofumi Kogure, Minoru Tada, Hiroyuki Isayama, Kazuhiko Koike
Management of Difficult Bile Duct Stones by Large Balloon, Cholangioscopy, Enteroscopy and Endosonography. Gut and liver 14 (3) (2021)
Kazushige Ochiai, Toshio Fujisawa, Shigeto Ishii, Akinori Suzuki, Hiroaki Saito, Yusuke Takasaki, Mako Ushio, Sho Takahashi, Wataru Yamagata, Ko Tomishima, Tadakazu Hisamatsu, Hiroyuki Isayama
Risk Factors for Stent Migration into the Abdominal Cavity after Endoscopic Ultrasound-Guided Hepaticogastrostomy. Journal of clinical medicine 10 (14) (2021)
Takuji Iwashita, Takeshi Ogura, Hirotoshi Ishiwatari, Yousuke Nakai, Keisuke Iwata, Tsuyoshi Mukai, Masahito Shimizu, Hiroyuki Isayama, Ichiro Yasuda, Takao Itoi
Utility of dedicated bougie dilator for a 0.018-inch guidewire during EUS-guided biliary drainage: A multi-center retrospective cohort study. Journal of hepato-biliary-pancreatic sciences (2021)
Hirofumi Kogure, Hironari Kato, Kazumichi Kawakubo, Hirotoshi Ishiwatari, Akio Katanuma, Yoshinobu Okabe, Toru Ueki, Tesshin Ban, Keiji Hanada, Kazuya Sugimori, Yousuke Nakai, Hiroyuki Isayama
A Prospective Multicenter Study of "Inside Stents" for Biliary Stricture: Multicenter Evolving Inside Stent Registry (MEISteR). Journal of clinical medicine 10 (13) (2021)
Kei Saito, Hiroyuki Isayama, Yousuke Nakai, Naminatsu Takahara, Kazunaga Ishigaki, Tsuyoshi Takeda, Ryunosuke Hakuta, Tomotaka Saito, Rie Uchino, Takahiro Kishikawa, Tsuyoshi Hamada, Suguru Mizuno, Takashi Sasaki, Hirofumi Kogure, Saburo Matsubara, Natsuyo Yamamoto, Hideaki Ijichi, Keisuke Tateishi, Minoru Tada, Kazuhiko Koike
A phase II trial of gemcitabine, S-1 and LV combination (GSL) therapy in patients with advanced pancreatic cancer. Investigational new drugs 37 (2) (2018)