Case Study of a Refractory Idiopathic Peptic Ulcer in Which 24-h Intragastric pH Monitoring Contributed to Its Pathophysiological Analysis

Authors: Tomoyo Iwano, Tsutomu Takeda, Shotaro Oki, Yasuko Uemura, Momoko Yamamoto, Ryota Uchida, Hisanori Utsunomiya, Daiki Abe, Nobuyuki Suzuki, Atsushi Ikeda, Yoichi Akazawa, Kumiko Ueda, Hiroya Ueyama, Mariko Hojo, Akihito Nagahara

Source: Case Reports in Gastroenterology, Vol 18, Iss 1, Pp 386-394 (2024)

Subject Terms: idiopathic peptic ulcer, misoprostol, potassium competitive acid blocker, 24-h intragastric ph monitoring, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://beta.karger.com/Article/FullText/540185; https://doaj.org/toc/1662-0631

Access URL: https://doaj.org/article/6cae3afd903c42f29e68af6b43a7b457

Novel physiological analysis using blood flow velocity for colonic polyps: Pilot study

Authors: Eiji Kamba, Takashi Murakami, Naoki Tsugawa, Kei Nomura, Keiichi Haga, Yoichi Akazawa, Hirofumi Fukushima, Hiroya Ueyama, Kenshi Matsumoto, Tomoyoshi Shibuya, Takeshi Terai, Takashi Yao, Akihito Nagahara

Source: Endoscopy International Open, Vol 12, Iss 06, Pp E781-E787 (2024)

Subject Terms: Endoscopy Lower GI Tract, Polyps/adenomas/..., Diagnosis and imaging (inc chromoendoscopy, NBI, iSCAN, FICE, CLE...), Tissue diagnosis, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2364-3722; https://doaj.org/toc/2196-9736

Access URL: https://doaj.org/article/f67c26cd3c6647e0bdd91f27d8d77006

Clinicopathological features of PD-L1 protein expression, EBV positivity, and MSI status in patients with advanced gastric and esophagogastric junction adenocarcinoma in Japan

Authors: Tsutomu Yoshida, Go Ogura, Mikiko Tanabe, Takuo Hayashi, Chiho Ohbayashi, Mizutomo Azuma, Chikara Kunisaki, Yoichi Akazawa, Soji Ozawa, Sohei Matsumoto, Takayoshi Suzuki, Akira Mitoro, Tetsu Fukunaga, Akiko Shimizu, Go Fujimoto, Takashi Yao

Source: Cancer Biology & Therapy, Vol 23, Iss 1, Pp 191-200 (2022)

Subject Terms: adenocarcinoma, japan, microsatellite instability, pd-l1, stomach, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://doaj.org/toc/1538-4047; https://doaj.org/toc/1555-8576

Access URL: https://doaj.org/article/6ff110f574cf4b6f91089c90cdbad901

Molecular and clinicopathological analysis of three cases of gastric juvenile polyposis

Authors: Yuya Yamashiro, Yuka Yanai, Tsutomu Takeda, Takuo Hayashi, Yoichi Akazawa, Noboru Yatagai, Hiroya Ueyama, Hidetaka Eguchi, Akihito Nagahara, Takashi Yao, Tsuyoshi Saito

Source: JGH Open, Vol 6, Iss 8, Pp 531-538 (2022)

Subject Terms: BMPR1A, juvenile polyposis, loss of heterozygosity, SMAD4, TP53, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2397-9070

Access URL: https://doaj.org/article/ccabd013082e425a9556b3f86d7fffb7

Risk Factors for Mucosal Redness in the Duodenal Bulb as Detected via Linked Color Imaging

Authors: Tsutomu Takeda, Daiki Abe, Daisuke Asaoka, Tomoyo Iwano, Momoko Yamamoto, Ryota Uchida, Hisanori Utsunomiya, Shotaro Oki, Nobuyuki Suzuki, Atsushi Ikeda, Yoichi Akazawa, Kumiko Ueda, Hiroya Ueyama, Mariko Hojo, Shuko Nojiri, Akihito Nagahara

Source: Diagnostics, Vol 14, Iss 5, p 508 (2024)

Subject Terms: abdominal symptoms, duodenum, linked color imaging, mucosal redness, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/14/5/508; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/896ac4534d534663866081cebe04e498

A case of improved visibility with gel immersion in the presence of ongoing bleeding during colorectal endoscopic submucosal dissection

Authors: Takafumi Maruyama, MD, Takashi Murakami, MD, PhD, Yoichi Akazawa, MD, PhD, Tomoyoshi Shibuya, MD, PhD, Akihito Nagahara, MD, PhD

Source: VideoGIE, Vol 6, Iss 10, Pp 478-480 (2021)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2468448121001387; https://doaj.org/toc/2468-4481

Access URL: https://doaj.org/article/90342f8e38be47d4821788a7171fab26

Linked color imaging improves visibility of reflux esophagitis

Authors: Tsutomu Takeda, Daisuke Asaoka, Daiki Abe, Maiko Suzuki, Yuta Nakagawa, Hitoshi Sasaki, Yoshihiro Inami, Muneo Ikemura, Hisanori Utsunomiya, Shotaro Oki, Nobuyuki Suzuki, Atsushi Ikeda, Noboru Yatagai, Hiroyuki Komori, Yoichi Akazawa, Kohei Matsumoto, Kumiko Ueda, Hiroya Ueyama, Yuji Shimada, Kenshi Matsumoto, Mariko Hojo, Taro Osada, Shuko Nojiri, Akihito Nagahara

Source: BMC Gastroenterology, Vol 20, Iss 1, Pp 1-11 (2020)

Subject Terms: Reflux esophagitis, Linked color imaging, Blue LASER imaging, Visibility, Inter-rater reliability, Color difference, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s12876-020-01511-9; https://doaj.org/toc/1471-230X

Access URL: https://doaj.org/article/8e8047e1e0bd4b32b3b40d35d047b265

Diagnosis of histological type of early gastric cancer by magnifying narrow‐band imaging: A multicenter prospective study

Authors: Takashi Kanesaka, Noriya Uedo, Hisashi Doyama, Naohiro Yoshida, Takashi Nagahama, Kensei Ohtsu, Kunihisa Uchita, Koji Kojima, Tetsuya Ueo, Haruhiko Takahashi, Hiroya Ueyama, Yoichi Akazawa, Toshio Shimokawa, Kenshi Yao

Source: DEN Open, Vol 2, Iss 1, Pp n/a-n/a (2022)

Subject Terms: diagnosis, endoscopy, gastric cancer, prospective study, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2692-4609

Access URL: https://doaj.org/article/aec15251dc7b41c995147f1b5bf35055

Emergency Endoscopic Hemostasis for Gastrointestinal Bleeding Using a Self-Assembling Peptide: A Case Series

Authors: Takashi Murakami, Eiji Kamba, Keiichi Haga, Yoichi Akazawa, Hiroya Ueyama, Tomoyoshi Shibuya, Mariko Hojo, Akihito Nagahara

Source: Medicina, Vol 59, Iss 5, p 931 (2023)

Subject Terms: endoscopic hemostasis, emergency endoscopy, gastrointestinal bleeding, self-assembling peptide, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/1648-9144/59/5/931; https://doaj.org/toc/1010-660X; https://doaj.org/toc/1648-9144

Access URL: https://doaj.org/article/469ab01ec97b4c35a2f5a127d5bdeff9

The relationship between infection and reflux esophagitis and the long-term effects of eradication of on reflux esophagitis

Authors: Mariko Hojo, Kumiko Ueda, Tsutomu Takeda, Yoichi Akazawa, Hiroya Ueyama, Yuji Shimada, Daisuke Asaoka, Akihito Nagahara

Source: Therapeutic Advances in Gastroenterology, Vol 14 (2021)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/1756-2848

Access URL: https://doaj.org/article/62d593981a2c4e21b4d55ab86adf78e8

Endoscopic Features of Gastric Epithelial Neoplasm of Fundic Gland Mucosa Lineage

Authors: Kohei Matsumoto, Hiroya Ueyama, Takashi Yao, Tomoyo Iwano, Momoko Yamamoto, Hisanori Utsunomiya, Ryota Uchida, Daiki Abe, Shotaro Oki, Nobuyuki Suzuki, Atsushi Ikeda, Noboru Yatagai, Yoichi Akazawa, Tsutomu Takeda, Kumiko Ueda, Daisuke Asaoka, Mariko Hojo, Akihito Nagahara

Source: Diagnostics, Vol 12, Iss 11, p 2666 (2022)

Subject Terms: gastric adenocarcinoma of fundic gland type, gastric adenocarcinoma of fundic gland mucosa type, gastric epithelial neoplasm of fundic gland mucosa lineage, oxyntic gland adenoma, narrow-band imaging, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/12/11/2666; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/de15e60e24ce4d4a9b129e3ca365d8bc

Comparison of the Degree of Gastric Mucosal Injury between Patients Who Are Receiving Dual Antiplatelet Therapy or Single Antiplatelet Therapy

Authors: Yuji Shimada, Mariko Hojo, Yuji Kita, Yuji Ikeda, Sho Sato, Ayato Murata, Shunsuke Sato, Kohei Matsumoto, Yoichi Akazawa, Tsutomu Takeda, Kumiko Ueda, Hiroya Ueyama, Tomoyoshi Shibuya, Takuya Genda, Akihito Nagahara

Source: Diagnostics, Vol 12, Iss 10, p 2364 (2022)

Subject Terms: gastric mucosal injury, dual antiplatelet therapy, single antiplatelet therapy, low-dose aspirin, clopidogrel, Medicine (General), R5-920

File Description: electronic resource

Relation: https://www.mdpi.com/2075-4418/12/10/2364; https://doaj.org/toc/2075-4418

Access URL: https://doaj.org/article/afd3f6a769224c449a672408f3e85a20

Randomized controlled study on the effects of triple therapy including vonoprazan or rabeprazole for the second-line treatment of infection

Authors: Mariko Hojo, Daisuke Asaoka, Tsutomu Takeda, Yuji Shimada, Kenshi Matsumoto, Kohei Matsumoto, Noboru Yatagai, Yoichi Akazawa, Kumiko Ueda, Hiroya Ueyama, Akihito Nagahara

Source: Therapeutic Advances in Gastroenterology, Vol 13 (2020)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/1756-2848

Access URL: https://doaj.org/article/ee4d49358b284d439da5a460d7b7d537

Diagnostic limitations of magnifying endoscopy with narrow-band imaging in early gastric cancer

Authors: Kohei Matsumoto, Hiroya Ueyama, Takashi Yao, Daiki Abe, Shotaro Oki, Nobuyuki Suzuki, Atsushi Ikeda, Noboru Yatagai, Yoichi Akazawa, Hiroyuki Komori, Tsutomu Takeda, Kenshi Matsumoto, Mariko Hojo, Akihito Nagahara

Source: Endoscopy International Open, Vol 08, Iss 10, Pp E1233-E1242 (2020)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2364-3722; https://doaj.org/toc/2196-9736

Access URL: https://doaj.org/article/90552811a37b4338a602cf0fc430ae08

Molecular characterization of sessile serrated adenoma/polyps with dysplasia/carcinoma based on immunohistochemistry, next-generation sequencing, and microsatellite instability testing: a case series study

Authors: Takashi Murakami, Yoichi Akazawa, Noboru Yatagai, Takafumi Hiromoto, Noriko Sasahara, Tsuyoshi Saito, Naoto Sakamoto, Akihito Nagahara, Takashi Yao

Source: Diagnostic Pathology, Vol 13, Iss 1, Pp 1-10 (2018)

Subject Terms: Sessile serrated adenoma/polyp, Colorectal carcinoma, MLH1, FBXW7, TP53, Microsatellite instability, Pathology, RB1-214

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s13000-018-0771-3; https://doaj.org/toc/1746-1596

Access URL: https://doaj.org/article/dafeeea16e714fb4b344282db9a04649

Self-study of the non-extension sign in an e-learning program improves diagnostic accuracy of invasion depth of early gastric cancer

Authors: Minoru Kato, Noriya Uedo, Takashi Nagahama, Kenshi Yao, Hisashi Doyama, Shigetsugu Tsuji, Takuji Gotoda, Takuji Kawamura, Masahide Ebi, Katsumi Yamamoto, Tomofumi Akasaka, Hajime Takatori, Osamu Handa, Takuji Akamatsu, Jun Nishikawa, Takuto Hikichi, Takeshi Yamashina, Akira Imoto, Yoko Kitamura, Tatsuya Mikami, Tomoyuki Koike, Shuichi Ohara, Shinji Kitamura, Tatsuya Yamaguchi, Tetsu Kinjo, Taro Inoue, Sho Suzuki, Akihiro Kaneko, Kingo Hirasawa, Kyosuke Tanaka, Takahiro Kotachi, Kazuhiro Miwa, Yosuke Toya, Shoichi Kayaba, Atsushi Ikehata, Shinya Minami, Kazuhiro Mizukami, Hirohisa Oya, Nobuyuki Ara, Yasushi Fukumoto, Takuya Komura, Toshiyuki Yoshio, Ryutaro Morizono, Kenji Yamazaki, Yuichi Shimodate, Kohei Yamanouchi, Noboru Kawata, Masayuki Kumagai, Yoshinori Sato, Kiyotaka Umeki, Daisuke Kawai, Tokuma Tanuma, Maiko Kishino, Jun Konishi, Tetsuya Sumiyoshi, Shohei Oka, Mitsuhiro Kono, Takeshi Sakamoto, Yohei Horikawa, Motoki Ohyauchi, Keiichi Hashiguchi, Yohei Waseda, Toyotaka Kasai, Hiroyuki Aoyagi, Hirokazu Oyamada, Masakuni Shoji, Shu Kiyotoki, Sho Asonuma, Shunsuke Orikasa, Chika Akaishi, Yasuaki Nagami, Satoshi Nakata, Fumiyo Iida, Tatsuma Nomura, Kei Tominaga, Kohei Oka, Yoshinori Morita, Haruhisa Suzuki, Keiji Ozeki, Shiko Kuribayashi, Yoichi Akazawa, Sho Sasaki, Tetsuhiko Mikami, Goro Miki, Tatsushi Sano, Hiro Satoh, Munetaka Nakamura, Wataru Iwai, Hideki Tawa, Masafumi Wada, Daisuke Yoshimura, Yasuhiro Hisanaga, Toshio Shimokawa, Hideki Ishikawa

Source: Endoscopy International Open, Vol 07, Iss 07, Pp E871-E882 (2019)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2364-3722; https://doaj.org/toc/2196-9736

Access URL: https://doaj.org/article/7bdce796ef0247d48d4ef1d13d13338d

A prospective randomized trial of a potassium competitive acid blocker vs proton pump inhibitors on the effect of ulcer healing after endoscopic submucosal dissection of gastric neoplasia

Authors: Hiroyuki Komori, Hiroya Ueyama, Akihito Nagahara, Yoichi Akazawa, Tsutomu Takeda, Kohei Matsumoto, Kenshi Matsumoto, Daisuke Asaoka, Mariko Hojo, Takashi Yao, Sumio Watanabe

Source: Journal of International Medical Research, Vol 47 (2019)

Subject Terms: Medicine (General), R5-920

File Description: electronic resource

Relation: https://doaj.org/toc/0300-0605; https://doaj.org/toc/1473-2300

Access URL: https://doaj.org/article/421ef69098304a52b7ec4b2b062ba9f0

Effect of Esophageal Endoscopic Submucosal Dissection on Motility and Symptoms: A Prospective Study

Authors: Tsutomu Takeda, Kenshi Matsumoto, Akihito Nagahara, Hiroyuki Komori, Yoichi Akazawa, Yuta Nakagawa, Kentaro Izumi, Kohei Matsumoto, Hiroya Ueyama, Yuji Shimada, Daisuke Asaoka, Mariko Hojo, Takashi Yao, Sumio Watanabe

Source: Gastroenterology Research and Practice, Vol 2018 (2018)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/1687-6121; https://doaj.org/toc/1687-630X

Access URL: https://doaj.org/article/3b794074731245398331cd19de91e3be

Procedure Time for Gastric Endoscopic Submucosal Dissection according to Location, considering Both Mucosal Circumferential Incision and Submucosal Dissection

Authors: Hironori Konuma, Kenshi Matsumoto, Hiroya Ueyama, Hiroyuki Komori, Yoichi Akazawa, Misuzu Ueyama, Yuta Nakagawa, Takashi Morimoto, Tsutomu Takeda, Kohei Matsumoto, Daisuke Asaoka, Mariko Hojo, Akihito Nagahara, Takashi Yao, Akihisa Miyazaki, Sumio Watanabe

Source: Gastroenterology Research and Practice, Vol 2016 (2016)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/1687-6121; https://doaj.org/toc/1687-630X

Access URL: https://doaj.org/article/8018aeba87204ddbaeb95a6163e193f6

Optimization of Deep Sedation with Spontaneous Respiration for Therapeutic Endoscopy Combining Propofol and Bispectral Index Monitoring

Authors: Kohei Matsumoto, Akihito Nagahara, Kenshi Matsumoto, Yoichi Akazawa, Hiroyuki Komori, Yuta Nakagawa, Tsutomu Takeda, Hiroya Ueyama, Yuji Shimada, Daisuke Asaoka, Mariko Hojo, Sumio Watanabe

Source: Gastroenterology Research and Practice, Vol 2015 (2015)

Subject Terms: Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/1687-6121; https://doaj.org/toc/1687-630X

Access URL: https://doaj.org/article/b51b41eb1a3f4751a9cfa5228a44a21f