Clinical Endoscopy

Koichi Hamada

2 Articles

A Novel Endoscopic Mouthpiece for COVID-19 Prevention: Takuto Hikichi, Nakamura Jun, Koichi Hamada, Daiki Nemoto; Clin Endosc 2022;55(1):160-162. Published online October 15, 2021; DOI: https://doi.org/10.5946/ce.2021.172

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Impact of the COVID‐19 pandemic on the performance of endoscopy in the Tohoku region of Japan
Katsunori Iijima, Tamotsu Matsuhashi, Yosuke Shimodaira, Tatsuya Mikami, Tetsuro Yoshimura, Shunichi Yanai, Norihiko Kudara, Tsuyotoshi Tsuji, Hiro‐o Matsushita, Hiroyuki Watanabe, Tomoyuki Koike, Katsuaki Kato, Yasuhiko Abe, Nakao Shirahata, Takuto Hikic
DEN Open.2024;[Epub] CrossRef
A Follow-up Report on the Diagnosis of Gastrointestinal Cancer during the COVID-19 Pandemic in Akita Prefecture, Japan in 2021
Katsunori Iijima, Yosuke Shimodaira, Kenta Watanabe, Shigeto Koizumi, Tamotsu Matsuhashi, Mario Jin, Masahito Miura, Kengo Onochi, Kiyonori Yamai, Yuko Fujishima, Takuma Ajimine, Hidehiko Tsuda, Tsuyotoshi Tsuji, Hiro-o Matsushita, Yohei Horikawa, Takahir
The Tohoku Journal of Experimental Medicine.2023; 259(4): 301. CrossRef
A Novel Aerosol-Exposure Protection Mask for Patients During Upper Endoscopy
Soo-Jeong Cho
Clinical Endoscopy.2022; 55(2): 208. CrossRef
Simple and innovative methods of minimizing risk of aerosol generation during endoscopy
Sumitro Kosasih, Adli Metussin, Norwani Basir, Vui Heng Chong
Clinical Endoscopy.2022; 55(3): 470. CrossRef
Aerosol extractor for COVID-2019 prevention during endoscopic procedure
Takuto Hikichi, Tsunetaka Kato, Ryoichiro Kobashi, Minami Hashimoto, Jun Nakamura
Clinical Endoscopy.2022; 55(6): 815. CrossRef

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Efficacy of Endoscopic Submucosal Dissection of Esophageal Neoplasms under General Anesthesia: Koichi Hamada, Koichiro Kawano, Atsushi Yamauchi, Ryota Koyanagi, Yoshinori Horikawa, Shinya Nishida, Yoshiki Shiwa, Noriyuki Nishino, Michitaka Honda; Clin Endosc 2019;52(3):252-257. Published online May 23, 2019; DOI: https://doi.org/10.5946/ce.2018.151

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Background
/Aims: Evidence that general anesthesia (GA) reduces the operative time of esophageal endoscopic submucosal dissection (ESD) is currently insufficient. This study aims to evaluate the efficacy and safety of esophageal ESD under GA.
Methods
A total of 227 lesions from 198 consecutive patients with superficial esophageal neoplasms treated by ESD at 3 Japanese institutions between April 2011 and September 2017 were included in this retrospective study. For ESD, GA and deep sedation (DS) were used in 102 (51.5%, GA group) and 96 patients (48.5%, DS group), respectively.
Results
There were no statistically significant differences in age, sex, or comorbidities between the groups. In the GA group, the tumor size was larger (21 [3–77] mm vs. 14 [3–63] mm, p<0.001), luminal circumference was larger (≥2/3; 13.9% vs. 5.4%, p=0.042), procedure time was shorter (28 [5–202] min vs. 40 [8–249] min, p<0.001), and submucosal dissection speed was faster (25.2 [7.8–157.2] mm2 /min vs. 16.2 [2.4–41.3] mm2 /min, p<0.001). The rates of intraoperative perforation and aspiration pneumonia were lower in the GA group, but the difference did not achieve statistical significance (p=0.242 and p=0.242).
Conclusions
GA shortens the procedure time of esophageal ESD.

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Characteristics of cases for which esophageal endoscopic submucosal dissection under general anesthesia is recommended
Atsushi Goto, Koichi Hamabe, Shunsuke Ito, Shinichi Hashimoto, Jun Nishikawa, Taro Takami
Esophagus.2024;[Epub] CrossRef
General Anesthesia and Endoscopic Upper Gastrointestinal Tumor Resection
Seung Hyun Kim
Journal of Digestive Cancer Research.2023; 11(3): 125. CrossRef
Endoscopic resection of esophageal squamous cell carcinoma: Current indications and treatment outcomes
Seiichiro Abe, Yuichiro Hirai, Takeshi Uozumi, Mai Ego Makiguchi, Satoru Nonaka, Haruhisa Suzuki, Shigetaka Yoshinaga, Ichiro Oda, Yutaka Saito
DEN Open.2022;[Epub] CrossRef
Subtotal esophageal endoscopic submucosal dissection for long-segment Barrett’s esophagus and adenocarcinoma
Dai Kubota, Yoshiki Sakaguchi, Sayaka Nagao, Yosuke Tsuji, Mitsuhiro Fujishiro
Endoscopy.2022; 54(10): E583. CrossRef
Translation from manual to automatic endoscopic insufflation enhanced by a pressure limiter
Yuki Ushimaru, Tsuyoshi Takahashi, Kotaro Yamashita, Takuro Saito, Koji Tanaka, Kazuyoshi Yamamoto, Tomoki Makino, Yukinori Kurokawa, Hidetoshi Eguchi, Yuichiro Doki, Kiyokazu Nakajima
Surgical Endoscopy.2022; 36(9): 7038. CrossRef
Gel immersion endoscopic submucosal dissection: clinical experience with 13 cases of superficial esophageal cancer
Yuya Nakano, Tomoaki Tashima, Ryuhei Jinushi, Rie Terada, Yumi Mashimo, Tomonori Kawasaki, Toshio Uraoka, Shomei Ryozawa
Endoscopy International Open.2022; 10(09): E1302. CrossRef
Computer-aided diagnosis of esophageal cancer and neoplasms in endoscopic images: a systematic review and meta-analysis of diagnostic test accuracy
Chang Seok Bang, Jae Jun Lee, Gwang Ho Baik
Gastrointestinal Endoscopy.2021; 93(5): 1006. CrossRef
Efficacy of sedation with dexmedetomidine plus propofol during esophageal endoscopic submucosal dissection
Keiichi Ashikari, Takashi Nonaka, Takuma Higurashi, Tomohiro Takatsu, Tsutomu Yoshihara, Noboru Misawa, Jun Arimoto, Kenji Kanoshima, Tetsuya Matsuura, Akiko Fuyuki, Hidenori Ohkubo, Hideyuki Chiba, Atsushi Nakajima
Journal of Gastroenterology and Hepatology.2021; 36(7): 1920. CrossRef
Bilateral tension pneumothorax during endoscopic submucosal dissection under general anesthesia diagnosed by point-of-care ultrasound - A case report -
Seok Kyeong Oh, Seung Inn Cho, Young Ju Won, Jin Hee Yun
Anesthesia and Pain Medicine.2021; 16(2): 171. CrossRef
Perforation of a Gastric Tear during Esophageal Endoscopic Submucosal Dissection under General Anesthesia
Tomoaki Yamasaki, Yuhei Sakata, Takehisa Suekane, Hiroko Nebiki
Clinical Endoscopy.2021; 54(6): 916. CrossRef
Feasibility of the lidocaine injection method during esophageal endoscopic submucosal dissection
Tetsuya Yoshizaki, Daisuke Obata, Chise Ueda, Norio Katayama, Yasuhiro Aoki, Norihiro Okamoto, Hiroki Hashimura, Masanori Matsumoto, Megumi Takagi, Seitaro Ikeoka, Ryutaro Yoshida, Kenji Momose, Takaaki Eguchi, Hiroshi Yamashita, Akihiko Okada
JGH Open.2020; 4(2): 251. CrossRef
Commentary on “Efficacy of Endoscopic Submucosal Dissection of Esophageal Neoplasms under General Anesthesia”
Soo In Choi, Jun Chul Park
Clinical Endoscopy.2019; 52(3): 205. CrossRef

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