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CC BY-NC-ND 4.0 · Endoscopy 2022; 54(11): 1078-1084
DOI: 10.1055/a-1782-3448
Innovations and brief communications

Efficacy of endoscopic ligation with O-ring closure for prevention of bleeding after gastric endoscopic submucosal dissection under antithrombotic therapy: a prospective observational study

Noriko Nishiyama 
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Hideki Kobara 
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Nobuya Kobayashi 
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Taiga Chiyo
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Naoya Tada
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Kazuhiro Kozuka
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Takanori Matsui
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Tatsuo Yachida
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Shintaro Fujihara
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Tingting Shi
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
,
Tsutomu Masaki
1   Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
› Author AffiliationsJapan Medical Association Clinical Trial Registry (http://www.jmacct.med.or.jp/) Registration number (trial ID): 000045906 Type of study: prospective
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See also:

Endoscopic ligation technique with O-ring closure: improved or complicated?Endoscopy 2022; 54(11): 1125-1125
DOI: 10.1055/a-1901-8594

See also:

Reply to Wu et al.Endoscopy 2022; 54(11): 1126-1126
DOI: 10.1055/a-1904-8093

Referred to by:

Author commentary on Noriko Nishiyama et al.Endoscopy 2022; 54(11): v40-v40
DOI: 10.1055/a-1817-1316

Abstract

Background We examined the efficacy of a novel endoscopic ligation technique with O-ring closure (E-LOC) to prevent bleeding after gastric endoscopic submucosal dissection (ESD) under antithrombotic therapy.

Methods This single-center prospective study involved consecutive patients who were taking antithrombotic agents and underwent gastric ESD. E-LOC was performed by anchoring the nylon loop with hemoclips on both defect edges and/or the exposed muscle layer, and using O-ring band ligation around these deployed clips. The primary outcome was post-ESD bleeding rate. Secondary outcomes were complete closure rate, procedure time, sustained closure rate, and complications.

Results 48 patients were finally analyzed. The post-ESD bleeding rate was 0 %, the complete closure rate was 97.9 %, and the mean closure time was 29.9 minutes. The sustained closure rate was 95.8 % at postoperative day 2–3 and 33.3 % at postoperative day 10–11. No complications occurred.

Conclusion E-LOC may be an effective option for closing mucosal defects after gastric ESD under antithrombotic therapy. However, the preventive effect on post-ESD bleeding should be further investigated in high risk groups.

Supplementary material



Publication History

Received: 28 October 2021

Accepted after revision: 07 March 2022

Accepted Manuscript online:
25 February 2022

Article published online:
03 June 2022

© 2022. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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