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Background: The management of delayed bleeding after gastric endoscopic submucosal dissection (ESD) is currently an important issue because of recent increases in the number of patients on antithrombotic therapy. Artificial ulcer closure has been shown to prevent delayed complications in the duodenum and colon. However, its effectiveness in cases involving the stomach remains unclear. In this study, we aimed to determine whether endoscopic closure reduces post-ESD bleeding in patients undergoing antithrombotic therapy. Methods: We retrospectively analyzed 114 patients who had undergone gastric ESD while on antithrombotic therapy. The patients were allocated to one of 2 groups: a closure group (n=44) and a non-closure group (n=70). Endoscopic closure had been performed using multiple hemoclips or using the endoscopic ligation with O-ring closure method after coagulation of exposed vessels on the artificial floor. Propensity score matching resulted in 32 pairs of patients (closure vs. nonclosure 32:32). The primary outcome was post-ESD bleeding. Results: The post-ESD bleeding rate was significantly lower in the closure group (0%) than in the non-closure group (15.6%) (P=0.0264). There were no significant differences between the 2 groups regarding white blood cell count, C-reactive protein, maximum body temperature, or scores on a verbal rating scale that assesses the degree of abdominal pain. Conclusion: Endoscopic closure may contribute to decreasing the incidence of post-ESD gastric bleeding in patients undergoing antithrombotic therapy. [ABSTRACT FROM AUTHOR]

Background: The management of delayed bleeding after gastric endoscopic submucosal dissection (ESD) is currently an important issue because of recent increases in the number of patients on antithrombotic therapy. Artificial ulcer closure has been shown to prevent delayed complications in the duodenum and colon. However, its effectiveness in cases involving the stomach remains unclear. In this study, we aimed to determine whether endoscopic closure reduces post-ESD bleeding in patients undergoing antithrombotic therapy., Methods: We retrospectively analyzed 114 patients who had undergone gastric ESD while on antithrombotic therapy. The patients were allocated to one of 2 groups: a closure group (n=44) and a non-closure group (n=70). Endoscopic closure had been performed using multiple hemoclips or using the endoscopic ligation with O-ring closure method after coagulation of exposed vessels on the artificial floor. Propensity score matching resulted in 32 pairs of patients (closure vs. non-closure 32:32). The primary outcome was post-ESD bleeding., Results: The post-ESD bleeding rate was significantly lower in the closure group (0%) than in the non-closure group (15.6%) (P=0.0264). There were no significant differences between the 2 groups regarding white blood cell count, C-reactive protein, maximum body temperature, or scores on a verbal rating scale that assesses the degree of abdominal pain., Conclusion: Endoscopic closure may contribute to decreasing the incidence of post-ESD gastric bleeding in patients undergoing antithrombotic therapy., Competing Interests: Conflict of Interest: None, (Copyright: © Hellenic Society of Gastroenterology.)