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Title: Continued versus interrupted aspirin use and bleeding risk after endoscopic submucosal dissection of gastric neoplasms: A meta-analysis
Authors: Veeravich Jaruvongvanich
Tomoki Sempokuya
Karn Wijarnpreecha
Patompong Ungprasert
King Chulalongkorn Memorial Hospital, Faculty of Medicine Chulalongkorn University
University of Hawaii at Manoa
Columbia University, College of Physicians and Surgeons
Faculty of Medicine, Siriraj Hospital, Mahidol University
Keywords: Medicine
Issue Date: 3-May-2018
Citation: Annals of Gastroenterology. Vol.31, No.3 (2018), 344-349
Abstract: © 2018 Hellenic Society of Gastroenterology. Background Balancing the risk of bleeding and thromboembolic events for patients who use aspirin and need to undergo endoscopic submucosal dissection (ESD) for gastric neoplasms is a delicate process. The current guidelines from different associations provide inconsistent recommendations. Methods MEDLINE and EMBASE databases were searched through August 2017 for studies that compared the risk of post-ESD bleeding in patients who continued aspirin vs. those who discontinued aspirin preoperatively. Pooled odds ratios (OR) and 95% confidence intervals (CI) were calculated using a random-effect model, generic inverse variance method. The between-study heterogeneity was quantified using the Q statistic and I 2 . Results A total of five studies that included 700 patients were identified. Our meta-analysis could not demonstrate a significantly increased risk of post-ESD bleeding among the aspirin-continued group compared to the aspirin-interrupted group, the pooled OR being 1.81 (95%CI 0.85-3.83). The statistical heterogeneity was insignificant, with an I 2 of 25%. Nine thrombotic events occurred in the aspirin-interrupted group whereas none occurred in the aspirin-continued group. Conclusions This meta-analysis could not demonstrate that continuation of aspirin significantly increases the risk of post-ESD bleeding. However, the analysis was restricted by the small sample size and the observational nature of the primary studies. Randomized controlled trials are still needed to clarify this risk.
ISSN: 17927463
Appears in Collections:Scopus 2018

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