Previous Use of Anti-thrombotic Agents Reduces Mortality and Length of Hospital Stay in Patients with High-risk Upper Gastrointestinal Bleeding.

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Previous Use of Anti-thrombotic Agents Reduces Mortality and Length of Hospital Stay in Patients with High-risk Upper Gastrointestinal Bleeding.

Clin Gastroenterol Hepatol. 2018 Apr 26;:

Authors: Dunne PD, Laursen SB, Laine L, Dalton HR, Ngu JH, Schultz M, Rahman A, Anderloni A, Murray IA, Stanley AJ

Abstract
BACKGROUND AND AIMS: Anti-thrombotic agents are risk factors for upper gastrointestinal bleeding (UGIB). However, few studies have evaluated their effects on patient outcomes. We assessed the effects of anti-thrombotic agents on outcomes of patients with high-risk UGIB.
METHODS: We performed a prospective study of 619 patients with acute UGIB (defined by hematemesis, coffee-ground vomit or melena) who required intervention and underwent endoscopy at 8 centers in North America, Asia, and Europe, from March 2014 through March 2015. We collected data recorded on use of anti-thrombotic agents, clinical features, and laboratory test results to calculate AIMS65, Glasgow-Blatchford Score, and full Rockall scores. We also collected and analyzed data on co-morbidities, endoscopic findings, blood transfusion, interventional radiology results, surgeries, length of hospital stay, rebleeding, and mortality.
RESULTS: Of the 619 patients who required endoscopic therapy, data on use of anti-thrombotic agents was available for 568; 253 of these patients (44%) used anti-thrombotic agents. Compared to patients not taking anti-thrombotic agents, patients treated with anti-thrombotics were older (P<.001), had a higher mean American Society of Anesthesiologists classification score (P<.0001), had a higher mean Rockall score (P<.0001), a higher mean AIMS65 score (P<.0001), and more frequently bled from ulcers (P<.001). There were no differences between groups in sex, systolic blood pressure, level of hemoglobin at hospital admission, frequency of malignancies, Glasgow-Blatchford Score, need for surgery or interventional radiology, number of rebleeding events, or requirement for transfusion. All-cause mortality was lower in patients who took anti-thrombotic drugs (11 deaths, 4%) than in patients who did not (37 deaths, 12%) (P=.002); this was due to lower bleeding-related mortality in patients taking anti-thrombotic drugs (3 deaths, 1%) than in patients who were not (19 deaths, 6%) (P=.003). Patients taking anti-thrombotic drugs had mean hospital stays of 6.9 days (95%, CI 2-23 days) compared to 7.9 days for non-users of anti-thrombotic agents (95% CI, 2-26 days) (P=.04).
CONCLUSIONS: Despite being older, with higher American Society of Anesthesiologists classification, AIMS65, and Rockall scores, patients who have UGIB that requires endoscopic therapy and take anti-thrombotic drugs have lower mortality due to GI bleeding and shorter hospital stays, with similar rates of rebleeding, surgery, and transfusions, compared with those not taking anti-thrombotic drugs.

PMID: 29705263 [PubMed - as supplied by publisher]

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