POISE 2 (Part 1): The safety and efficacy of aspirin following non-cardiac surgery .
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Aspirin in patients undergoing noncardiac surgery
N Engl J Med. 2014 Apr 17;370(16):1494-503. doi: 10.1056/NEJMoa1401105. Epub 2014 Mar 3110,010 patients with, or at risk for, major vascular disease, and undergoing non-cardiac surgery were randomized to receive either aspirin or placebo (both with and without clonidine) as part of the Perioperative Ischemic Evaluation 2 (POISE-2) trial. This report, Part 1, summarizes the data pertaining to the safety and efficacy of aspirin, while clonidine-related data is summarized in Part 2. Results over 30 days indicated that, although the aspirin and placebo interventions yielded similar rates for the primary composite outcome (death or non-fatal myocardial infarction), significantly more patients in the aspirin group experienced major bleeding. All other efficacy and safety parameters were similar between groups.
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