Abstract
This trial was undertaken to determine the safety and efficacy of preoperative aspirin administration in a contemporary cardiac surgical practice setting. This randomized, double-blind, parallel-group, single-center trial involved patients with stable coronary artery disease who were assigned to receive either 300 mg of aspirin or placebo the night before coronary bypass surgery. Using a random digit table, patients were allocated to receive the tablet from 1 of the 40 coded bottles containing either aspirin or placebo. Patients, surgeons, anesthetists, and investigators were all masked to treatment allocation. The primary safety end points were as follows: more than 750 mL of bleeding during the first postoperative 12 hours and more than 1000 mL of total discharge from the chest drains. The secondary efficacy end point was a composite of cardiovascular death, myocardial infarction, or repeat revascularization. A total of 390 patients were allocated to aspirin (387 analyzed) and 399 to placebo (396 analyzed). The follow-up median was 53 months. Fifty-four placebo recipients and 86 aspirin recipients bled more than 750 mL in the first 12 hours (odds ratio [OR], 1.81; 95% confidence interval [CI], 1.25-2.63), while total chest dr...Continue Reading
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