IMPROVED AORTOCORONARY BYPASS PATENCY BY LOW-DOSE ASPIRIN (100 mg DAILY): Effects on Platelet Aggregation and Thromboxane Formation

作者: R.L. Lorenz , M. Weber , J. Kotzur , K. Theisen , C.V. Schacky

DOI: 10.1016/S0140-6736(84)92446-2

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摘要: Abstract Prevention of aortocoronary bypass occlusion by aspirin (ASA, 1 × 100 mg per day) was studied in a prospective double-blind trial 83 patients. 60 (72%) were randomly allocated to ASA or placebo starting 24 h after operation. 90% grafts the group and 68% patent at four months. At least one anastomosis occluded 62% patients on 27% those aspirin. Ventricular arrhythmias increased surgery more (12/18) than (5/17). Platelet thromboxane formation collagen tested before operation significantly higher whom developed (occlusion: 40±19, no occlusion: 25±13 ng/ml). A dose day effectively blocked platelet thromboxane-supported aggregation safe postoperative phase. No side effects reported throughout trial. The reduced toxicity with full efficacy favours low infrequent dosage

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