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A randomized, controlled trial of aspirin in persons recovered from myocardial infarction.

Abstract
The Aspirin Myocardial Infarction Study (AMIS) was a National Heart, Lung and Blood Institute-sponsored, multicenter, randomized, double-blind, and placebo-controlled trial designed to test whether the regular administration of aspirin to men and women who had experienced at least one documented myocardial infarction (MI) would result in a significant reduction in total mortality over a three-year period. Cause-specific mortality, nonfatal events, and side effects were also evaluated. Over a 13-month period, 4,524 persons between the ages of 30 and 69 years were randomized to either 1 g of aspirin per day (2,267 persons) or placebo (2,257 persons). High levels of patient compliance to study protocol were indicated by various measures. Total mortality during the entire follow-up period was 10.8% in the aspirin group and 9.7% in the placebo group. Three-year total mortality was 9.6% in the aspirin group and 8.8% in the placebo group. The percentage of definite nonfatal MI was 8.1% in the placebo group and 6.3% in the aspirin group. Coronary incidence (coronary heart disease mortality or definite nonfatal MI) was 14.1% in the aspirin group and 14.8% in the placebo group. Symptoms suggestive of peptic ulcer, gastritis, or erosion of gastric mucosa occurred in 23.7% of the aspirin group and 14.9% in the placebo group. Based on AMIS results, aspirin is not recommended for routine use in patients who have survived an MI.
Authors
JournalJAMA (JAMA) Vol. 243 Issue 7 Pg. 661-9 (Feb 15 1980) ISSN: 0098-7484 [Print] UNITED STATES
PMID6985998 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Randomized Controlled Trial)
Chemical References
  • Aspirin
Topics
  • Adult
  • Aged
  • Aspirin (administration & dosage, adverse effects, pharmacology, therapeutic use)
  • Clinical Trials as Topic
  • Female
  • Humans
  • Male
  • Middle Aged
  • Myocardial Infarction (mortality, rehabilitation)
  • Platelet Aggregation (drug effects)
  • Random Allocation
  • Recurrence
  • Sex Factors

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