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We explored the safety and quality-of-life consequences of treating patients with stable coronary disease and high-risk features initially with optimal medical therapy (OMT) alone compared to OMT plus percutaneous coronary intervention. This was a post hoc analysis of Clinical Outcomes Utilizing Revascularization and Aggressive DruG Evaluation (COURAGE) trial patients. We defined high risk as the onset of Canadian Cardiovascular Society class III angina within 2 months or stabilized acute coronary syndrome within 2 weeks of enrollment. The primary end point was death or myocardial infarction after 4.6 years. Of the 2,287 patients enrolled in the COURAGE trial, 264 (12%) were high risk and had a relative risk of 1.56 for death or myocardial infarction (p = 0.0008) compared to those with non-high-risk features. A total of 35 primary events occurred in the OMT group and 32 in the percutaneous coronary intervention plus OMT group (hazard ratio 1.11, 95% confidence interval 0.69 to 1.79; p = 0.68). No significant difference was found in the prevalence of angina between the 2 groups at 1 year. During the first year of follow-up, 30% of the OMT patients crossed over to the revascularization group. In conclusion, an initial strategy of OMT alone for high-risk patients in the COURAGE trial did not result in increased death or myocardial infarction at 4.6 years or worse angina at 1 year, but it was associated with a high rate of crossover to revascularization.
View details for DOI 10.1016/j.amjcard.2009.05.056
View details for Web of Science ID 000270864600009
View details for PubMedID 19801024