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Prognostic importance of coronary anatomy and left ventricular ejection fraction despite optimal therapy: Assessment of residual risk in the Clinical Outcomes Utilizing Revascularization and Aggressive DruG Evaluation Trial
Prognostic importance of coronary anatomy and left ventricular ejection fraction despite optimal therapy: Assessment of residual risk in the Clinical Outcomes Utilizing Revascularization and Aggressive DruG Evaluation Trial AMERICAN HEART JOURNAL Mancini, G. B., Hartigan, P. M., Bates, E. R., Chaitman, B. R., Sedlis, S. P., Maron, D. J., Kostuk, W. J., Spertus, J. A., Teo, K. K., Dada, M., Knudtson, M., Berman, D. S., Booth, D. C., Boden, W. E., Weintraub, W. S. 2013; 166 (3): 481-487Abstract
It is unknown if baseline angiographic findings can be used to estimate residual risk of patients with chronic stable angina treated with both optimal medical therapy (OMT) and protocol-assigned or symptom-driven percutaneous coronary intervention (PCI).Death, myocardial infarction (MI), and hospitalization for non-ST-segment elevation acute coronary syndrome were adjudicated in 2,275 COURAGE patients. The number of vessels diseased (VD) was defined as the number of major coronary arteries with =50% diameter stenosis. Proximal left anterior descending, either isolated or in combination with other disease, was also evaluated. Depressed left ventricular ejection fraction (LVEF) was defined as =50%. Cox regression analyses included these anatomical factors as well as interaction terms for initial treatment assignment (OMT or OMT + PCI).Percutaneous coronary intervention and proximal left anterior descending did not influence any outcome. Death was predicted by low LVEF (hazard ratio [HR] 1.86, CI 1.34-2.59, P < .001) and VD (HR 1.45, CI 1.20-1.75, P < .001). Myocardial infarction and non-ST-segment elevation acute coronary syndrome were predicted only by VD (HR 1.53, CI 1.30-1.81 and HR 1.24, CI 1.06-1.44, P = .007, respectively).In spite of OMT and irrespective of protocol-assigned or clinically driven PCI, LVEF and angiographic burden of disease at baseline retain prognostic power and reflect residual risk for secondary ischemic events.
View details for DOI 10.1016/j.ahj.2013.07.007
View details for Web of Science ID 000324163600022
View details for PubMedID 24016497