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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Can+J+Cardiol 2014 ; 30 (12): 1595-601 Nephropedia Template TP
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Appropriate Revascularization in Stable Angina, Lessons from the BARI 2D Trial #MMPMID25475464
Can J Cardiol 2014[Dec]; 30 (12): 1595-601 PMID25475464show ga
Background: The 2012 Guidelines for Diagnosis and Management of Patients with Stable Ischemic Heart Disease recommend intensive antianginal and risk factor treatment (OMT) before considering revascularization to relieve symptoms. The Bypass Angioplasty Revascularization Investigation 2 Diabetes (BARI 2D) randomized patients with ischemic heart disease and anatomy suitable to revascularization to 1): initial OMT with revascularization if needed or 2): initial revascularization plus OMT, and found no difference in major cardiovascular events. Ultimately, however, 37.9% of the OMT group was revascularized (crossed over) during the 5 year follow-up period. METHODS: Data from the 1192 patients randomized to OMT were analyzed to identify subgroups where the incidence of revascularization was so high that direct revascularization without a trial period could be justified. Multivariate logistic, Cox regression models of baseline data and a landmark analysis of participants not revascularized at six months were constructed. RESULTS: The models using only data available at the time of study entry had limited predictive value for revascularization by 6 months or by 5 years; however, the model incorporating severity of angina during the first 6 months could better predict revascularization (C statistic = .789). CONCLUSIONS: With the possible exception of patients with severe angina and proximal LAD disease, this analysis supports the recommendation of the 2012 GUIDELINES for a trial of OMT prior to revascularization. Patients could NOT be identified at the time of catheterization, but a short period of close follow-up during OMT identified the nearly 40% of patients who underwent revascularization.