HealthDay News — Coronary artery bypass graft (CABG) surgery provides better intermediate health status and quality of life than percutaneous coronary intervention (PCI) with drug-eluting stents for patients with diabetes undergoing revascularization for multi-vessel coronary artery disease (CAD), but the differences are small and transient, researchers found.

Mouin S. Abdallah, MD, of Saint Luke’s Mid America Heart Institute in Kansas City, Mo., and colleagues assessed the effects of CABG (947 patients) versus PCI (953 patients) on health status and quality of life in patients with diabetes and multi-vessel CAD. The findings were published in Journal of the American Medical Association.

At two-year follow-up, the researchers observed significantly greater mean differences in treatment benefit in scores for angina frequency (1.3 points), physical limitations (4.4 points), and quality of life subscales (2.2 points) with CABG vs PCI. However, after the two-year follow-up period patient outcomes were similar in both groups.

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“Beyond two years, there were no consistent differences in any health status or quality-of-life domains between the CABG and PCI strategies,” the authors write.


  1. Abdallah MS et al. JAMA. 2013; 310(15):1581-1590.