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Am J Cardiol. 2010 Oct 1;106(7):946-51. doi: 10.1016/j.amjcard.2010.05.025. Epub 2010 Aug 11.

Comparison of drug-eluting and bare metal stents for saphenous vein graft lesions (from the National Heart, Lung, and Blood Institute Dynamic Registry).

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  • 1Tulane Heart and Vascular Institute, Tulane University, New Orleans, Louisiana, USA.

Abstract

The effectiveness and safety of drug-eluting stents (DES) compared with bare-metal stents (BMS) in saphenous vein graft (SVG) disease remains unclear. In particular, there is a paucity of data on long-term outcomes. In this study, 395 patients enrolled in the National Heart, Lung, and Blood Institute Dynamic Registry who underwent stenting of SVG lesions with BMS (n = 192) from 1999 to 2006 or DES (n = 203) from 2004 to 2006 were analyzed. Patients were followed prospectively for the occurrence of cardiovascular events and death at 3 years. Patients treated with DES were more likely to have diabetes mellitus and other co-morbidities and previous percutaneous coronary intervention. Treated lesions in DES patients were more complex than those in BMS patients. At 3 years of follow-up, the adjusted risk for target vessel revascularization (hazard ratio 1.03, 95% confidence interval 0.65 to 1.62, p = 0.91) and death or myocardial infarction (hazard ratio 0.72, 95% confidence interval 0.49 to 1.04, p = 0.08) was similar in patients treated with DES and those treated with BMS. The combined outcome of death, myocardial infarction, or target vessel revascularization excluding periprocedural myocardial infarction was also similar (adjusted hazard ratio 0.82, 95% confidence interval 0.62 to 1.09, p = 0.16). In conclusion, this multicenter nonrandomized study of unselected patients showed no benefit of DES in SVG lesions, including no reduction in target vessel revascularization, compared with BMS at 3 years. An adequately powered randomized controlled trial is needed to determine the optimal stent type for SVG percutaneous coronary intervention.

Copyright © 2010 Elsevier Inc. All rights reserved.

PMID:
20854955
[PubMed - indexed for MEDLINE]
PMCID:
PMC2945366
Free PMC Article
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