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Am Heart J. 2013 Sep;166(3):519-26. doi: 10.1016/j.ahj.2013.05.017. Epub 2013 Aug 6.

Change in enrollment patterns, patient selection, and clinical outcomes with the availability of drug-eluting stents in the Bypass Angioplasty Revascularization Investigation 2 Diabetes trial.

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1
New York University School of Medicine, New York, NY.

Abstract

BACKGROUND:

In the BARI 2D trial, patients with type 2 diabetes and stable coronary artery disease were randomized to prompt revascularization versus intensive medical therapy (IMT). This analysis sought to evaluate how the availability of drug-eluting stents (DESs) has changed practice and outcomes.

METHODS:

In BARI 2D, 1,605 patients were in the percutaneous coronary intervention (PCI)-intended stratum. As DES became available midway through recruitment, we report clinical outcomes among patients who underwent IMT versus prompt PCI with bare-metal stents (BMSs) or DES up to 4 years.

RESULTS:

In North America, after DES became available, selection for the PCI-intended stratum increased from 73% to 79% (P = .003). Fewer BMS than DES patients had total occlusions treated or underwent rotational atherectomy (5.6% vs 9.7%, P = .02, and 1.2% vs 3.7%, P < .01, respectively). Subsequent revascularization (IMT 39%, BMS 29%, DES 21%, P < .01) and target vessel revascularization (BMS 16.1% vs DES 9.6%, P = .03) were lower with DES. Angina at 2 years tended to be less common with DES (IMT 39%, BMS 37%, DES 29%, P = .04, for 3 groups, P = .07 for DES vs BMS). The composite of death, myocardial infarction, or stroke was IMT 16.0%, BMS 20.5%, DES 17.5%; P = .80.

CONCLUSIONS:

When DES became available in North America, patients were more likely to be selected into the PCI-intended stratum. Compared with patients receiving BMS, those receiving DES tended to have less target vessel revascularization and angina.

PMID:
24016502
PMCID:
PMC3867930
DOI:
10.1016/j.ahj.2013.05.017
[Indexed for MEDLINE]
Free PMC Article
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