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Catheter Cardiovasc Interv. 2013 Jun 1;81(7):1127-33. doi: 10.1002/ccd.24649. Epub 2013 Feb 26.

Clinical efficacy and safety of biodegradable polymer-based sirolimus-eluting stents in patients with diabetes mellitus insight from the 4-year results of the create study.

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  • 1Shenyang Northern Hospital, Shenyang, China.

Abstract

BACKGROUND:

Diabetes mellitus is an independent predictor of adverse clinical events after drug-eluting stent implantation.

OBJECTIVES:

The objective of this study is to evaluate the long-term clinical efficacy and safety of biodegradable polymer-based sirolimus-eluting stents in diabetic versus non-diabetic patients.

METHODS:

A total of 2077 "all comers," including 440 (21.2%) diabetic patients and 1637 (78.8%) non-diabetic patients, were prospectively enrolled in the CREATE study at 59 centers in four countries. The recommended antiplatelet regimen was clopidogrel and aspirin for 6 months followed by chronic aspirin therapy. The primary outcome was the rate of major adverse cardiac events (MACE), defined as a composite of cardiac death, non-fatal myocardial infarction (MI), and target lesion revascularization (TLR).

RESULTS:

Diabetic patients had higher risks of all-cause death (8.2% vs. 3.4%, P < 0.001) and cardiac death (4.1% vs. 1.4%, P < 0.001) compared with non-diabetic patients at 4 years. The rates of non-fatal MI (0.2% vs. 0.9%, P = 0.218), TLR (2.0% vs. 2.8%, P = 0.357), MACE (5.9% vs. 4.4%, P = 0.227), and overall stent thrombosis (1.6% vs. 1.6%, P = 0.932) were not significantly different between diabetic and non-diabetic patients. A landmark analysis showed that prolonged clopidogrel therapy (>6 months) was not beneficial in reducing the cumulative hazards of MACE either in diabetic or non-diabetic patients (log rank P = 0.810).

CONCLUSIONS:

Biodegradable polymer-based sirolimus-eluting stents for the treatment of diabetic patients had a similar clinical event rate at 4 years compared with non-diabetic patients, except for a higher mortality rate.

Copyright © 2012 Wiley Periodicals, Inc.

PMID:
22945767
[PubMed - indexed for MEDLINE]
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