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Am Heart J. 2013 Feb;165(2):241-50.e4. doi: 10.1016/j.ahj.2012.08.007. Epub 2012 Dec 27.

Safety and efficacy of everolimus- versus sirolimus-eluting stents: a systematic review and meta-analysis of 11 randomized trials.

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1
Department of Internal Medicine, Seoul National University Hospital, South Korea.

Abstract

BACKGROUND:

While EES have proven superior to paclitaxel-eluting stents, it remains uncertain whether EES improve clinical outcomes compared to SES, which are the most efficacious among the first-generation drug-eluting stents. We performed a meta-analysis of randomized trials comparing the efficacy and safety of everolimus-eluting stents (EES) versus sirolimus-eluting stents (SES) in patients undergoing percutaneous coronary intervention.

METHODS:

From online and offline search until December 2011, we identified 11 randomized trials (total 12,869 patients). The primary endpoint was major adverse cardiac events.

RESULTS:

The risk of major adverse cardiac events did not differ significantly between the patients treated with EES versus SES [OR, 0.90 (95% CI, 0.77-1.04); P = .162]. However, we found a significant reduction in the risk of repeat revascularization in the EES arm [OR, 0.85 (95% CI, 0.71-1.00); P = .047]. There were no significant differences regarding the risk of cardiac death [OR, 0.97 (95% CI, 0.74-1.27); P = .834], or myocardial infarction [OR, 0.95 (95% CI, 0.75-1.20), P = .656]. The risk of definite or probable stent thrombosis tended to be lower [OR, 0.68 (95% CI, 0.45-1.02); P = .065], while definite ST was significantly lower [OR, 0.44 (95% CI, 0.25-0.80); P = .007] with EES.

CONCLUSIONS:

In a large systematic overview of comparative trials involving percutaneous revascularization with drug-eluting stents, treatment with EES significantly reduced the risk of repeat revascularization and definite ST compared to SES. We found no significant differences in the risk of cardiac death or myocardial infarction.

PMID:
23351828
DOI:
10.1016/j.ahj.2012.08.007
[Indexed for MEDLINE]
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