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Abstract
Background. The everolimus-eluting stent (EES) is a second-generation drug-eluting stent (DES) which is designed to provide better stent deliverability, deployment, safety, and efficacy. We performed a meta-analysis to evaluate the relative safety and efficacy of the EES compared with the paclitaxel-eluting stent (PES).
Methods. The published literature was scanned by formal searches of electronic databases from January 2001 to August 2010. All randomized trials comparing EES versus PES and reporting the clinical outcomes were examined for analysis.
Results. A total of four randomized trials were included, involving 6,788 patients. EES were superior to PES with respect to the major adverse cardiac events (cardiac death, myocardial infarction (MI), and ischemia-driven target lesion revascularization (TLR)) within 1-year follow-up (OR 0.57; P < 0.001). The 1-year rates of MI, ischemia-driven TLR, and definite or probable stent thrombosis (ST) were also lower with EES than with PES (OR 0.57, P < 0.001 for MI; OR 0.48, P < 0.001 for TLR; OR 0.34, P < 0.001 for ST). There was no significant difference between EES and PES with respect to cardiac mortality (OR 0.93; P = 0.81).
Conclusion. The EES is superior to the PES in terms of 1-year safety and efficacy.
Declaration of interest: The authors state no conflict of interest and have received no payment in preparation of this manuscript.