Drug-eluting stents versus bare-metal stents in acute myocardial infarction: A systematic review and meta-analysis

被引:12
作者
Suh, Hae Sun [1 ]
Song, Hyun Jin [1 ]
Choi, Ji Eun [1 ]
Jang, Eun Jin [1 ]
Son, Hee Jeong [1 ]
Lee, Sang Moo [1 ]
Kim, Jung-Sun [2 ]
Choi, Donghoon [1 ,2 ]
机构
[1] Natl Evidence Based Healthcare Collaborating Agcy, Seoul 110450, South Korea
[2] Yonsei Univ, Div Cardiol, Coll Med, Severance Cardiovasc Hosp, Seoul 120749, South Korea
关键词
Myocardial infarction; Drug-eluting stents; Systematic review; Meta-analysis; CLINICAL-OUTCOMES; FOLLOW-UP; QUALITY; TRIALS; BIAS;
D O I
10.1017/S0266462310001340
中图分类号
R19 [保健组织与事业(卫生事业管理)];
学科分类号
摘要
Objectives: Recent concerns have been raised for the safety after drug-eluting stents (DES) implantation compared with the use of bare-metal stents (BMS) in patients with ST-elevation acute myocardial infarction (STEMI). The objective of this study was to estimate the relative impact of DES versus BMS on mortality, myocardial infarction (MI), target vessel revascularization (TVR), and stent thrombosis (ST) in STEMI patients by performing comprehensive meta-analyses of randomized controlled trials (RCTs) and observational studies. Methods: We performed an electronic search and manual search of studies presented through September 2009, without language restrictions. An approach of "using systematic reviews" was used. Two independent reviewers extracted prespecified data from each study. A random-effects model was used to combine trials and to perform stratified analyses based on study designs and the duration of follow-up. Results: Fourteen RCTs were identified (N = 7,654). Compared with BMS, DES significantly reduced TVR (risk ratio [RR], 0.48; 95 percent confidence interval [Cl], 0.41-0.56) and MI (RR, 0.77; 95 percent Cl, 0.61-0.97), without increasing mortality (RR, 0.88; 95 percent Cl, 0.70-1.10) and ST (RR, 0.93; 95 percent Cl, 0.72-1.21). Among 35 observational studies (N = 44,849), the use of DES was associated with a significant reduction in mortality (RR, 0.85; 95 percent Cl, 0.79-0.91) and TVR (RR, 0.61; 95 percent Cl, 0.48-0.77). MI and ST were significantly lower in the DES group within 1-year follow-up, but there were no differences within 2 years of follow-up. There was no evidence of statistical heterogeneity and publication bias. Conclusions: These data in aggregate suggest that using DES in STEMI patients is safe and efficacious, but there are differences between RCT and observational data comparing DES and BMS.
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页码:11 / 22
页数:12
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