期刊
CATHETERIZATION AND CARDIOVASCULAR INTERVENTIONS
卷 98, 期 1, 页码 66-75出版社
WILEY
DOI: 10.1002/ccd.29111
关键词
drug coated balloons; drug eluting stents; percutaneous coronary intervention; small vessel coronary artery disease
资金
- Fundacion Alfonso Martin Escudero (Madrid, Spain)
Comparing DCB with DES in the treatment of native small vessel CAD, there is similar risk of TVR and TLR, but DCB use reduces the risk of vessel thrombosis, although DES implantation yields slightly better angiographic surrogate endpoints.
Objectives and background There is conflicting evidence about the effects of drug-coated balloons (DCB) compared with drug-eluting stents (DES) in patients with native small vessel coronary artery disease (CAD). Methods The PubMed, Embase, Cochrane Central Register of Controlled Trials, and databases and main international conference proceedings were searched for randomized controlled trials (RCT) comparing DCB versus DES in patients with native small vessel CAD. Data were pooled by meta-analysis using a random-effects model. The primary endpoint was target vessel revascularization (TVR). Secondary clinical endpoints were: myocardial infarction (MI), target lesion revascularization (TLR), all-cause death, cardiac death, and stent thrombosis or target vessel thrombosis. Secondary angiographic outcomes were: in-segment restenosis, in-segment percentage-diameter stenosis, in-segment late lumen loss, in-segment net luminal gain, and in-segment minimal lumen diameter. Results Five trials enrolling 1,459 patients were included. Mean clinical follow-up was 10.2 months. The use of DCB, compared with DES, was associated with similar risk of TVR (odds ratio [OR]: 0.97; 95% confidence interval [CI] 0.56 to 1.68;p= .92), TLR (OR: 1.74; 95% CI: 0.57 to 5.28;p= .33), all-cause death (OR: 1.03; 95% CI: 0.14 to 7.48;p= .98), with a trend toward a lower risk of MI (OR: 0.49; 95% CI: 0.23 to 1.03;p= .06), and with significant lower risk of vessel thrombosis (OR: 0.12; 95% CI: 0.01 to 0.94;p= .04). DCB use was associated with similar risk of angiographic restenosis (OR: 1.12; 95% CI 0.69 to 1.84;p= .64), comparable late luminal loss (standardized mean difference (SMD): -0.18; 95% CI: -0.39 to 0.03;p= .09), while leading to significant higher percentage diameter stenosis (SMD: 0.27; 95% CI 0.12 to 0.41;p < .01) and smaller minimal luminal diameter (SMD: -0.52; 95% CI: -0.86 to -0.18;p= .003). Conclusion Compared with DES, the use of DCB for the treatment of native small vessel CAD is associated with similar TVR and restenosis and reduces the risk of vessel thrombosis, although DES implantation yields slightly better angiographic surrogate endpoints.
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