期刊
JACC-CARDIOVASCULAR INTERVENTIONS
卷 13, 期 24, 页码 2840-2849出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcin.2020.08.035
关键词
drug-coated balloon; everolimus-eluting stent(s); small coronary vessel disease; native vessel disease br
OBJECTIVES This study sought to compare the performance of a novel drug-coated balloon (DCB) (Elutax SV, Aachen Resonance, Germany), with an everolimus-eluting stent (EES) (Abbott Vascular, Santa Clara, California) in patients with de novo lesions. BACKGROUND Small vessel coronary artery disease (SVD) represents one of the most attractive fields of application for DCB. To date, several devices have been compared with drug-eluting stents in this setting, with different outcomes. METHODS The PICCOLETO II (Drug Eluting Balloon Efficacy for Small Coronary Vessel Disease Treatment) trial was an international, investigator-driven, multicenter, open-label, prospective randomized controlled trial where patients with de novo SVD lesions were randomized to DCB or EES. Primary study endpoint was in-lesion late lumen loss (LLL) at 6 months (independent core laboratory), with the noninferiority between the 2 arms hypothesized. Secondary endpoints were minimal lumen diameter, percent diameter stenosis at angiographic follow-up, and the occurrence of major adverse cardiac events at 12 months. RESULTS Between May 2015 and May 2018, a total of 232 patients were enrolled at 5 centers. After a median of 189 (interquartile range: 160 to 202) days, in-lesion LLL was significantly lower in the DCB group (0.04 vs. 0.17 mm; p = 0.001 for noninferiority; p = 0.03 for superiority). Percent diameter stenosis and minimal lumen diameter were not significantly different. At 12-month clinical follow-up, major adverse cardiac events occurred in 7.5% of the DES group and in 5.6% of the DCB group (p = 0.55). There was a numerically higher incidence of spontaneous myocardial infarction (4.7% vs. 1.9%; p = 0.23) and vessel thrombosis (1.8% vs. 0%; p = 0.15) in the DES arm. CONCLUSIONS In this multicenter randomized clinical trial in patients with de novo SVD lesions, a new generation DCB was found superior to EES in terms of LLL as the angiographic pattern and comparable in terms of clinical outcome. (C) 2020 Published by Elsevier on behalf of the American College of Cardiology Foundation.
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