期刊
CARDIOLOGY
卷 136, 期 4, 页码 252-257出版社
KARGER
DOI: 10.1159/000452125
关键词
Coronary atherosclerosis; Drug-eluting balloon; Cutting balloon; Optical coherence tomography
资金
- Chinese PLA General Hospital
Background: The drug-eluting balloon (DEB) is a promising tool to prevent restenosis after coronary angioplasty. However, data on the outcomes of DEB in de novo lesions are scarce. Vessel recoil and constrictive remodeling are the dominant causes of restenosis after angioplasty. The use of cutting balloons (CB) may effectively reduce elastic recoil after balloon dilation. In this study, we evaluate the efficacy and safety of DEB in treating de novo coronary artery lesions, using a predilation strategy with cutting balloon (CB) dilation before DEB angioplasty. Methods/Design: We present the design of a prospective, single-center, open-label, randomized, 2-arm clinical trial aiming to assess whether or not the strategy of CB dilation before DEB angioplasty reduces the primary end point of late lumen loss (LLL) compared with drug-eluting stent (DES) implantation alone for de novo coronary artery lesions. A total of 120 patients will be randomly enrolled into the DEB or DES group (1:1 ratio). The primary end point is insegment LLL at 12 months as measured by optical coherence tomography (OCT). Secondary end points include procedural success, such as angiographic success and device success, and clinical outcomes including all-cause death, myocardial infarction, target vessel revascularization, target lesion revascularization, and stent thrombosis. Discussion: The study will evaluate the clinical efficacy, angiographic outcomes, and safety of DEB after CB dilation compared with DES for the treatment of de novo coronary artery lesions guided by OCT. (C) 2016 S. Karger AG, Basel
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