目的：评价长支架治疗冠状动脉长病变的疗效。
Objective: To evaluate efficacy of long stent in the treatment of long coronary artery lesion.
SES置入不受“标签”适应证的限制，靶病变包括支架内再狭窄、静脉搭桥、左主干局部病变、分叉病变和长病变。
The use of SES implantation was not restricted to "on-label" indications, and target lesions included in-stent restenosis, vein graft, left main stem locations, bifurcations, and long lesions.
接受药物洗脱支架的患者长病变和复杂病变比接受裸金属支架的患者多，而且接受双重抗血小板治疗1年的可能性较大。
DES recipients had longer and more complex lesions than BMS recipients and also were more likely to be receiving dual antiplatelet therapy at 1 year.
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