... DES） 临床试验结果表明：与金属裸支架（Bare Mental Stent, BMS）相比，DES能明显降低支架术后再狭窄发生率（restenosis rate, RR） 在对DES好评如潮的同时，我们不禁要思考 样 问题：我们是否还需要BMS？
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统计支架术后再狭窄发生率，分析不同危险因素对支架再狭窄的影响。
The incidence of restenosis were calculated, and the factors of restenosis were analysed by COX regression.
另一方面，47%的患者出现了再狭窄，而应用裸支架的患者再狭窄发生率据报道是28%，而应用涂层支架的是6%。
On the other hand, restenosis developed in 47% of patients, versus reported rates of 28% for bare metal stents and 6% after drug-eluting stents.
术后6个月重复冠状动脉造影，比较两组间的晚期管腔丢失、支架再狭窄率及术后心血管不良事件发生率。
Coronary angiography was performed at the 6th month. The late lumen loss, stent restenosis and major adverse cardiac events were compared in both groups.
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