随访观察6个月，采用定量冠状动脉造影的方法对比观察两组患者冠脉病变的再狭窄情况。
The condition of treated coronary artery restenosis in the two groups was compared by way of quantitative coronary angiography and a 6 month follow up study was adopted.
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.
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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