Then each coronary artery was divided into corresponding 3 mm segments, representative histological sections were stained with Orcein. Atherosclerotic plaque area(mm 2) per segment was quantified on Leica Imaging System.

• 每支冠状动脉分成相应的 3mm血管段 ,组织切片 ,地衣红染色 ,L eica图像分析仪上计算粥样硬化面积。