Rats in all groups except the sham-operation group were ligated of the left main coronary artery to establish model of MI.
除假手术组不结扎冠状动脉外，其他组均采用结扎左冠状动脉主干造成心肌梗死模型。
Unprotected left main disease is the traditional territory of coronary artery bypass grafting.
无保护左主干病变一直是冠脉搭桥治疗的传统领地。
The proportion of the left main, left anterior descending, left circumflex and right coronary artery that could be evaluated were 93.3%, 80%, 60% and 42.2%, respectively.
左冠状动脉主干、左前降支、左回旋支和右冠状动脉显示较好且能满足影像学评价分别占93.3%，80%，60%和42.2%。
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