Physicians should keep in mind that extremely angulated segments may reduce the successful rate of coronary stenting and contribute to the stent entrapment complication.

• 医生在置放血管支架时对于角度过大的冠状动脉必须小心，如此的解剖构造易造成支架卡在冠状动脉上而降低支架置放的成功率。