Background: Procedure-induced dissection of the left main coronary artery (LMCA) is a rare complication of coronary catheterization, but it may have fatal results.

• 摘要背景左主冠状动脉剥离是经皮冠状动脉介入性治疗手术很少见的并发症，然而一旦发生会有致命的危险。