Background Aprotinin (Trasylol) is used to mitigate bleeding during coronary-artery bypass grafting (CABG). Accumulating evidence suggests that this practice increases mortality.

• 背景：抑肽酶（特斯乐）被用于冠脉搭桥术中以减少出血。越来越多的证据显示这一治疗方式增加死亡率。