气管切开术自Jakjon于1909年施行以来,一直为临床应用,为危重病员的抢救赢得了时间,但手术后的并发症亦较多,其中以无名动脉出血最为严重。本院自1980～1992年间共施行此类手术378例,其中两例并发无名动脉出血,皆因救治无效而死亡。为减少此并发症的发生,对其进行临床探讨实为必要。1 无名动脉的解剖学特征 无名动脉又名头臂干,由主动脉弓直接发出,经气管前面向右上方斜开,达右侧胸锁关节后方,分为右颈总动脉和右锁骨下动脉,在其上行阶段与气管 Tracheostomy since the implementation of Jakjon in 1909, has been for clinical applications, for the rescue of critically ill patients won the time, but also more complications after surgery, of which the anonymous artery bleeding is the most serious. The hospital from 1980 to 1992, a total of 378 cases of such operations, of which two cases of unnamed arterial bleeding, died because of ineffective treatment. In order to reduce the occurrence of this complication, it is necessary to investigate it clinically. Anatomical characteristics of an anonymous artery The innominate artery, also known as the brachiocephalic trunk, is directly erupted by the aortic arch and is obliquely open to the upper right through the trachea to the right of the sternoclavicular joint. It is divided into the right common carotid artery and the right subclavian artery. Its up phase with trachea