Abstract To review the experience of surgical treatmernt for chronic pulmonary artery embolism,9 patientswith chronic pulmonary artery embolism underwent pulmonary thrombus endarterytomy under cardiopulmonarybypass from January1998 to January2001.

• 为探讨手术治疗慢性肺动脉栓塞的疗效,对9例临床诊断为慢性肺动脉栓塞患者在全麻及体外循环下行血栓清除及肺动脉内膜剥脱术。