Methods:Twenty-five patients with infrarenal aorti c aneurysm were randomly divided into two groups:control group(group A,n=10)and c aptopril group(group B,n=15). In Group B,captopril(15mg per patient)was orally ad ministrated 30 minutes before operation.

• 方法 :2 5例肾下主动脉瘤患者 ,随机分为对照组 (A组n =10 )和治疗组 (B组n =15) ,B组患者术前 3 0min口服卡托普利 15mg。