先天性肺动脉分枝发育不全或狭窄最常见于伴有或不伴有肺动脉瓣闭锁的法乐氏四联症。病变广泛或严重者可威胁患者生命,且迄今无有效治疗方法。本文报道应用经皮球囊扩张血管成形术(BDA)进行治疗的经验。病例和方法:1981年起24例患儿(男女各12例),年龄4个月～16岁(其中9例≤2岁),共施行 Congenital pulmonary artery hypoplasia or stenosis is most commonly associated with tetralogy of Fallot with or without pulmonary atresia. Extensive or severe disease can threaten the lives of patients, and so far no effective treatment. This article reports on the experience of percutaneous balloon angioplasty (BDA) for treatment. Cases and Methods: A total of 24 patients (12 males and 12 females), aged 4 months to 16 years (9 of them ≤2 years old)