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目的：报告４例心室间隔完整型肺动脉闭锁（ＰＡ＋ＩＶＳ）婴幼儿的一期手术根治结果，讨论此病的外科治疗。方法：４例患儿均为男婴，肺动脉闭锁部位均发生在肺动脉瓣水平，右心室３个部分都存在，分别于出生后３个月、１０个月、１１个月和２３个月在体外循环下行一期根治。结果：４例患儿均顺利度过了围术期，无并发症及死亡，根治效果满意。结论：心室间隔完整的肺动脉闭锁，如闭锁发生在肺动脉瓣水平且右心室３个部分均存在，可在新生儿或婴幼儿期行一期根治。
OBJECTIVE: To report the results of the first-stage operation in infants with 4 cases of complete ventricular septal pulmonary atresia (PA + IVS) and to discuss the surgical treatment of the disease. Methods: All 4 infants were male infants, and pulmonary atresia occurred at the level of pulmonary valve. There were 3 parts of right ventricle, which were in vitro, 3 months, 10 months, 11 months and 23 months after birth respectively Downstream a cycle of cure. Results: All the 4 children passed the perioperative period without complications and died, and the curative effect was satisfactory. Conclusion: Complete ventricular septal pulmonary atresia, such as atresia in the level of the pulmonary valve and the right ventricle are present in three parts, can be in the neonatal or infancy of a radical cure.