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目的 比较室间隔缺损部分较大的完全性房室间隔缺损行1.5片法与改良单片法治疗的手术效果.方法 回顾性分析2005年1月至2016年1月我中心室间隔缺损部分较大的完全性房室间隔缺损患儿79例的临床资料.其中男37例、女42例,中位年龄8个月(1.5个月至10.2岁).45例行改良单片法,男20例、女25例,中位年龄6个月(1.5个月至10.2岁);34例行1.5片法,男17例、女17例,中位年龄5.3个月(2.5个月至8.3岁).所有入选患儿不合并右室双出口、单心室及大动脉异位等复杂畸形.结果 在改良单片法手术组中死亡率及再手术率均高于1.5片法组,改良单片法组中2例术后早期死亡(4.4％),其中1例因术后瓣膜反流而心力衰竭,1例死于重症肺炎引起的呼吸衰竭;3例再手术者,其中2例因瓣膜反流行瓣膜成形术,1例因残余室间隔缺损而再次手术,1.5片法组无死亡及再次手术者.两组中均无左室流出道梗阻及房室传导阻滞发生.结论 1.5片法治疗室间隔缺损部分较大的完全性房室间隔缺损患者效果较好.“,”Objective To compare the postoperative outcomes of modified single-patch technique and one-anda-half-patch technique for complete atrioventricular septal defect (CAVSD) with a large ventricular component (＞ 1 cm).Methods We retrospectively reviewed clinical data of 79 CAVSD patients with a large ventricular component (＞ 1 cm) in Shanghai Children's Medical Center from January 2005 through January 2016.There were 37 males,42 females with a median age of 8 months (range,1.5 months to 10.2 years).Among the patients,45 patients (20 males,25 females) with a median age of 6 months(range,1.5 months to 10.2 years) received modified single patch technique and 34 patients (17 males,17 females) with a median age of 5.3 months (range,2.5 months to 8.3 years) underwent one-and-a-half-patch (1.5-patch) technique.All the patients complicated with complex malformation such as double outlet of right ventricular,single ventricle,and transposition of great arteries were excluded.Results The mortality and reoperation rate in modified single-patch group were higher than those of the one-and-a-half-patch group.There were 2 postoperative early deaths in the modified single-patch group (4.4％).Among them,one patient died of postoperative valvular regurgitation and heart pump failure.The other one died of respiratory failure caused by severe pneumonia.There were 3 reoperations.Two patients performed valve plastic surgery because of valve regurgitation and one patient because of residual ventricular septal defect.There was no death and reoperation in the one-and-a-half-patch technique group.No left ventricular outflow tract obstruction and atrioventricular block in both groups were developed.Conclusion The 1.5-patch technique is an attractive clinical option in CAVSD patients with a large ventricular component.