多发性肺动静脉瘘(AVFs)是一种罕见的儿童青紫性疾病,该文通过对2例儿童多发性肺动静脉瘘的分析,研究了该病的病因、临床表现、诊断以及治疗方法。 病例1:患儿8岁时出现紫绀,进行性加重,氧饱和度为85％,运动负荷试验提示剧烈运动时患儿氧饱和度下降,紫绀加重;患儿无特殊症状,肺功能检查正常,肝、脾轻度增 Multiple pulmonary arteriovenous fistula (AVFs) is a rare childhood purple-violet disease. The etiology, clinical manifestations, diagnosis and treatment of 2 cases of multiple pulmonary arteriovenous fistula were studied in this paper. Case 1: Children with cyanosis at 8 years of age, progressive increase in oxygen saturation of 85%, exercise stress test showed severe exercise decreased oxygen saturation in children with cyanosis; children without special symptoms, normal pulmonary function tests, Liver, spleen mild increase