新生儿期（特别是早产儿）症状性动脉导管未闭起病急，病情重，如不及时处理常致夭折。我院从１９９２年４月～１９９４年６月手术治疗４例新生儿期症状性动脉导管未闭，就诊断及治疗进行讨论。１资料与方法１．１一般资料４例中，男２例，女２例，胎龄分别为３５、３６、... Neonatal period (especially premature children) Symptoms of patent ductus arteriosus acute onset, serious condition, if not promptly died suddenly. Our hospital from April 1992 ~ June 1994 surgery in 4 cases of neonatal symptomatic patent ductus arteriosus, the diagnosis and treatment are discussed. 1 Materials and Methods 1.1 General Information 4 cases, 2 males and 2 females, gestational age were 35,36, respectively ...