新生儿动脉导管开放(PDA)发生率较高,尤其是胎龄较小者。如PDA分流量较大时可发生心功能不全,使病情加重,出现呼吸困难、青紫、心率160次/min,肝肿大,心前区出现收缩期或收缩舒张期连续杂音,可采用心脏超声检查确定诊断[1]。本院新生儿科在2006年12月至2007年11月间对确诊为PD The incidence of neonatal patent ductus arteriosus (PDA) is higher, especially in those with smaller gestational age. Such as PDA sub-flow volume may occur when cardiac insufficiency, aggravating the condition, breathing difficulties, bruising, heart rate 160 beats / min, hepatomegaly, precordial systolic or diastolic diastolic continuous murmur can be echocardiography Check to confirm the diagnosis [1]. Neonatology in our hospital from December 2006 to November 2007 for the diagnosis of PD