一足月儿生后两天经彩色多普勒超声心动图证实动脉导管未闭后 ,口服消炎痛三剂 ,第九天再作彩超动脉导管已闭。动脉导管未闭是小儿时期常见的先天性心脏病 ,其发生率约占先天性心血管畸形的2 0 %左右 ,女性多于男性 ,约 2～ 3:1。患儿男 ,2天 ,足月顺产 ,出生体重380 0ｇ ,生后 A full-term two days after birth by color Doppler echocardiography confirmed patent ductus arteriosus, oral indomethacin three doses, and then on the ninth day for the color Doppler catheter has been closed. Patent ductus arteriosus is a common congenital heart disease in infancy, the incidence of congenital cardiovascular malformations account for about 20%, more women than men, about 2 ~ 3: 1. Children male, 2 days, term full-term birth, birth weight 380 0g, after birth