1　资料与方法1 1　一般资料　自 1993年 1月至 1999年 2月在我院分娩产妇共 1992例 ,按《头位难产》羊水分度 ,其中羊水Ⅱ～Ⅲ度粪染435例 ,占 2 1 8% ,随机选择新生儿 2 12例 ,均为第 1产 ,在娩出后常规气管插管抢救作为插管组 ;选择同期羊水粪染新生儿2 2 3例作为对照组 ,基 1 Materials and Methods 1 1 General Information From January 1993 to February 1999 a total of 1992 cases of maternal delivery in our hospital, according to “head position difficult labor” amniotic fluid index, of which amniotic fluid Ⅱ ~ Ⅲ feces 435 cases, accounting for 2 18% of newborns were randomly selected, all of which were in the first production. After the delivery, conventional tracheal intubation rescue was used as an intubation group. Twenty-two neonates with meconium-stained amniotic fluid during the same period were selected as the control group