论文部分内容阅读
1背景呼吸窘迫综合症(RDS)是早产儿最严重并发症,能导致即刻和长期的发病和死亡,并增加新生儿监护费用。1969年Liggins在研究分娩机制时发现给胎羊输注皮质激素可以加速胎肺成熟。随后Liggins进行了随机对照研究,发现产前应用皮质激素能减少RDS发生率。尽管二十世纪七八十年代
1 Background Respiratory distress syndrome (RDS) is the most serious complication of preterm infants and can lead to immediate and long-term morbidity and mortality and increase the cost of neonatal care. In 1969 Liggins in the study of the delivery mechanism found that fetal lactation of corticosteroids can accelerate fetal lung maturation. Then Liggins conducted a randomized controlled study found that prenatal corticosteroids can reduce the incidence of RDS. Although the seventies and eighties of the twentieth century