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呼吸窘迫综合征(Respiratory distress syndrome,RDS)是早产婴死亡的主要原因,特点是进行性肺不张,其病理生理学可用Laplace定律解释:P=T/r(T=液泡与空气界面的表面张力,r=液泡的半径,P=维持r所需的压力)
Respiratory distress syndrome (RDS) is the leading cause of preterm infant death characterized by progressive atelectasis and its pathophysiology can be explained by Laplace’s law: P = T / r (T = surface tension at bubble-air interface , r = radius of bubble, P = pressure required to maintain r)