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目的羊水板层小体计数和羊水泡沫试验预测早产儿发生呼吸窘迫综合征(RDS)两种方法的比较。方法对150例早产儿出生时全部采羊水进行板层小体计数和泡沫试验的检测,计算出每种方法的阴性预测值、阳性预测值、敏感性和特异性,并进行比较。结果板层小体计数和泡沫试验能很好的反映同一指标;但板层小体计数的上述各项指标均优于羊水泡沫试验,胎龄34w以内的早产儿尤为明显。结论早产儿尤其是胎龄34w以内的早产儿预测其是否发生RDS,羊水板层小体计数方法优于羊水泡沫试验。
Objective To compare the amniotic fluid lamellar body count and amniotic fluid foam test to predict the occurrence of respiratory distress syndrome (RDS) in preterm infants. Methods 150 cases of preterm infants were collected at the birth of amniotic fluid lamellar body counting and foam test, to calculate the negative predictive value of each method, positive predictive value, sensitivity and specificity, and compared. Results The lamellar body count and foam test can well reflect the same index. However, the above indexes of lamellar body count are superior to those of amniotic fluid foam test. The preterm infants within 34w gestational age are especially obvious. Conclusions Preterm infants, especially preterm infants within 34 weeks gestational age, predict whether RDS occurs or not, and amniotic fluid lamellar body counting method is superior to amniotic fluid bubble test.