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目的探讨彩色多普勒超声(CDFI)对脐带绕颈的诊断价值和对分娩方式及新生儿预后的影响。方法选择脐带绕颈416例进行回顾性分析:①分析脐带绕颈的超声声像特点;②比较观察组与对照组对围生儿的影响;③分析S/D比值与分娩方式及出生后新生儿窒息率的关系。结果①彩色多普勒超声诊断脐带绕颈的正确率为95.7%(247/258);②观察组胎儿宫内窘迫及新生儿窒息率明显高于对照组(P<0.005);③S/D比值≥3的孕妇阴道助产率及新生儿窒息率也高于S/D<3者(P<0.05)。结论彩色多普勒超声,特别是S/D比值的应用,对分娩方式的选择及新生儿预后的估测有一定的意义。
Objective To investigate the diagnostic value of color doppler ultrasound (CDFI) on the umbilical cord around the neck and its influence on the mode of delivery and the prognosis of neonates. Methods 416 cases of umbilical cord around the neck were retrospectively analyzed: (1) the characteristics of umbilical cord around the neck were analyzed; (2) the effects of observation group and control group on perinatal children were analyzed; (3) S / D ratio, delivery mode and postnatal newborn Children asphyxia relationship. Results ① The accuracy of color Doppler ultrasound in diagnosing umbilical cord around the neck was 95.7% (247/258); ② The fetal distress and neonatal asphyxia rate in the observation group was significantly higher than that in the control group (P <0.005); ③ The S / D ratio The vaginal delivery rate and neonatal asphyxia of ≥3 pregnant women were also higher than those with S / D <3 (P <0.05). Conclusion The application of color Doppler ultrasound, especially the S / D ratio, is of certain significance for the choice of mode of delivery and the prognosis of neonates.