脐动脉血流S/D比值预测脐带扭转妊娠结局的临床意义

 [摘要]目的 探讨彩色多普勒超声测定脐带螺距值和S/D比值产前诊断脐带扭转的临床价值，研究脐血流S／D比值预测脐带扭转阴式试产结局和新生儿结局的临床意义。方法 应用彩色多普勒超声测量脐带螺距值和S/D比值，产前诊断脐带扭转，出生后再次检查脐带，确诊是否脐带过度扭转，依据S/D比值分为两组，一组S/D≥3共62例作为观察组，另一组S/D＜3共44例作为对照组，比较两组中产前诊断脐带过度扭转的符合率和产钳助产率、剖宫产率、脐带血气分析结果，新生儿Apgar评分，羊水性状等。结果 应用彩色多普勒超声测量脐带的螺距值和S/D比值，产前诊断脐带过度扭转的总符合率为89.9%，观察组中符合率为95.4%，明显高于对照组；观察组中产钳助产率、剖宫产率、新生儿窒息率均明显高于对照组，差异具有统计学意义。结论 应用超声测量脐带的螺距值和S/D比值可预测脐带过度扭转，脐血流S／D比值可以作为观察脐带过度扭转的胎儿宫内状态的指标，并指导分娩方式的选择，具有重要的临床意义。[关键词] 脐带扭转;S／D比值;妊娠结局[中图分类号]R7l4．43 [文献标识码]

Clinical Significance of Umbilical Artery S/D Ratio for Predicting the Outcome of Umbilical Cord Torsion

Objective To explore the clinical value of the pitch value and S/D ratio measured by umbilical aretery Doppler for prenatal diagnosis of umbilical cord torsion,and to study the clinical significance of S/D ratio for predicting the outcomes of trial production and neonates in umbilical cord torsion.Methods The prenatal diagnosis of umbilical cord torsion was established by the pitch value and S/D ratio measued by umbilical aretery Doppler.The diagnosis of umbilical cord torsion was confirmed by examining the...