超声诊断脐带绕颈的评价(附924例分析)

Diagnosis of cord round the neck by ultrasonography

目的 :探讨超声诊断脐带绕颈的临床价值。方法 :应用超声检查了单胎头位妊娠妇女92 4例 ,产前诊断脐带绕颈 2 2 5例 ;对比分析脐带绕颈组与无脐带绕颈组的围产儿病率。结果 :超声诊断脐带绕颈的阳性率、阴性率、敏感性、特异性和准确性分别为 91 .55%、96.70 %、89.95%、97.2 6%和 95.45%。脐带绕颈组胎儿窘迫和新生儿窒息明显高于无脐带绕颈组 (P<0 .0 0 5)。结论 :超声诊断脐带绕颈有阳性率高和准确性高的特点 。

Objective:To evaluate the value of ultrasound examination in cord around the neck Methods: Bultrasound were performed in 924 cases of single head presentation pregnant women225 cases of cord around the neck were diagnosed before birth and compared to the cases of the cord around the neck group with the normal pregnancies group in perinatal Results: Fetal distress and neonatal asphyxia in cord around the neck group were significantly higher than that in normal pregnant group (P<0005) Diagnosis of cord around the neck by ultrasound that the positive rate, negative rate ,sensitivity, specificity and accuracy rate were 9155%,9670%,8995%,9726% and 9545% respectively Conclusion: Diagnosis of cord around the neck by ultrasound have high positive rate and accuracy rate It can be used as a routine technique in clinical for diagnosis of cord around the neck