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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Prediction of abortion using three-dimensional ultrasound volumetry of the gestational sac and the amniotic sac in threatened abortion
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Prediction of abortion using three-dimensional ultrasound volumetry of the gestational sac and the amniotic sac in threatened abortion

机译：在先兆流产中使用妊娠囊和羊膜的三维超声容积法预测流产

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Purpose.: To determine whether gestational sac volume (GSV) or amniotic sac volume (ASV) and/or the difference between them can predict abortion in women with first-trimester threatened abortion. Methods.: Ninety patients between 6 and 12 weeks of gestation presenting with vaginal bleeding were studied. Seventy-six delivered after 24 weeks of gestation (group A) and 14 aborted before 20 weeks of gestation (group B). All patients had a singleton viable pregnancy demonstrated by transvaginal ultrasound. Gestational sac and amniotic sac volumes were measured in all the patients using three-dimensional transvaginal ultrasound with Virtual Organ Computer-aided Analysis software, and the gestational sac volume - amniotic sac volume (GSV - ASV) was calculated. Results.: The groups did not differ in terms of age, parity, number of previous abortions, or term deliveries. The GSV (group A: mean 32.0 ± 27.7 cm 3; group B: 26.7 ± 29.1 cm 3) and the ASV (group A: 21.1 ± 25.5 cm 3; group B: 20.6 ± 26.0 cm 3) were not statistically different, while the GSV - ASV was significantly smaller in group B (aborting before week 20) (group A: 10.9 ± 10.9 cm 3; group B: 6.1 ± 8.6 cm 3; p 0.05). Using receiver operator curves, the area under the curve for predicting normal pregnancy outcome of the GSV - ASV measurement was 0.654. When the GSV - ASV was 1.8 cm 3 or less, abortion was predicted with 84% sensitivity and 43% specificity. Conclusions.: The measurement of the GSV and the ASV are not good predictors of abortion in patients with first-trimester vaginal bleeding, whereas the use of the GSV - ASV may be helpful in predicting the outcome of pregnancy.
机译：目的：确定妊娠期先兆流产妇女的胎囊容积（GSV）或羊膜囊容积（ASV）和/或两者之间的差异是否可以预测流产。方法：研究了妊娠6至12周内阴道流血的90例患者。妊娠24周后分娩的有76例（A组），妊娠20周前分娩的有14例（B组）流产。经阴道超声证实所有患者均单胎存活。使用三维器官超声和虚拟器官计算机辅助分析软件对所有患者的妊娠囊和羊膜囊体积进行测量，并计算出妊娠囊的体积-羊膜囊体积（GSV-ASV）。结果：各组在年龄，胎次，既往流产次数或足月分娩方面无差异。 GSV（A组：平均32.0±27.7 cm 3; B组：26.7±29.1 cm 3）和ASV（A组：21.1±25.5 cm 3; B组：20.6±26.0 cm 3）在统计学上没有差异，而B组（第20周前中止）的GSV-ASV显着较小（A组：10.9±10.9 cm 3; B组：6.1±8.6 cm 3; p <0.05）。使用接收者算子曲线，用于预测GSV-ASV测量的正常妊娠结果的曲线下面积为0.654。当GSV-ASV为1.8 cm 3或更小时，预测流产的敏感性为84％，特异性为43％。结论：GSV和ASV的测量并不是妊娠早期阴道流产患者流产的良好预测指标，而GSV-ASV的使用可能有助于预测妊娠结局。

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