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首页> 外文期刊>BMC Pregnancy and Childbirth >Accuracy of immediate antepartum ultrasound estimated fetal weight and its impact on mode of delivery and outcome - a cohort analysis
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Accuracy of immediate antepartum ultrasound estimated fetal weight and its impact on mode of delivery and outcome - a cohort analysis

机译：立即产前超声估计胎儿体重的准确性及其对分娩方式和结局的影响-队列分析

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The aim of the study was to investigate the accuracy of ultrasound-derived estimated fetal weight (EFW) and to determine its impact on management and outcome of delivery. In this single-center cohort analysis, women with a singleton term pregnancy in the beginning stages of labor were included. Women with immediately antepartum EFW (N?=?492) were compared to women without ultrasound (N?=?515). EFW was correct (deviation from birth weight?≤?10%) in 72.2% (355/492) of patients with fetal biometry; 19.7% (97/492) were underestimated, and 8.1% (40/492) were overestimated. Newborns with a lower birth weight were more frequently overestimated, and newborns with higher birth weight were more frequently underestimated. The mean difference between EFW and real birth weight was ??114.5?g (standard deviation ±313?g, 95% confidence interval 87.1–142.0). The rate of non-reassuring fetal heart tracing (9.8% vs. 1.9%, P?
机译：这项研究的目的是调查超声估计胎儿体重（EFW）的准确性，并确定其对管理和分娩结果的影响。在此单中心队列分析中，包括了分娩初期单胎妊娠的妇女。将具有立即产前EFW的女性（N？=？492）与没有超声的女性（N？=？515）进行比较。 72.2％（355/492）的胎儿生物学检查患者的EFW是正确的（偏离出生体重？≤？10％）;低估了19.7％（97/492），而高估了8.1％（40/492）。出生体重较低的新生儿经常被高估，而出生体重较高的新生儿则经常被低估。 EFW与实际出生体重之间的平均差为?? 114.5？g（标准偏差±313？g，95％置信区间87.1–142.0）。在EFW患者中，无法放心的胎儿心脏追踪率（9.8％比1.9％，P 0.001）和剖腹产率（9.1％比5.0％，P <= 0.013）更高。高估会增加剖腹产的风险（赔率2.80; 95％置信区间1.2–6.5，P = 0.017）。调整后，EFW仍与增加的令人不安的胎儿心脏追踪（奇数比4.73; 95％置信区间2.3-9.6）和剖腹产相关（奇数比1.86; 95％置信区间1.1-3.1）相关。两组的会阴部流泪3/4级，肩难产，产后抑郁和新生儿酸中毒的发生率在两组之间没有差异。产前超声检查得出的EFW不能改善母体和胎儿的预后，因此不建议使用。

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