超声波估计的胎儿体重对生物识别参数的部分依赖
Vasiliki Bitsouni1, Nikolaos Gialelis2,3, Vasilis Tsilidis1
1Department of Mathematics, University of Patras, Patras, Greece.
Royal Society open science
|June 19, 2025
概括
腹周 (AC) 是用超声波估计胎儿体重 (EFW) 的最重要的因素,特别是在怀孕后期. 参数的重要性因配方和妊娠年龄而异,为准确的EFW评估指导临床选择.
科学领域:
- 产科和妇科 产科和妇科
- 医疗成像医学成像
- 胎儿医学 胎儿医学
背景情况:
- 准确估计的胎儿体重 (EFW) 在产科护理中至关重要.
- 目前EFW的超声波公式依赖于各种生物识别参数,但它们的个人贡献尚未完全理解.
研究的目的:
- 量化关键生物识别参数对EFW在多种已建立的超声波公式上的影响.
- 分析参数的重要性如何随妊娠年龄和配方类型而变化.
主要方法:
- 分析了来自不同人口和妊娠年龄的26个数据集.
- 应用Sobol的全球灵敏度分析来评估参数对EFW的影响.
- 引导测试用于估计双双面直径 (BPD),腹周 (AC),头周 (HC) 和股骨长度 (FL) 的中位灵敏度指数和置信区间.
主要成果:
- 腹周长 (AC) 通常是EFW的主导预测因素,特别是在晚期怀孕.
- 脊椎病,头周长 (HC) 和大腿长 (FL) 的重要性因特定配方和妊娠年龄而异.
- 三分之二的公式显示了参数交叉效应,近一半包括了对EFW贡献最小的参数.
结论:
- 在EFW配方中的参数意义取决于所使用的配方和妊娠年龄.
- 临床医生应根据妊娠年龄,测量可靠性和胎儿特征选择EFW配方.
- 该方法可以为开发更准确,更精细的胎儿体重估计模型提供信息.
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