对怀孕年龄中期的小婴儿的风险评估,以确定后续的护理
Ioannis Papastefanou1, Argyro Syngelaki1, Vasileios Logdanidis2
1Fetal Medicine Research Institute, King's College Hospital, London, UK; Institute of Women and Children's Health, School of Life Course and Population sciences, King's College London, London, United Kingdom.
American journal of obstetrics and gynecology
|June 14, 2025
概括
一个新的竞争性风险模型准确地预测了使用怀孕期中期评估的怀孕年龄小的新生儿 (SGA). 这允许量身定制的产前监测,改善高风险怀孕的结果,资源有限.
科学领域:
- 孕产妇和胎儿的医学
- 新生儿结局的结果.
- 在产科中使用预测建模.
背景情况:
- 对于怀孕年龄小 (SGA) 新生儿的传统风险评分方法有局限性.
- 胎儿医学基金会 (FMF) 的体重表使用估计的胎儿体重 (EFW),因为早产的病理妊娠.
- 在妊娠中期对SGA进行个性化风险评估可以指导SGA早产怀孕的产前管理.
研究的目的:
- 在怀孕24周后对SGA新生儿的估计风险进行分层评估,怀孕期为<28,<32,<36周.
- 为了结合孕产妇的风险因素,EFW和子宫动脉脉动指数 (三重测试) 在怀孕中期进行评估.
- 为了指导高风险SGA怀孕的26,30和33周的超声波监测.
主要方法:
- 对单独怀孕的前性,非干预性研究,在怀孕19-23周接受例行超声波检查.
- 使用竞争性风险模型估计患者特定的SGA在<36周的分娩风险,使用三重测试.
- 计算了各种风险切线的灵敏度,特异性,正和负预测值,以达到80-90%的检测率.
主要成果:
- 这项研究包括134,443例怀孕,其中12.51%的SGA新生儿 (<10百分位) 出生.
- 查识别80%的SGA新生儿 (<第10百分位数) 导致查阳性率为9.5% (<28w),19.6% (<32w) 和29.6% (<36w).
- 校准图表显示,预测风险与观察到的SGA发生率之间存在良好的一致性.
结论:
- 对SGA的中期孕期风险评估在确定需要加强监测的子组方面是有效的.
- 针对SGA的FMF竞争风险模型可以根据所需的检测率和可用的临床资源进行定制.
- 这种方法支持早产SGA怀孕的有针对性的产前护理.
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