胎儿心率跟踪和不良结果在短期的小与适合妊娠年龄相比
Shareen Patel1, Kristen A Cagino1, Aaron W Roberts1
1Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth), Houston, Texas, United States.
American journal of perinatology
|October 24, 2025
概括
对于妊娠年龄 (SGA) 较小的新生儿显示出更多的胎儿心率跟踪 (FHRT) 异常,特别是持续的II类FHRT. 然而,这些SGA婴儿的FHRT模式与新生儿不良结果或剖腹产分娩率的增加没有相关性.
科学领域:
- 产科 产科 产科 产科 产科
- 新生儿科学 新生儿科学
- 胎儿监测 胎儿监测 胎儿监测
背景情况:
- 对于妊娠年龄来说小的新生儿 (SGA) 被定义为出生时体重低于妊娠年龄的第10百分位.
- 适合妊娠年龄 (AGA) 的新生儿在第10个百分比和第89个百分比之间.
- 胎儿心率追踪 (FHRT) 对于评估产期胎儿健康至关重要.
研究的目的:
- 为了比较FHRT模式和SGA和AGA新生儿之间的新生儿产期 (≥37.0周) 的新生儿结局.
- 研究SGA新生儿FHRT异常和不良结果之间的关联.
主要方法:
- 在15个月的时间里,对15个月的期货分娩进行了回顾性队列研究.
- 盲目的产科医生使用亚历山大等人用于SGA/AGA分类的诺米图分析的FHRT.
- 剖腹产产率和综合新生儿不良结果 (CNAO) 的比较.
主要成果:
- 与AGA相比,SGA新生儿的延长减速和反复减速与收缩的比率明显更高.
- 持续的II类FHRT在SGA (37.4%) 比AGA (28.1%) 新生儿中更常见.
- 在SGA和AGA组之间的FHRT基线,变化,加速,剖腹产率或CNAO之间没有发现显著差异.
结论:
- 持续的II类FHRT在SGA新生儿中更为普遍,但不能预测新生儿不良后果.
- 孕期SGA婴儿的FHRT异常与非安慰性FHRT或新生儿发病率的剖腹产率增加无关.
- 结果支持共享决策,表明SGA新生儿的FHRT异常可能不需要干预,如果新生儿结果不受影响.
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