增长减缓的胎儿在母亲休息后改善了他们的生长
Greggory R DeVore1,2, Bardo Polanco1
1Fetal Diagnostic Centers, Pasadena, California, USA.
Journal of clinical ultrasound : JCU
|September 18, 2024
概括
在左侧位置的孕产妇休息改善了胎儿的成长,对于胎儿的估计胎儿体重低于10个百分点的胎儿. 这种干预显示出胎儿估计体重的显著增加,这表明母亲心脏输出在胎儿发育中的作用.
科学领域:
- 周围生理学 周围生理学
- 胎儿医学 胎儿医学
- 孕产妇和胎儿医学 孕产妇和胎儿医学
背景情况:
- 胎儿生长限制 (FGR) 影响了大量的怀孕.
- 准确评估胎儿生长和识别生长异常对于及时干预至关重要.
- 母亲的位置可能会影响子宫胎盘血流和胎儿的健康.
研究的目的:
- 为了研究母亲在左侧躺卧位置休息对被诊断为估计胎儿体重 (EFW) 低于10百分点的胎儿生长的影响.
- 为了确定一个2周的孕产妇休息期是否会导致EFW在10个百分点以上的增加.
主要方法:
- 对265个胎儿进行了回顾性观察性研究,EFW<10百分位.
- 胎儿根据四种异常生长速度的定义进行分类:<20 g/天,第30百分位数下降,第50百分位数下降或异常轨迹.
- 在左侧躺卧位置休息2周,然后重新评估EFW.
主要成果:
- 在母体休息2周后,在所有生长速度定义中观察到EFW的显著增加 (p < 0.001).
- 改善率包括:增长<20g/day的75%,第30百分位数下降的79%,第50百分位数下降的64%,以及异常轨迹的77%.
- 这些发现表明,无论具体的生长限制标准如何,对母亲的休息都有积极的反应.
结论:
- 在左侧躺卧位置的孕产妇休息似乎促进胎儿生长,胎儿EFW<10百分点.
- 由于左侧位置导致母亲心脏输出增加,可能会增强子宫胎盘输液,从而改善胎儿生长.
- 需要进一步的前性随机试验来证实这些发现并建立临床指南.
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