胎儿血液动力学和胎盘组织病理学在唐氏综合征
Luisa Guimarães Santos1, Renato Augusto Moreira de Sá1,2, Ana Elisa Rodrigues Baião1
1Fetal Medicine Service, National Institute of Women, Children and Adolescents Health Fernandes Figueira/Oswaldo Cruz Foundation (IFF/FIOCRUZ), Rio de Janeiro, Brazil.
Journal of clinical ultrasound : JCU
|April 8, 2024
概括
这项研究发现动脉多普勒检测结果与唐氏综合征 (DS) 胎儿的胎盘病理之间没有显著的联系. 然而,所有的胎盘都表现出组织学变化,往往表明胎盘不足,特别是在小到妊娠年龄 (SGA) 的胎儿中.
科学领域:
- 周围生理学 周围生理学
- 胎儿医学 胎儿医学
- 病理学 病理学 病理学
背景情况:
- 唐氏综合征 (DS) 是一种染色体异常,与各种胎儿并发症有关.
- 胎盘缺陷是已知的怀孕胎儿异常怀孕的一个担忧.
- 动脉 (UA) 多普勒超声波用于评估胎儿健康和胎盘功能.
研究的目的:
- 为了研究UA多普勒模式与被诊断患有唐氏综合征的胎儿的胎盘组织病理发现之间的关系.
- 为了确定在DS怀孕中存在的特定胎盘变化.
主要方法:
- 从2014年1月到2022年1月,对已确认唐氏综合征 (DS) 的单子妊娠进行了回顾性横截面研究.
- 评估胎盘组织病理学,母亲特征和产前超声数据,包括UA多普勒指数.
- 对生物识别参数的分析,以识别妊娠年龄小的胎儿 (SGA).
主要成果:
- 胎盘 (100%) 普遍存在组织学变化,其中最常见的是质成熟延迟,胎儿血管 perfusion 差,以及质异形.
- 超过50%的胎盘显示胎盘不足;SGA子组中的所有胎盘都显示了不足的迹象.
- 在UA多普勒异常和特定的胎盘组织病理发现之间没有发现统计学意义上的关联.
结论:
- 动脉多普勒检测结果与唐氏综合征胎儿的胎盘组织病理学之间没有统计学意义上的关联.
- 胎盘变化,包括延迟状成熟和不足的迹象,在DS怀孕中很常见.
- 可能需要进一步的研究来了解胎儿遗传学,胎盘发育和多普勒发现之间的复杂相互作用.
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