胎儿大动脉血流速度和功率多普勒概况在第一季度:使用高清流量成像的综合性研究
Yi-Cheng Wu1,2,3, Ching-Hsuan Chen4, Hsin-Tzu Lu1
1Department of Biomedical Engineering, National Yang-Ming Chiao-Tung University, Taipei 112304, Taiwan.
Bioengineering (Basel, Switzerland)
|April 27, 2024
概括
这项研究使用高清流量成像在怀孕早期确定了胎儿大动脉血流参考值. 大动脉静脉缩指数 (ISI) 与胎儿参数有显著的相关性,这表明它在第一季度查中的相关性.
科学领域:
- 胎儿医学 胎儿医学
- 心血管超声波心血管超声波
- 怀孕诊断 怀孕诊断 怀孕诊断
背景情况:
- 确定胎儿心血管参数的规范性数据对于早期怀孕评估至关重要.
- 像高清流量成像 (HDFI) 这样的新型成像技术为改善胎儿血流评估提供了潜力.
研究的目的:
- 建立胎儿大动脉峡血流速度和第一个三个月的指数的参考值.
- 为了研究大动脉血流多普勒概况和胎儿参数 (巴厚度,冠长度,胎儿心跳) 之间的相关性.
- 评估HDFI在评估胎儿大动脉峡血流中的实用性.
主要方法:
- 通过2D功率多普勒超声波分析了262个胎儿.
- 大动脉血流参数 (PS,ED,TAMV,S/D,PI,RI,IFI,ISI) 进行测量.
- 评估了胎儿心跳 (FHB),部厚度 (NT) 和冠长度 (CRL).
主要成果:
- 妊娠年龄与PS,ED,PI和TAMV正相关,与ISI负相关.
- 大动脉PS,TAMV和ISI与NT,CRL和FHB有显著的相关性.
- 与IFI,PS,TAMV和FHB相比,ISI与胎儿参数的相关性更为显著.
结论:
- 使用超声波的动力多普勒血管造影可以确定胎儿大动脉血流的准确参考值在头三个月.
- 大动脉PS,TAMV和ISI与NT,CRL和FHB有显著的相关性.
- 与传统的彩色多普勒相比,HDFI在检测大动脉峡方面具有优势.
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