便携式超声波机器的精度用于产科生物识别
K J Rittenhouse1, B Vwalika1,2, Y Sebastião1
1Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC, USA.
概括
像Butterfly iQ和Clarius C3这样的便携式超声波设备 (PUM) 在胎儿生物识别和估计妊娠年龄 (EGA) 评估方面表现出高准确性. 这些设备是各种人群的可靠工具,尽管随着妊娠年龄的增长,有轻微的低估趋势.
科学领域:
- 产科和妇科 产科和妇科
- 医疗成像医学成像
- 胎儿医学 胎儿医学
背景情况:
- 准确的胎儿生物识别和估计妊娠年龄 (EGA) 对于最佳的怀孕管理至关重要.
- 便携式超声波机 (PUM) 在各种环境中提供了增加可访问性的潜力.
- 与高规格超声波机 (HSUM) 相比,评估PUM的准确性是必不可少的.
研究的目的:
- 评估两个PUM (蝶iQ和Clarius C3) 在胎儿生物识别和EGA计算中的准确性.
- 在多样化的群体中,将PUM性能与HSUM进行比较.
- 为了确定与妊娠年龄相关的任何准确性趋势.
主要方法:
- 来自胎儿年龄机器学习计划 (美国和赞比亚) 数据的二次分析.
- 使用HSUM和PUM (蝶iQ或Clarius C3) 进行胎儿生物识别和EGA的配对超声波扫描.
- 包括平均差异,类内相关系数 (ICC) 和Bland-Altman图表在内的统计比较.
主要成果:
- 蝶iQ和Clarius C3 PUM都表现出高精度,与HSUM相比,ICC≥0.989.
- 在EGA中平均差异很小:蝶iQ (-0.20至-0.68天),克拉里乌斯C3 (-0.47至-1.67天).
- 观察到低估EGA的温和趋势,在第二/第三个季度,两种PUM的妊娠年龄都在提升.
结论:
- 蝶iQ和Clarius C3 PUM在各种人群中对胎儿生物识别和EGA评估具有高度准确性.
- 这些PUM代表了产科护理的宝贵工具,特别是在资源有限的环境中.
- 进一步的研究可能会探索优化PUM使用以减轻妊娠年龄相关的低估趋势.
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