在手术前评估环境中进行血压和血红蛋白水平评估的远程光电显微镜技术:算法开发研究
Selene Y L Tan1, Jia Xin Chai1, Minwoo Choi2
1Division of Anesthesiology and Perioperative Medicine, Singapore General Hospital, Outram Road, Singapore, 169608, Singapore.
JMIR formative research
|June 6, 2025
概括
远程光斑血学 (rPPG) 提供了一种非侵入性的智能手机方法,用于在手术前测量血压和血红蛋白. 这种新的算法对多样化的患者来说是有前途的,提高了医疗保健的便利性和效率.
科学领域:
- 医疗技术 医疗技术 医学技术
- 生物医学工程 生物医学工程
- 医疗信息学 医疗信息学
背景情况:
- 血压和血红蛋白度是重要的手术前麻醉评估指标.
- 使用智能手机的远程光电显微镜 (rPPG) 提供了非侵入性测量潜力.
- 目前的rPPG技术对各种肤色和并发症的数据有限,阻碍了广泛使用.
研究的目的:
- 开发第一个基于rPPG的非侵入性血压和血红蛋白测量算法,用于术前评估.
- 为了使rPPG技术能够在现实世界的临床实践中应用.
主要方法:
- 一项涉及200名患者的研究在新加坡总医院进行.
- 基于rPPG的静缩和静缩血压测量与自动设备进行了比较.
- 基于rPPG的血红蛋白度与传统的血液采样进行了比较.
主要成果:
- 该模型实现了对透气血压的高精度 (平均绝对百分比误差7.52%).
- 系统性血压预测显示平均绝对百分比误差为9.52%.
- 血红蛋白度预测的平均绝对百分比误差为8.52%.
结论:
- 非侵入性rPPG具有重要的潜力进行手术前评估,提高方便性和效率.
- 开发的模型准确地预测了多样化的患者队列中的透缩血压.
- 需要进一步的研究来验证和完善rPPG模型,以便在更广泛的临床采用.
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