使用3D智能手机人类测量的身体水和液体平衡的预测模型
Austin J Graybeal1, Abby T Compton1, Sydney H Swafford1
1School of Kinesiology and Nutrition, University of Southern Mississippi, Hattiesburg, MS, United States.
Frontiers in physiology
|July 8, 2025
概括
智能手机的3D扫描准确地估计了体液体积,包括体液总量 (TBW),细胞外液体 (ECF) 和细胞内液体 (ICF). 这项技术为在临床环境之外评估水分和液体不平衡提供了可行的替代方案.
科学领域:
- 生物医学工程 生物医学工程
- 身体组成分析 身体成分分析
- 卫生技术评估 卫生技术评估
背景情况:
- 身体液体量 (TBW,ECF,ICF) 是身体组成和水分状态的关键指标.
- 传统的生物电阻装置在流体体积评估方面面临着应用方面的挑战.
- 智能手机3D扫描为自动化人体测量和流体体积估计提供了潜在的替代方案.
研究的目的:
- 开发和验证使用智能手机3D扫描对体液体积的预测模型.
- 评估智能手机衍生流体过载和不平衡预测的诊断性能.
- 探索智能手机扫描对体液评估的实用性,超出临床环境.
主要方法:
- 338名参与者通过生物电阻谱 (BIS) 和智能手机3D扫描进行了流体体积评估.
- 拉索回归在训练子集 (n=272) 中开发了TBW和ECF预测模型,在验证子集 (n=66) 上进行了测试.
- 计算了智能手机衍生的ICF;使用后勤回归和ROC分析预测了流体过载/不平衡.
主要成果:
- 新开发的基于智能手机的模型与BIS估计没有显著差异 (p ≥0.70).
- 在测试样本中观察到TBW (R2=0.91),ECF (R2=0.94) 和ICF (R2=0.87) 的高度一致.
- 智能手机预测的液体过载 (AUC=0.81) 和失衡 (AUC=0.76) 显示了可接受的诊断性能.
结论:
- 智能手机的3D扫描可以准确地评估体液量和不平衡.
- 这项技术为远程健康查和监测提供了新的机会.
- 基于智能手机的液体评估可以将健康监测能力扩展到传统临床环境之外.
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