估计的核心温度算法的有效性在现实世界中在温暖的环境条件下进行长时间的步行炼
Mandy A G Peggen1, Coen C W G Bongers2, Johannus Q de Korte3
1Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, the Netherlands.
Journal of thermal biology
|October 9, 2024
概括
估计核心温度 (ECTempTM) 算法显示,在长时间在炎热中行走时估计核心体温的可接受的群体级准确性. 然而,个体准确性差异很大,只有17%的参与者符合可靠估计的标准.
科学领域:
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
- 可穿戴技术可穿戴技术
背景情况:
- 非侵入性核心体温 (TC) 估计方法正在出现.
- 在温暖条件下长时间行走时使用心率 (HR) 的估计核心温度 (ECTempTM) 算法的有效性需要检查.
研究的目的:
- 评估ECTempTM算法用于估计TC的团队级和个人参与者级准确性.
- 为了评估算法的性能在现实世界中,在温暖的环境条件下进行长时间的步行炼.
主要方法:
- 参与者 (n=18) 步行距离为30-50公里,TC通过食用囊测量,HR连续记录.
- 根据HR数据,ECTempTM算法计算了估计的核心温度 (TC-est).
- 布兰德-阿尔特曼分析评估了TC和TC-est之间的一致性,<0.1°C偏差被认为是可以接受的.
主要成果:
- 组级分析显示,TC和TC-est之间的系统偏差为0.09°C (共识极限±0.44°C).
- 在测量和估计的核心温度之间观察到弱相关性 (r=0.28).
- 在偏差 (-0.45°C到0.62°C) 中发现了显著的个体间变异性,只有3名参与者 (17%) 实现了可接受的偏差.
结论:
- ECTempTM算法证明了可接受的群体级偏差,用于在温暖的天气下长时间行走时估计核心体温.
- 个人的准确性是高度可变的,限制了算法的可靠性在现实世界的练习场景个人使用.
- 需要对ECTempTM算法进行进一步的改进,以提高个人用户的准确性和可靠性.
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