通过概念热平衡方法探索耐热测试中的偏差
Philémon Marcel-Millet1, Daniel Gagnon2, Alexandra Malgoyre3
1Départment Environnements Opérationels, Institut de Recherche Biomédicale des Armées, Brétigny sur Orge, France; Laboratoire de Biologie de l'Exercice pour la Performance et la Santé, Université Evry-Paris-Saclay, Evry, France.
Journal of thermal biology
|March 4, 2025
概括
全球气候变化增加了热病风险. 耐热测试 (HTT) 可能存在偏差;预测出汗率 (Sreq) 可以改善运动员和军人耐热不耐受性评估和医疗护理.
科学领域:
- 环境生理学环境生理学
- 运动科学运动科学
- 气候变化影响气候变化的影响.
背景情况:
- 全球气候变化正在增加热浪,从而增加了因应热病的风险.
- 热耐受性测试 (HTT) 对于在恢复活动之前对运动后热中风患者进行分类至关重要.
- 当前的HTT协议可能包含影响准确热耐受性评估的偏差.
研究的目的:
- 调查热耐受性测试 (HTT) 条件和措施中的潜在偏差.
- 通过预测热平衡 (Sreq) 所需的汗流率来提高HTT结果的解释能力.
主要方法:
- 使用潘多尔夫方程计算了热平衡方程的所有组成部分,包括使用潘多尔夫方程计算代谢热量产生.
- 确定热平衡的蒸发要求,最大蒸发容量和Sreq在各种体质,BMI和风速中.
- 在模拟的HTT条件下分析了直肠温度变化和皮肤湿度.
主要成果:
- 结肠直肠温度变化似乎有效判断基于代谢热量产生的耐热性.
- 在超过75%的场景中,HTT条件在生理上是无法补偿的,这表明测试特异性的潜在问题.
- 由于形态,个体生理应变可能有所不同,这表明需要补偿性HTT条件.
结论:
- 斯雷克的预测为解释热不耐受和指导医疗护理提供了一个有价值的工具.
- 确保HTT条件在生理上可补偿,对于提高测试特异性至关重要.
- 解决HTT偏见和利用Sreq预测可以导致更好地管理运动热病.
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