在缺水运动员中评估运动引起的脱水:哪种方法显示出最有前途?
Rúben Francisco1, Filipe Jesus1, Olivia Di Vincenzo2
1Exercise and Health Laboratory, CIPER, Faculdade Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal.
Clinical nutrition (Edinburgh, Scotland)
|August 13, 2024
概括
唾液透性 (SOsm) 显示出追踪运动员脱水的前景. 血清 (Na+) 和血清度 (SeOsm) 是在2%的体重损失 (BML) 时脱水的准确预测指标.
科学领域:
- 运动医学 运动医学
- 运动生理学 运动生理学
- 生物标志物 生物标志物
背景情况:
- 运动引起的脱水在运动员中很常见.
- 检测运动员脱水的有效方法尚不清楚.
- 身体质量损失 (BML) 是水分状态的参考.
研究的目的:
- 为了分析运动员的脱水生物标志物.
- 比较唾液度 (SOsm),尿液度 (UOsm),尿液特异性重力 (USG),尿液颜色 (Ucolor),血清度 (SeOsm),血清氨酸血压素 (AVP),血清度 (Na+) 和口渴感.
- 使用BML作为脱水的参考方法.
主要方法:
- 在38名运动员 (17名女性) 的临床试验中,饮水量较低.
- 通过在高温 (29.8 ± 3.1°C) 中进行运动来诱导脱水.
- 在第一通风门的80-90%的个性化运行强度.
主要成果:
- 唾液度 (SOsm) 在BML水平 (AUC 0.76-0.87) 中表现出分辨能力.
- 血清 (Na+) 和血清度 (SeOsm) 在2% BML (AUC 0.87 和 0.91) 显示出高精度.
- SOsm在1.5%的BML时敏感;SeOsm和Na+在2%的BML时敏感.
结论:
- 唾液度 (SOsm) 是运动员水分状态的潜在指标.
- 血清 (Na+) 和血清度 (SeOsm) 准确地预测了1.75%和2%的BML脱水.
- 尿液指数和口渴感可能对脱水检测的准确性有限.
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