用两种不同的水温来冷却体袋,用于治疗高温症
Aerospace medicine and human performance
|March 15, 2024
概括
用10°C或15°C的水冷却尸体袋有效降低了运动热中风 (EHS) 患者的直肠温度. 这两种温度都达到理想冷却速率的可接受水平,在冰水不可用时提供可行的替代方案.
科学领域:
- 环境医学 环境医学
- 运动医学 运动医学
- 紧急医疗 紧急医疗
背景情况:
- 强迫性热中风 (EHS) 是一种关键的医疗紧急情况,需要快速冷却才能生存.
- 专家指南建议冷却速度超过0.08°C/分钟,理想的速率高于0.16°C/分钟.
- 沉浸在体袋中的冰水可以实现高冷却率,但可能并不总是可行的.
研究的目的:
- 为了评估使用10°C和15°C的水来冷却尸体袋的有效性,用于治疗运动热中风.
- 为了确定这些温度是否产生可接受或理想的直肠温度 (TREC) 降温率和最低值.
主要方法:
- 12名参与者 (9名男性,3名女性) 在炎热状态下炼,直到TREC达到39.5°C.
- 参与者被冷却在一个尸袋中,用10°C (十) 或15°C (十五) 的水,直到TREC为38°C.
- 在这两种条件下都记录了直肠温度降温率和最低温度.
主要成果:
- 与15°C水 (0.14 ± 0.09°C/分钟) 相比,10°C水 (0.18 ± 0.07°C/分钟) 的冷却速度明显更快.
- 这两种冷却方法都达到专家定义的可接受 (>0.08°C/分钟) 和理想 (>0.16°C/分钟) 的冷却速度.
- 纳迪尔TREC在10°C组 (37.1 ± 0.3°C) 略低于15°C组 (37.3 ± 0.2°C). 在10°C组 (37.1 ± 0.3°C) 略低于15°C组 (37.3 ± 0.2°C).
结论:
- 用10°C和15°C的水冷却体袋,可以有效地减少TREC,以减轻运动热中风.
- 这些方法为缺乏冰水的临床医生提供了实用和有效的替代方案.
- 这些发现支持在EHS管理中使用非冰水体袋冷却.
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