消防模拟对血管和自主功能以及认知表现的影响:一个随机交叉研究
Iara G Teixeira1,2, Marcio R Verzola3, Richard E Filipini2
1Post-Graduate Program in Neurosciences, Federal University of Santa Catarina, Florianópolis, Brazil.
Frontiers in physiology
|October 9, 2023
概括
消防模拟并没有显著损害认知功能,但确实降低了血管反应和副交感心脏活动,可能会增加消防员的心血管风险.
科学领域:
- 身体生理学 身体生理学
- 职业健康 职业健康 职业健康
- 心血管研究研究心血管研究
背景情况:
- 消防涉及高的身体和认知需求,增加压力.
- 这种压力可能会对认知表现产生负面影响,并增加消防员心血管事件的风险.
研究的目的:
- 评估消防模拟对认知表现的影响.
- 在军事消防员的消防模拟后,评估血管和自主功能的变化.
主要方法:
- 16名军事消防员参与了一项与消防模拟和控制干预的交叉研究.
- 用Stroop测试,步调听力序列加法测试和Trail Making测试来测量认知表现.
- 血管功能 (心动脉反应) 和自主功能 (心率变化) 通过冷压测试和超声波测试进行评估.
主要成果:
- 在模拟和控制之间,认知表现在很大程度上保持相似,Stroop Test B部分的改善.
- 在消防模拟后,动脉的反应性显著减弱.
- 心率波动的高频带在模拟后较低,表明降低了副交感调制.
结论:
- 消防模拟并没有显著改变消防员的认知表现.
- 模拟后减弱的动脉反应性和降低的副交感心脏活动表明对心血管事件的脆弱性增加.
- 调查结果突出了消防员在值班期间潜在的职业健康风险.
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