在缺铁贫血个体的运动期间暴露于寒冷的心血管和热反应
Panagiotis Miliotis1, Spyridoula Ntalapera1, Panagiotis Lakeas1,2
1Division of Sport Medicine and Biology of Exercise, School of Physical Education and Sport Science, National and Kapodistrian University of Athens, 17237 Athens, Greece.
Journal of functional morphology and kinesiology
|September 26, 2025
概括
患有缺铁性贫血的个体在寒冷天气运动时表现出温度调节受损和心血管应变增加. 这项研究强调了在寒冷环境中患有贫血的人面临的风险.
科学领域:
- 运动生理学 运动生理学
- 环境医学 环境医学
- 血液学 血液学 血液学
背景情况:
- 铁缺乏性贫血个体在静止状态下暴露于寒冷时的温度调节受损.
- 关于感冒,贫血和运动对生理反应的联合影响的有限数据.
- 需要调查贫血个体在寒冷中炼期间的热量和心血管调整.
研究的目的:
- 在寒冷天气运动期间探索慢性轻度缺铁性贫血的热和心血管反应.
- 在寒冷和中性条件下,将贫血个体的反应与健康对照进行比较.
- 为了评估缺铁性贫血对温度调节和在寒冷中运动时心血管应变的影响.
主要方法:
- 9名贫血患者和9名对照参与者 (与身体组成相匹配) 进行了自行车运动.
- 在寒冷 (11°C) 和中性 (22°C) 条件下,在呼吸值以下10%的温度下进行运动.
- 研究终点:直肠温度增加1°C (Tre) 或运动1小时.
主要成果:
- 贫血个体在寒冷中表现出较低的Tre升高率和降低的平均皮肤温度 (Tsk).
- 与中性条件相比,只有控制条件在寒冷环境中增加了热量产生.
- 贫血组在寒冷中表现出过度的血压反应,这是由于总周围阻力和血管运动活动的增加.
结论:
- 慢性轻度缺铁性贫血会损害温度调节,由降低的Tre升高和在寒冷中减弱的代谢热量产生来证明.
- 贫血个体在寒冷天气运动时经历了心血管应变的增加.
- 这些发现与职业,娱乐和体育场所的安全指南有关,这些场所涉及贫血个体暴露在寒冷中.
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