补水对肺功能的影响和运动诱导的支气管收缩在职业男性骑自行车运动员中的发展
Konstantinos M Pigakis1, Vasileios T Stavrou2, Ioannis Pantazopoulos3
1Department of Respiratory & Critical Care Medicine, Creta Interclinic, 71304 Heraklion, Greece.
Advances in respiratory medicine
|June 27, 2023
概括
系统性水化对精英骑自行车者的肺功能产生了积极的影响,改善了螺旋测量结果,并可能有利于小型呼吸道. 这项研究强调了水合的重要作用.
科学领域:
- 运动医学 运动医学
- 肺部生理学 肺部生理学
- 运动科学 运动科学
背景情况:
- 运动引起的支气管收缩 (EIB) 在精英运动员中很普遍,通常是由气道水分流失引发的.
- 经典理论涉及透和热应激,以及呼吸道上皮损伤.
- 系统性水分在缓解EIB中的作用及其对肺功能的影响需要进一步研究.
研究的目的:
- 研究系统性水分对专业骑自行车者的肺功能的影响.
- 为了确定水合能否逆转运动诱导的脱水相关的肺功能变化.
- 评估水分对螺旋计参数和小气道功能的影响.
主要方法:
- 一项随访研究涉及100名男性职业骑自行车运动员,没有喘或阿托皮病史.
- 在补水阶段之前和之后进行了肺功能测试,包括螺旋测量和心肺运动测试 (CPET).
- 测量包括1秒强迫呼气量 (FEV1) 和最大轻度呼气流量 (MEF25-75),运动员实施的水化方案显示运动后显著下降.
主要成果:
- 在CPET之后,在A阶段 (水化前) 所有螺旋计参数显著下降 (p < 0.001).
- 在B阶段 (补水后),与A阶段相比,观察到的螺旋计值的变化明显较低 (p < 0.001).
- 补水对肺功能有显著的积极影响,特别是在小气道.
结论:
- 专业骑自行车的人在强度运动时会对呼吸功能产生不利影响.
- 系统性水分显著改善骑自行车者的精神测量结果,这表明它在控制运动引起的呼吸变化方面发挥了有益的作用.
- 补水似乎对小气道功能产生积极影响,小气道功能可能会独立受影响或与FEV1下降一起受到影响.
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