作为对身体活跃的成年人的支气管收缩反应的呼吸模式变化
John W Dickinson1, Carol M E Smyth1, Samantha L Winter2
1School of Sport and Exercise Sciences, University of Kent, Canterbury, Kent, UK.
概括
光电子胸膜扫描 (OEP) 可以识别与运动诱导的支气管收缩 (EIB) 相关的不同的呼吸模式. 这项技术将EIB呼吸与健康个体以及支气管收缩和恢复阶段区分开来.
科学领域:
- 呼吸系统生理学 呼吸系统生理学
- 生物力学 生物力学
- 医疗技术 医疗技术 医学技术
背景情况:
- 运动诱导的支气管收缩 (EIB) 在体力活动期间显著影响呼吸机制.
- 精确评估呼吸模式对于理解和管理EIB至关重要.
- 光电子胸膜扫描 (OEP) 提供了一种非侵入性方法来量化胸壁运动.
研究的目的:
- 评估光电子胸膜学 (OEP) 在区分运动诱导支气管收缩 (EIB) 特定的呼吸模式方面的能力.
- 为了比较带有和没有EIB的个体之间的呼吸模式.
- 为了区分支气管收缩期间的呼吸模式与EIB患者的康复.
主要方法:
- 参与者包括健康的个人 (n=47) 和那些通过Eucapnic自愿性高呼吸测试识别的EIB (n=10).
- 使用89个标记器和11个摄像头的100赫兹运动捕捉系统收集了OEP数据.
- 分析了呼吸模式,以发现区域贡献,时间和分区间的相位差异.
主要成果:
- 胸和肩膀运动之间的阶段差异 (RCpRCa-阶段,RCaS-阶段,RCpS-阶段) 在支气管收缩期间与EIB患者的休息相比发生了显著的变化 (p <0.05).
- 在支气管收缩后观察到更大的异步和延迟的腹部肋骨运动.
- 在EIB组中,RCpS-Phase在所有条件 (休息,支气管收缩后,吸入器后) 中显示出显著的差异 (p < 0.05).
结论:
- 光电子充气镜 (OEP) 有效地描述了与 EIB 相关的呼吸模式.
- OEP可以区分与EIB相关的呼吸异常与休息时健康个体的呼吸异常.
- 在EIB活动期间,OEP为评估呼吸系统变化提供了有价值的工具.
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