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在瑞典心肺生物图像研究中,脉冲振荡计指数与呼吸系统症状和螺旋计相关
Björn Qvarnström1, Gunnar Engström2, Sophia Frantz3
1Dept of Medical Sciences: Clinical Physiology, Uppsala University, Uppsala, Sweden.
ERJ open research
|September 27, 2023
概括
脉冲振荡计 (IOS) 检测肺功能障碍,显示异常的IOS与更多的呼吸道症状有关. 即使在正常的螺旋测量中,异常的IOS抗性和反应性相结合也会显著增加症状的可能性.
科学领域:
- 肺部医学 肺部医学
- 呼吸系统生理学 呼吸系统生理学
背景情况:
- 脉冲振荡计 (IOS) 是用于检测肺功能障碍的敏感工具.
- 之前的小型研究表明,IOS与呼吸道症状的相关性比螺旋计更好.
研究的目的:
- 在大量人群中调查脉冲振荡计 (IOS),螺旋计和呼吸系统症状之间的关系.
- 为了确定IOS是否能够识别通过螺旋计检测无法检测到的呼吸系统问题.
主要方法:
- 从瑞典心肺生物图像研究中,在50-64岁的健康从未吸烟者中定义了正常的IOS和螺旋计值.
- 建立异常IOS参数 (电阻R5,R20,反应率面积) 使用第95百分位和异常反应率在5Hz和螺旋计指数使用第5百分位.
主要成果:
- 异常的IOS参数存在于16%的个体中,与大多数呼吸道症状的几率增加有关.
- 在正常螺旋测量的人群中,异常的IOS抵抗与咳和呼吸障碍相关,而异常的反应与喘息相关.
- 结合异常的IOS抗性 (R5) 和反应性显著增加了咳,慢性支气管炎和呼吸障碍的可能性,即使在调整FEV1.
结论:
- 异常冲动振荡计 (IOS) 与正常螺旋计的中年个体的呼吸道症状负担较高有关.
- 异常IOS抗性和反应性参数的组合特别与增加的呼吸道症状有关.
- 需要进一步的研究来探索呼吸系统症状和IOS抵抗与反应能力之间的明显关系.
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