在COVID-19之后,肺周边功能受损与持续的呼吸困难有关
Sanna Kjellberg1, Alexander Holm1,2, Nicolas Berguerand1
1Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
小呼吸道功能障碍 (SAD) 是COVID-19后持续呼吸问题的常见原因,即使标准肺功能测试正常. 多次呼吸洗在50%的参与者中发现了这种情况,将其与正在进行的呼吸道症状联系起来.
科学领域:
- 肺部医学 肺部医学
- 传染性疾病 传染性疾病
- 呼吸系统生理学 呼吸系统生理学
背景情况:
- 长期存在的呼吸道症状在COVID-19后经常被报告.
- 标准的肺功能测试,如螺旋计测试,在这些人中经常显示正常结果,导致根本原因不清楚.
- 小呼吸道功能障碍 (SAD) 是这些持续呼吸困难的潜在,但尚未得到充分研究的因素.
研究的目的:
- 调查COVID-19后经历持续呼吸困难的个体中小呼吸道功能障碍 (SAD) 的患病率和影响.
- 为了确定多次呼吸洗 (MBW) 和冲动振荡计 (IOS) 评估的SAD是否有助于COVID-19后的呼吸系统症状.
- 探索后COVID-19人口中SAD,身体功能和持续呼吸困难之间的关系.
主要方法:
- 评估了48名患有COVID-19病史和持续呼吸道症状的人群,以及22名非COVID-19对照人群.
- 用螺旋计,一氧化碳扩散能力 (DLCO),脉冲振荡计 (IOS) 和多次呼吸洗 (MBW) 来评估通风不均性来评估肺功能.
- 使用一分钟的坐立测试来测量身体功能,并自我报告呼吸困难.
主要成果:
- 螺旋测量,DLCO和IOS显示大多数COVID-19后患者的肺功能正常 (分别为90%,98%和88%).
- 多重呼吸洗 (MBW) 在50%的COVID-19后队列中发现了通风不均质,表明SAD.
- 持久的呼吸困难与MBW衍生的Sacin (SAD的标志物) 的增加显著相关,而身体功能与SAD无关. 在呼吸困难患者中,有35%的人同时患有SAD和身体功能下降.
结论:
- 小呼吸道功能障碍 (SAD) 在COVID-19后患有持续呼吸困难的个体中普遍存在,尽管有正常的螺旋计和DLCO.
- MBW是检测后COVID-19人口中SAD的敏感工具,这与正在进行的呼吸道症状有关.
- 抑郁症有助于复杂的COVID-19后呼吸系统后遗症,通常与减少的身体功能共存.
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