慢性肺炎患者的呼吸反应的纵向变化:与纵向变化的空气捕获,恶化和死亡率的关联
Yi Zhang1, Naoya Tanabe1, Susumu Sato2
1Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan.
Respiratory physiology & neurobiology
|January 18, 2024
概括
慢性阻塞性肺病 (COPD) 患者的5 Hz (X5) 呼吸反应率的纵向变化与空气捕获的恶化和恶化的恶化相关. 较大的X5下降预测COPD患者的长期死亡风险更高.
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
- 临床结果研究研究
背景情况:
- 空气陷显著影响慢性阻塞性肺病 (COPD) 的临床结果.
- 通过呼吸振荡计测量5 Hz (X5) 的反应率是胸壁,呼吸道和肺部弹性的敏感指标,可能反映空气捕获.
- 慢性慢性肺炎中X5变化和气进展之间的纵向关系尚未得到广泛研究.
研究的目的:
- 调查X5纵向变化与COPD患者气进展之间的关联.
- 为了确定X5的变化是否与COPD恶化的频率相关.
- 评估X5纵向变化与COPD长期死亡率之间的关系.
主要方法:
- 一项前性观察性研究招募了114名COPD患者.
- 在X5和残留体积 (RV) 的纵向变化被跟踪了4年,记录了恶化.
- 根据X5下降 (大,中,小) 患者被分为三层,以分析10年内死亡率.
主要成果:
- 与X5下降较小的患者相比,X5下降较大的患者呈现出更大的RV纵向增加和更高的恶化频率,即使在多变量调整后.
- 与小X5衰退组相比,大X5衰退组的长期死亡率显著更高 (HR [95%CI] = 8.37 [1.01,69.0).
结论:
- 呼吸反应率 (X5) 的纵向变化与慢性慢性肺炎中逐渐的空气捕获有关.
- 降低X5趋势与COPD患者恶化的频率增加相关.
- 在X5显著下降预测COPD患者的死亡风险增加.
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