在患有阻塞性睡眠呼吸暂停的患者中,表征肥胖和与睡眠相关的低通风的内型特征
Liang-Wen Hang1,2, Shinn-Jye Liang2, Eysteinn Finnsson3
1College of Medicine and.
Annals of the American Thoracic Society
|December 3, 2024
概括
患有阻塞性睡眠呼吸暂停 (OSA) 和与睡眠相关的低通风障碍 (SHD) 的肥胖患者表现出不同的病理内型. 增加循环增益和气道补偿上限效应在这些患者中是SHD的特征.
科学领域:
- 呼吸系统医学 呼吸系统医学
- 睡眠医学 睡眠医学
- 肥胖问题研究研究
背景情况:
- 与睡眠相关的低通风障碍 (SHD) 在患有阻塞性睡眠呼吸暂停 (OSA) 的肥胖患者中很普遍.
- 关联肥胖和SHD的特定病理内型仍然不完全理解.
研究的目的:
- 检查OSA患者内型特征与体重指数 (BMI) 之间的关联.
- 为了确定具有并发性SHD的OSA患者的内型特征.
主要方法:
- 在1364名OSA患者中进行前性多睡眠学和在420名肥胖患者中进行一夜间的皮肤间CO2监测.
- 从多睡眠学信号中估计内型特征;SHD定义为通过皮肤输入的CO2>55mm Hg>=10分钟.
- 分析非线性BMI-内型关系,并比较非肥胖OSA,肥胖OSA和肥胖OSA与SHD组的内型特征.
主要成果:
- 较高的BMI与增加的兴奋值,可折叠性,循环增益和补偿相关,表现出天花板效应.
- 在肥胖的OSA患者中,SHD的患病率在18-36%之间.
- 与没有SHD患者相比,患有SHD的肥胖OSA患者的循环效益显著增加 (0.06增加),独立于BMI.
结论:
- 肥胖的OSA患者的病理内型是由上呼吸道补偿的天花板效应,增加的折叠性和升高的循环增益来定义的.
- 患有并发性SHD的患者表现出更敏感的呼吸模式,以增加循环增长为证据.
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