限制正常螺旋测量:一个回顾性队列研究.
Alexander T Moffett1,2,3, Aparna Balasubramanian4, Meredith C McCormack4
1Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
medRxiv : the preprint server for health sciences
|December 25, 2025
概括
限制与正常的螺旋计,肺功能测试看起来正常,但显示底层限制的情况是常见的. 这种情况与间歇性肺病和降低生存率有关,表明呼吸系统有显著的损害.
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
- 诊断成像 诊断成像 诊断成像
背景情况:
- 正常的螺旋测量通常被认为表明没有肺部限制.
- 新出现的证据表明,即使有正常的螺旋计结果,肺部限制也可能很普遍.
- 肺部限制在正常螺旋测量患者中的临床影响尚不清楚.
研究的目的:
- 为了研究与肺部限制相关的临床特征,在表现为正常螺旋计的患者中.
- 为了确定肺部限制与正常螺旋计对患者生存结果的影响.
主要方法:
- 分析肺功能测试 (PFTs),包括静态和动态肺体积,从2012-2025.
- 多变量逻辑回归用于识别与正常螺旋计限制相关的因素.
- 考克斯的比例危险建模,以评估限制和全因死亡率之间的关联,调整关键的螺旋计参数.
主要成果:
- 在精神测量正常的患者中发现了显著的限制患病率 (25.7%).
- 在老年,非白人患者和患有间歇性肺病 (ILD) 的患者中,限制更为常见.
- 与没有限制的正常螺旋计相比,限制与所有原因死亡率 (aHR 1.45) 的增加有关.
结论:
- 肺部限制在正常螺旋测量患者中与间歇性肺部疾病 (ILD) 有关.
- 这种情况与生存率下降有关.
- 临床上显著的呼吸系统功能障碍可能存在,即使精神测量结果看起来正常.
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