总呼吸方法的DLCO和TLC值高于传统方法的DLCO和TLC值
Rudolf A Jörres1, Christian Buess2, Andreas Piecyk3
1Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Comprehensive Pneumology Center Munich (CPC-M), German Center for Lung Research (DZL), Ziemssenstraße 5, Munich, 80336, Germany. rudolf.joerres@med.uni-muenchen.de.
总呼吸 (TB) 方法为一氧化碳 (DLCO) 和肺总容量 (TLC) 值提供了比传统方法更高的扩散能力,特别是在COPD患者中. 结核病TLC还可以更准确地估计斑管学TLC.
科学领域:
- 肺功能测试试验 肺功能测试
- 呼吸系统医学 呼吸系统医学
- 心肺诊断 心肺诊断 医学
背景情况:
- 2017年ATS/ERS指南建议使用快速气体分析仪 (RGA) 或总呼吸 (TB) 方法来确定肺总容量 (TLC).
- 结核病与传统方法之间的DLCO和TLC测量结果的比较对于临床应用至关重要.
- 评估结核病衍生的TLC与体缩镜的准确性是必不可少的.
研究的目的:
- 为了比较使用结核病方法与传统方法获得的单呼吸扩散能力 (DLCO) 和总肺容量 (TLC) 值.
- 评估通过结核病和传统方法估计的TLC与通过身体囊造影测量的TLC相比如何.
- 通过使用结核病TLC和FEV1 Z-Score,确定估计多囊性TLC的准确性.
主要方法:
- 95名患有COPD (GOLD等级1-4) 的个人和23名健康人参与了这项研究.
- 肺功能使用EasyOne Pro (用于结核病) 和主屏幕机体 (用于囊镜) 进行评估.
- 使用TB和传统方法测量DLCO和TLC.
主要成果:
- 与传统方法相比,结核病方法的DLCO和TLC值显著更高 (p<0.001).
- 在健康人群中,结核病与传统DLCO的比率约为1.
- 通过这两种方法估计的TLC低于囊造影;结核病方法显示的差异较小.
结论:
- 结核病方法比传统方法提供了更高的DLCO和TLC测量,特别是在COPD患者中.
- 结核病衍生TLC可以比传统方法更准确地估计囊造影TLC.
- 结核病方法在临床实践中为TLC评估提供了一个可能更准确的方法.
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