在结合性肺纤维化和肺气的死亡率替代品
An Zhao1,2, Eyjolfur Gudmundsson1,2, Nesrin Mogulkoc3
1Satsuma Lab, Centre for Medical Image Computing, UCL, London, UK.
The European respiratory journal
|November 16, 2023
概括
对于结合性肺纤维化和肺气 (CPFE),肺部对一氧化碳的扩散能力 (DLCO) 的下降是比强迫生命能力 (FVC) 的下降更强大的死亡率预测因素. 非CPFE异常性肺纤维化 (IPF) 患者具有显著的FVC下降面临更高的死亡风险.
科学领域:
- 肺部病理学 肺部病理学
- 放射学 放射学是一门学科.
- 医学统计 医学统计
背景情况:
- 异形性肺纤维化 (IPF) 可以与肺气并存,形成结合性肺纤维化和肺气 (CPFE).
- CPFE可能会影响疾病进展标志物,如强迫生命能力 (FVC) 衰退.
- 了解CPFE中的死亡率关联对于患者管理至关重要.
研究的目的:
- 调查IPF患者的死亡率与疾病进展的功能性指标之间的关联.
- 为了比较CPFE中的疾病进展标志物与非CPFE的IPF患者.
- 确定不同IPF亚组中死亡率的最佳预测因素.
主要方法:
- 分析了两个IPF队列,通过CT得分的肺瘤存在来识别CPFE患者.
- 根据肺瘤值 (10%,15%) 和无监督机器学习模型分组患者.
- 线性混合效应和多变量考克斯回归模型评估了FVC和DLCO与死亡率下降的关联.
主要成果:
- 患有≥10%肺气的CPFE患者有更高的吸烟史和较低的基线DLCO.
- 在CPFE患者 (≥10%肺气) 中,1年DLCO下降是一个比1年FVC下降更强的死亡率预测因素.
- 非CPFE的IPF患者≥5%或≥10%的1年FVC下降显示出强烈的死亡率关联.
结论:
- 在IPF患者中,DLCO下降是一个关键的死亡预测因子,患有≥10%的肺气.
- 一年相对FVC下降值≥5%对于非CPFEIPF的死亡率预测具有意义.
- 在IPF中评估疾病进展需要考虑肺气的存在和特定的功能衰退指标.
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