文章基本信息

标题：Simple method for detecting idiopathic interstitial pneumonias by measuring vertical lung length on chest X-ray
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作者：Masato Karayama ; Yoichiro Aoshima ; Hideki Yasui 等
期刊名称：Scientific Reports
电子版ISSN：2045-2322
出版年度：2021
卷号：11
DOI：10.1038/s41598-021-87452-z
语种：English
出版社：Springer Nature
摘要：Detection of idiopathic interstitial pneumonias (IIPs) on chest X-ray is difficult for non-specialist physicians, especially in patients with mild IIPs. The current study aimed to evaluate the usefulness of a simple method for detecting IIPs by measuring vertical lung length (VLL) in chest X-rays to quantify decreased lung volume. A total of 280 consecutive patients with IIPs were randomly allocated to exploratory and validation cohorts, and 140 controls were selected for each cohort by propensity score-matching. Upper ( uVLL; from apex to tracheal carina), lower ( lVLL; from carina to costophrenic angle), and total VLL ( tVLL; from apex to costophrenic angle), and the l/ uVLL ratio were measured on chest X-rays. Patients in the exploratory cohort had significantly decreased uVLL, lVLL, tVLL, and l/ uVLL ratio compared with controls (all p < 0.001). Receiver operating characteristic curve analyses demonstrated that lVLL (area under the curve [AUC