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Difference between slow vital capacity and forced vital capacity in the diagnosis of airflow limitation

机译:气流限制诊断中慢动作能力和强制生命能力之间的差异

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摘要

In an article published in the JBP, Fernandez et al. evaluated 187 patients referred for pulmonary function testing and concluded that a difference between slow VC (SVC) and FVC (∆SVC−FVC) > 0.20 L is useful for defining airflow limitation (AFL) in patients with normal test results and for reducing the number of cases designated as nonspecific (i.e., cases in which there is a proportional reduction in FVC and FEV ). In 82 of those patients, AFL had already been characterized by forced spirometry.
机译:在JBP,Fernandez等人发表的文章中。评估的187名患者提到肺功能测试并得出结论,缓慢VC(SVC)和FVC(ΔSVC-FVC)> 0.20L之间的差异可用于定义正常测试结果和减少数量的患者中的气流限制(AFL)被指定为非特异性的病例(即,在FVC和FEV中有比例减少的病例)。在这些患者的82名中,AFL已经表征了强烈的肺活量。

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