CT Air Trapping Is Independently Associated with Lung Function Reduction over Time

Abstract

PURPOSE We aimed to study the association between lung function decline and quantitative computed tomography (CT) air trapping. MATERIALS AND METHODS Current and former heavy smokers in a lung cancer screening trial underwent volumetric low-dose CT in inspiration and expiration. Spirometry was obtained at baseline and after 3 years. The expiratory to… (More)
DOI: 10.1371/journal.pone.0061783

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