CT Air Trapping Is Independently Associated with Lung Function Reduction over Time
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چکیده
منابع مشابه
CT Air Trapping Is Independently Associated with Lung Function Reduction over Time
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 inspiratory ratio of mean lung density (E/...
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BACKGROUND Small airways are regarded as the elective anatomic site of obstruction in most chronic airway diseases. Expiratory computed tomography (CT) is increasingly used to assess obstruction at this level but there is no consensus regarding the best quantification method. We aimed to evaluate software-assisted CT quantification of air trapping for assessing small airway obstruction and dete...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2013
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0061783