Bronchoarterial ratio in never-smokers adults: Implications for bronchial dilation definition.

ABSTRACT:

Background and objective

Bronchiectasis manifests as recurrent respiratory infections and reduced lung function. Airway dilation, which is measured as the ratio of the diameters of the bronchial lumen (B) and adjacent pulmonary artery (A), is a defining radiological feature of bronchiectasis. A challenge to equating the bronchoarterial (BA) ratio to disease severity is that the diameters of airway and vessel in health are not established. We sought to explore the variability of BA ratio in never-smokers without pulmonary disease and its associations with lung function.

Methods

Objective measurements of the BA ratio on volumetric computed tomography (CT) scans and pulmonary function data were collected in 106 never-smokers. The BA ratio was measured in the right upper lobe ap

SUBMITTER: Diaz AA 

PROVIDER: S-EPMC5161710 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature