A multivariable model found total airway count to be an independent predictor of FEV1.

Thickened airway walls, which correlate with airway obstruction and/or occlusion, are greatly increased in patients with severe asthma, according to study results published in the American Journal of Respiratory and Critical Care Medicine.

Researchers conducted a study (ClinicalTrials.gov Identifier: NCT02351141) to determine whether computed tomography (CT) total airway count (TAC) could be a reliable indicator of airway structure and function in asthma.


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