Airway hyperresponsiveness to mannitol in relation to inspiratory and expiratory resistance in subjects with asthma, COPD, and healthy smokers
BackgroundAirway hyperresponsiveness (AHR), a key feature of asthma, leads to airway narrowing in response to bronchoconstrictor stimuli. Notably, AHR is also observed in individuals with chronic obstructive pulmonary disease (COPD). The Mannitol challenge test is an indirect method to assess airway hyperresponsiveness.ObjectiveThe primary aim of this study was to explore airway hyperresponsivenes
