Effectiveness of bronchial thermoplasty in patients with severe refractory asthma: Clinical and histopathologic correlations

BackgroundThe effectiveness of bronchial thermoplasty (BT) has been reported in patients with severe asthma, yet its effect on different bronchial structures remains unknown.ObjectiveWe sought to examine the effect of BT on bronchial structures and to explore the association with clinical outcome in patients with severe refractory asthma.MethodsBronchial biopsy specimens (n = 300) were collected from 15 patients with severe uncontrolled asthma...