Bronchial Hyperresponsiveness in Pediatric Non‐Cystic Fibrosis Bronchiectasis
The prevalence and significance of bronchial hyperresponsiveness (BHR) in patients with non‐cystic fibrosis (CF) bronchiectasis remain unclear. The objective is to determine the prevalence of BHR, defined as a post‐bronchodilator forced expiratory volume in 1 s (FEV1) improvement > 10%, in children with non‐CF bronchie...