EXHALED MARKERS Exhaled nitric oxide predicts asthma relapse in children with clinical asthma remission

Abstract

Background: Nitric oxide in exhaled air (FENO) is a marker of eosinophilic airway inflammation. A study was undertaken to determine whether FENO predicts asthma relapse in asymptomatic asthmatic children in whom inhaled corticosteroids are discontinued. Methods: Forty children (21 boys) of mean age 12.2 years on a median dose of 400 mg budesonide or… (More)

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