The Journal of asthma : official journal of the Association for the Care of Asthma
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Multicenter Study
Association of exhaled nitric oxide to asthma burden in asthmatics on inhaled corticosteroids.
Fractional exhaled nitric oxide (FENO) is a marker of airway inflammation. Its role in assessing asthma burden in clinical practice needs more study. ⋯ Independent and clinically meaningful associations between higher FENO levels and greater asthma burden during a prior year in persistent asthmatics on ICS suggest that FENO measurement may be a complementary tool to help clinicians assess asthma burden.