Exhaled nitric oxide monitoring does not improve on guidelines-based asthma management

Exhaled nitric oxide serves as a biomarker of inflammation in the lungs, and proponents have suggested that monitoring nitric oxide levels could help improve management of asthma. However, new research, which will be published in the Sept. 20 issue of The Lancet, indicates that adolescent and young adult patients whose asthma is managed according to the latest NIH guidelines do not benefit from the addition of nitric-oxide monitoring.

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