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Asthma

Exhaled nitric oxide not useful as diagnostic marker during acute attacks

Published in Immunotherapy Weekly, August 31st, 2005

Exhaled nitric oxide is not useful as a diagnostic marker during acute asthma exacerbations.

"Fractional exhaled nitric oxide (FENO) has been shown in laboratory settings and trials of patients with stable asthma to correlate with the degree of airway inflammation," physicians in California explained.

M. Gill and colleagues at the Loma Linda University Medical Center "hypothesized that the technique of measuring FENO would be reproducible in the setting of acute asthma in the emergency department (ED) and that the FENO results during ED visits would potentially predict disposition, predict relapse following discharge, and correlate with the National...

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