Fractional exhaled nitric oxide (Feno)
FENO: Simple non invasive direct measure of local airway inflammation in asthma which is a Predictor of:
- Loss of asthma control
- Risk of exacerbation
- Lung function decline
References
- Çolak Y, Afzal S, Marott JL, Vestbo J, Nordestgaard BG, Lange P. Type-2 inflammation and lung function decline in chronic airway disease in the general population. Thorax. 2024;0:1–10.
- What is FeNO in Asthma?. Allergy and asthma network. Available at: https://allergyasthmanetwork.org/what-is-asthma/how-is-asthma-diagnosed/nitric-oxide-testing/#:~:text=FeNO%20tests%20are%20performed%20at,and%20exhale%20slow%20and%20steady. Last accessed: 20.5.2024.
MAT-BH-2400426/V1/DEC 2024