The Relationship of Fractional Exhaled Nitric Oxide in Patients with AECOPD.
Xiaoguang XuLefei ZhouZhao-Hui TongPublished in: International journal of chronic obstructive pulmonary disease (2023)
FeNO is closely related to activated T2 inflammation and eosinophil count in COPD patients. The FeNO levels can be used as an index to evaluate the severity of COPD and predict the recovery of activity after ICS treatment. FeNO can predict the use of ICS and is a beneficial supplement to eosinophils.