History Exhaled nitric oxide (FeNO) a marker of airway irritation is frequently elevated in lung transplant recipients (LTxR) with acute rejection or infections. The median follow-up period following the baseline FeNO was 10 a few months (range 3 – 25). Outcomes ��FeNO-SS in 117 FeNO pairs was much like ��FeNO-SU in 26 pairs (2.1 ��… Continue reading History Exhaled nitric oxide (FeNO) a marker of airway irritation is