The Use of Exercise Challenge Testing and Fractional Exhaled Nitric Oxide in Diagnosis of Chest Tightness Variant Asthma in Children

Conclusion: CTVA is a cause of unexplained recurrent chest tightness in children. FeNO ≥15.0 ppb and post-ECT FEV1 fall ≥9.9% are diagnostically valuable for CTVA in children, with their combination potentially contributing to greater diagnostic accuracy.Int Arch Allergy Immunol
Source: International Archives of Allergy and Immunology - Category: Allergy & Immunology Source Type: research