Exhaled nitric oxide measurements in childhood asthma: Techniques and interpretation

In this review, we outline the role of nitric oxide in airway Inflammation in children with asthma. We also discuss the various methods reported for m easuring exhaled nitric oxide and provide some insight as to the pros and c ons and pitfalls of these techniques. Guidelines for measurements of exhale d nitric oxide based on our experience are provided. as well as suggestions for the use of this technique as a new "airway inflammation test." (C) 199 9 Wiley-Liss, Inc.