High exhaled nitric oxide levels may predict bronchial reversibility in allergic children with asthma or rhinitis

Giorgio Ciprandi, Maria Angela Tosca, Michele Capasso

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Background. Allergic asthma and rhinitis may be associated. Airway inflammation is shared by both disorders. The measure of the fractional concentration of exhaled nitric oxide (FeNO) may be considered as a surrogate marker for airway inflammation, mainly in allergic patients. Reversibility to bronchodilation (BD) testing is a functional characteristic of asthma. Objective. The aim of this study was to evaluate whether FeNO may predict reversibility to BD in a pediatric cohort of allergic subjects with asthma (180) or rhinitis (150). Methods. Lung function (including forced expiratory volume at the first second (FEV1), forced volume capacity (FVC), forced expiratory flow at 25-75% of volume capacity (FEF 25-75)), FeNO measurement, and BD testing were performed in all children. Results. Lung function, FeNO, and sensitization type were significantly different in the two groups. A strong correlation was found between FeNO and ΔFEV1 after BD. Two main predictors of reversibility were FeNO values >34 ppb [Odds RatioAdj (ORAdj) = 1.9] and sensitization to perennial allergens (ORAdj = 1.7). Conclusions. This study provided evidence that FeNO was strongly related with the response to BD testing and could predict bronchial reversibility in children with allergic rhinitis or asthma. Therefore, a simple FeNO measurement could suggest releVant information about bronchial reversibility.

Original languageEnglish
Pages (from-to)33-38
Number of pages6
JournalJournal of Asthma
Volume50
Issue number1
DOIs
Publication statusPublished - Feb 2013

Fingerprint

Rhinitis
Nitric Oxide
Asthma
Forced Expiratory Volume
Inflammation
Lung
Allergens
Biomarkers
Pediatrics

Keywords

  • Allergic rhinitis
  • Asthma
  • Bronchodilation
  • Children
  • Nitric oxide
  • Reversibility

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Immunology and Allergy
  • Pediatrics, Perinatology, and Child Health

Cite this

High exhaled nitric oxide levels may predict bronchial reversibility in allergic children with asthma or rhinitis. / Ciprandi, Giorgio; Tosca, Maria Angela; Capasso, Michele.

In: Journal of Asthma, Vol. 50, No. 1, 02.2013, p. 33-38.

Research output: Contribution to journalArticle

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