Prevalence of allergic rhinitis with lower airways inflammation: A new endotype with high risk of asthma development?
allergic rhinitis
asthma
children
fractional exhaled nitric oxide
Journal
Journal of paediatrics and child health
ISSN: 1440-1754
Titre abrégé: J Paediatr Child Health
Pays: Australia
ID NLM: 9005421
Informations de publication
Date de publication:
Dec 2021
Dec 2021
Historique:
revised:
11
06
2021
received:
17
05
2021
accepted:
12
06
2021
pubmed:
30
6
2021
medline:
27
1
2022
entrez:
29
6
2021
Statut:
ppublish
Résumé
Asthma and allergic rhinitis share common pathophysiological mechanisms. However, while asthma phenotypes and endotypes are defined basing on both clinical and immunological features, rhinitis classification is still based on severity and frequency of symptoms. Recently, fractional exhaled nitric oxide (FeNO) has been suggested as a possible biomarker of rhinitis to asthma development. The aim of our study was to define the prevalence of a high FeNO allergic rhinitis endotype in a paediatric population of children with allergic rhinitis in order to quantify the impact of such patients in general practice. A total of 159 children (aged 7-16 years) with allergic rhinitis and no asthmatic symptoms were enrolled in our study. Severity assessment of rhinitis and asthma was evaluated in accordance with ARIA and GINA guidelines. All patients performed the following assessments: skin prick test (SPT), spirometry and FeNO measurement. FeNO was increased in 54 (33.9%) of 159 patients. No significant correlation with age, severity and frequency of rhinitis was evidenced. Positive SPT for house dust mites was related with a higher prevalence of high FeNO (P = 0.04), with no significant correlation with other sensitisations. All patients showed normal spirometric values. A possible new endotype of allergic rhinitis and lower airways inflammation showed to be significantly present in our population. The lack of correlation with allergic rhinitis severity assessment suggests that FeNO could be considered as an independent variable, possibly linked to a higher risk of asthma development in children with no lower airways symptoms and normal spirometry.
Substances chimiques
Nitric Oxide
31C4KY9ESH
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1955-1959Informations de copyright
© 2021 Paediatrics and Child Health Division (The Royal Australasian College of Physicians).
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