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Épidémiologie des allergies respiratoires chez le nourrisson - 05/05/08

Doi : rmr-12-2007-24-10-0761-8425-101019-200720181 

M. Herr [1],

L. Nikasinovic [1],

B. Clarisse [1],

I. Momas [1],

J. Just [1 et 2]

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Abstract

Epidemiology of allergic respiratory disorders in infants

Introduction

Allergic disorders of the respiratory tract have been the subject of many epidemiological studies, especially during infancy which is known to be a critical period for development of the immune system. This paper aims to describe the prevalence of allergic respiratory disorders in children below three years of age in the general population, despite the lack of shared definition of asthma and allergic rhinitis among studies.

State of art

Doctor-diagnosed asthma occurs in 5% of children below two years of age. One third of children below three years of age experience wheeze during a lower respiratory tract infection, but only 7% of children wheeze apart from a respiratory infection. Asthma-like cough and bronchial obstruction symptoms are reported in respectively 15% and 9% of children below two years of age. Depending on the definition of allergic rhinitis used, its prevalence varies from 1 to 30% among two years old children.

Perspectives

Definitions of allergic respiratory tract disorders in infants become more elaborate involving parental and personal history of allergy and medication; epidemiological research now attempts to identify, using biological evidence of atopy, infants at risk of persistent allergic disorders.

Conclusions

A better definition of allergic respiratory disorders in infants may help epidemiological research and early care management.

Keywords: Asthma , Rhinitis , Hypersensitivity , Infant , Epidemiology


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© 2007 Elsevier Masson SAS. Tous droits réservés.
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Vol 24 - N° 10

P. 1314-1328 - décembre 2007 Retour au numéro
Article précédent Article précédent
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