• Rev Mal Respir · Jun 2012

    Review

    [Respiratory allergens and asthma exacerbation].

    • C Barnig and A Casset.
    • Unité d'asthme et d'allergologie, pôle de pathologie thoracique, hôpitaux universitaires de Strasbourg, BP 426, 67091 Strasbourg cedex, France. Cindy.Barnig@chru-strasbourg.fr
    • Rev Mal Respir. 2012 Jun 1; 29 (6): 810-9.

    IntroductionAsthma exacerbations are characterized by a progressive aggravation of respiratory symptoms such as dyspnea, cough, wheezing or chest tightness.BackgroundThe relationship between allergy and asthma exacerbations has been evaluated by epidemiological studies based on various criteria such as oral corticosteroid requirement, emergency room visits and hospital admission for asthma. Many studies have observed that deteriorating asthma can be related to increased exposure to allergens, particularly allergens from house dust mite, cockroach, cat, rodent, mold or pollen. Several studies have demonstrated that sensitization to respiratory allergens and allergen exposure increases the risk of exacerbation of asthma. When asthma exacerbations are work-related, occupational allergens may be implicated.Conclusions And PerspectivesMost studies provide evidence that allergen exposure contributes to the risk of asthma exacerbations, but other precipitating factors, such as viruses, can interact and increase the risk.Copyright © 2012 SPLF. Published by Elsevier Masson SAS. All rights reserved.

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