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Incidence of exercise-induced bronchospasm in chronic non-allergic rhinitis in children
Allergologia Et Immunopathologia
|March 1, 1985
Insights
Children with allergic rhinitis are significantly more likely to experience exercise-induced bronchospasm (EIB) than those with non-allergic rhinitis. This suggests hypersensitivity mediators play a key role in EIB development.
Area of Science:
- Pediatric Allergy and Immunology
- Respiratory Medicine
Background:
- Chronic rhinitis affects many children, with varying underlying causes.
- Exercise-induced bronchospasm (EIB) is a common respiratory condition in children.
Purpose of the Study:
- To investigate the prevalence of exercise-induced bronchospasm in children with different types of chronic rhinitis.
- To explore the potential role of hypersensitivity mediators in the pathogenesis of EIB.
Main Methods:
- Comparative analysis of EIB incidence in two groups of children with rhinitis.
- Assessment of bronchospasm following exercise (running) in the study population.
Main Results:
- Only 5.0% of children with chronic non-allergic rhinitis experienced EIB.
- A significantly higher prevalence of EIB (47.2%) was observed in children with allergic chronic rhinitis.
- Bronchospasm occurred post-exercise in the allergic rhinitis group.
Conclusions:
- Allergic rhinitis is strongly associated with a higher risk of developing exercise-induced bronchospasm in children.
- The findings suggest that hypersensitivity mediators are released during EIB and are crucial to its development.
Abstract:
Out of 20 children diagnosed as suffering from chronic non-allergic rhinitis, only one (5.0%) suffered from exercise-induced bronchospasm, as compared with 47.2% of children with allergic chronic rhinitis, who showed bronchospasm after running. These findings support the view that mediators of hypersensitivity are released in E-IB and may play an important role in its pathogenesis.