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The viral factor in childhood asthma
1University of Navarra, Faculty of Medicine, Department of Allergology, Pamplona, Spain.
Allergie Et Immunologie
|January 1, 1987
Summary
Bacterial infections, not viruses, are the primary cause of childhood asthma exacerbations. Antibiotic treatment resolved asthma symptoms in children with bacterial infections, highlighting the bacterial factor in 90% of cases.
Area of Science:
- Pediatrics
- Infectious Diseases
- Respiratory Medicine
Background:
- Viral infections are often considered the main trigger for childhood asthma and bronchospasm.
- The role of viruses in asthma exacerbations has been historically overemphasized by some researchers.
- Bacterial infections also play a significant role in the etiology of childhood asthma.
Purpose of the Study:
- To investigate the actual role of viral and bacterial infections in childhood asthma.
- To determine the prevalence of specific viral antibodies during asthma exacerbations.
- To assess the impact of bacterial infections on asthma remission.
Main Methods:
- Serum antibody analysis for viral antigens in asthmatic children during and after exacerbations.
- Evaluation of bacterial infections, specifically sinopulmonary syndromes, in a large cohort of children.
- Correlation of infection type with asthma symptom resolution and treatment response.
Main Results:
- Only 13.5% of asthmatic children showed specific antibodies to viral antigens during exacerbations.
- Children with identified bacterial infections experienced asthma remission following antibiotic therapy.
- Etiopathological studies confirmed bacterial involvement in 90% of childhood asthma cases, often as sinopulmonary syndrome.
Conclusions:
- Bacterial infections are a more significant factor in childhood asthma than commonly recognized.
- Viral triggers for asthma may be less prevalent than previously assumed.
- Further research is needed to fully elucidate the bacterial role in childhood asthma management.