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Severe adenovirus bronchiolitis in children
M N Pichler1, J Reichenbach, H Schmidt
1Department of Pediatrics, Rheinische Friedrich-Wilhelms-Universität, Bonn, Germany.
Insights
Adenovirus can cause severe bronchiolitis in infants, posing diagnostic challenges. Treatment outcomes varied, with one infant succumbing to respiratory failure while another improved.
Area of Science:
- Pediatric Pulmonology
- Infectious Diseases
- Virology
Background:
- Adenoviral infections, particularly necrotizing bronchiolitis, can lead to severe respiratory illness in infants.
- Diagnosing the specific role of adenovirus in pediatric lung disease can be complex.
Observation:
- Two previously healthy children presented with severe bronchiolitis attributed to adenovirus.
- Both patients received immunosuppressive therapy (steroids, Cyclosporin) and intravenous Ribavirin.
Findings:
- Despite aggressive treatment, one child experienced fatal respiratory failure.
- The second child showed significant clinical improvement following therapy.
Implications:
- Adenovirus is a confirmed cause of severe bronchiolitis in healthy children.
- The efficacy of antiviral therapy for adenoviral infections requires further investigation.
Unlabelled:
Severe adenoviral infections such as the necrotizing adenovirus bronchiolitis occur sporadically in infants. Ascertaining the etiologic role of adenovirus in cases of lung disease can pose a diagnostic problem. We present two cases of severe bronchiolitis in previously healthy children in which adenovirus could be shown to be the causing agent. Both children received immunosuppressive therapy with steroids and Cyclosporin for 3 mo and a course of intravenous Ribavirin for 10 d. The results were conflicting: despite therapy Patient 1 died due to respiratory failure, Patient 2 improved notably.
Conclusions:
Adenovirus can cause severe bronchiolitis in previously healthy children. Diagnosis may be difficult to achieve. The role of antiviral therapy in the treatment of adenoviral infections remains to be cleared.