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Rhinovirus Infection in Children with Acute Bronchiolitis and Its Impact on Recurrent Wheezing and Asthma Development
Carlotta Biagi1, Alessandro Rocca1, Giulia Poletti1
1Department of Medical and Surgical Sciences, Pediatric Emergency Unit, St Orsola Polyclinic, University of Bologna, 40138 Bologna, Italy.
Insights
Rhinovirus (RV) is a common cause of infant bronchiolitis, potentially leading to asthma. This review examines RV
Area of Science:
- Pediatric infectious diseases
- Respiratory viral infections
- Immunology
Background:
- Acute bronchiolitis is a primary cause of infant hospitalization.
- Rhinovirus (RV) is a frequent pathogen in bronchiolitis, with over 150 types.
- The impact of RV infection and co-infections on bronchiolitis severity is debated.
Purpose of the Study:
- To review current findings on RV's role in pediatric acute bronchiolitis.
- To assess RV's impact on the development of childhood asthma.
- To discuss clinical practice implications of RV bronchiolitis.
Main Methods:
- Literature review of recent studies on RV and bronchiolitis.
- Analysis of research on viral co-infections and clinical outcomes.
- Examination of studies linking RV bronchiolitis to long-term respiratory sequelae.
Main Results:
- Rhinovirus (RV) is a significant pathogen in infant bronchiolitis.
- Contradictory findings exist regarding RV's impact on clinical severity and complications.
- Evidence suggests RV bronchiolitis may predispose children to asthma and recurrent wheezing.
Conclusions:
- Rhinovirus plays a key role in acute bronchiolitis and may influence long-term respiratory health.
- Further research is needed to clarify the relationship between RV infection and asthma development.
- Clinical management strategies should consider the potential long-term effects of RV bronchiolitis.
Abstract:
Acute bronchiolitis represents the leading cause of hospitalization in infants. Together with a respiratory syncytial virus, rhinovirus (RV) is one of the most common pathogens associated with bronchiolitis, and its genetic diversity (>150 types) makes the recurrence of RV infections each year quite typical. The frequency of RV infection and co-infection with other viruses and its impact on the clinical course of bronchiolitis have been studied by several authors with controversial results. Some studies demonstrate that multiple virus infections result in more severe clinical presentation and a higher risk of complications, whereas other studies suggest no influence on clinical course. Moreover, RV bronchiolitis has been reported to potentially contribute to the development of long-term sequelae, such as recurrent wheezing and asthma, in the pediatric population. In the present review, we summarize the most recent findings of the role of RV infection in children with acute bronchiolitis, its impact on subsequent asthma development, and the implication in clinical practice.
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