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Updated: May 21, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
Published on: November 4, 2010
Current therapy for bronchiolitis
1Department of Paediatric Respiratory Medicine/Paediatric Cystic Fibrosis Centre, Children's Hospital for Wales, Cardiff, UK.
Insights
Bronchiolitis, a common infant viral infection, often requires hospitalization. Recent strategies combining dexamethasone with epinephrine or hypertonic saline show promise in reducing hospital stays, though their clinical roles need further clarification.
Area of Science:
- Pediatrics
- Infectious Diseases
- Respiratory Medicine
Background:
- Bronchiolitis is a frequent, seasonal viral respiratory infection in infants, leading to significant hospital admissions.
- Current treatment primarily involves supportive care, as most pharmacological agents have historically shown no benefit.
- Recent research explores interventions to reduce hospitalization rates and duration for acute bronchiolitis.
Purpose of the Study:
- To evaluate the efficacy of novel therapeutic strategies in managing acute bronchiolitis.
- To assess the impact of combined oral dexamethasone and nebulized epinephrine on hospitalization risk.
- To determine the effect of nebulized 3% hypertonic saline with a bronchodilator on hospital length of stay.
Main Methods:
- Review of recent studies investigating pharmacological interventions for acute bronchiolitis.
- Analysis of data on the combination of oral dexamethasone and nebulized epinephrine.
- Evaluation of outcomes associated with nebulized 3% hypertonic saline and bronchodilator therapy.
Main Results:
- Nebulized epinephrine offers short-term benefits in acute bronchiolitis.
- The combination of oral dexamethasone and nebulized epinephrine may decrease the need for hospitalization.
- Nebulized 3% hypertonic saline with a bronchodilator appears to reduce hospital length of stay.
Conclusions:
- Two promising strategies, oral dexamethasone with nebulized epinephrine and nebulized hypertonic saline, may reduce hospitalization and length of stay in infants with bronchiolitis.
- Both interventions have demonstrated safety and good tolerability.
- The definitive role of these strategies in routine clinical practice for acute bronchiolitis remains to be clarified.
Abstract:
Bronchiolitis is a common, self-limiting, seasonal viral respiratory tract infection in infancy accounting for the majority of hospital admissions in this age group. Supportive care is the mainstay of treatment, concentrating on fluid replacement, gentle suctioning of nasal secretions, prone position (if in hospital), oxygen therapy and respiratory support if necessary. There is a long history of pharmacological agents offering no benefit in acute bronchiolitis. More recently, nebulised epinephrine has been demonstrated to offer short term benefits, while two stratagems have shown promise in decreasing risk of hospitalisation and length of hospital stay. The combination of oral dexamethasone with nebulised epinephrine potentially decreases the need for hospitalisation, while nebulised 3% hypertonic saline mixed with a bronchodilator decreases the length of hospitalisation. Although both stratagems appear safe and well tolerated, their role in clinical practice remains unclear.
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