Treatment of Bronchiolitis in a One-Year-Old
Bronchiolitis in a one-year-old is treated primarily with supportive care only—bronchodilators, corticosteroids, antibiotics, and chest physiotherapy should NOT be used routinely. 1, 2
Core Management Principles
The treatment approach is fundamentally supportive, as bronchiolitis is a self-limited viral illness where most pharmacologic interventions have failed to demonstrate clinical benefit. 1
What TO Do: Supportive Care
Hydration and Nutrition:
- Assess the child's hydration status and ability to take fluids orally as a priority. 1, 2
- Provide intravenous or nasogastric hydration if the child cannot maintain adequate oral intake. 2
Oxygen Therapy:
- Administer supplemental oxygen only if SpO₂ falls persistently below 90%. 1, 2
- Maintain SpO₂ at or above 90% with adequate supplemental oxygen. 1, 2
- Discontinue oxygen when SpO₂ remains ≥90%, the infant feeds well, and has minimal respiratory distress. 1, 2
- Continuous SpO₂ monitoring is not routinely needed as clinical course improves. 1, 2
Airway Management:
- Nasal suctioning and positioning may decrease work of breathing and should be utilized. 1
What NOT To Do: Avoid Non-Evidence-Based Interventions
Bronchodilators:
- Do not use bronchodilators (albuterol, nebulized epinephrine) routinely. 1, 2
- A carefully monitored trial of α-adrenergic or β-adrenergic medication is an option, but should only be continued if there is documented positive clinical response using objective evaluation. 1
- Despite some support for epinephrine in the literature, routine use is not recommended. 3
Corticosteroids:
- Do not use corticosteroid medications routinely. 1, 2
- Multiple studies and meta-analyses have failed to show significant benefit. 4, 3
Antibiotics:
- Use antibacterial medications only when there are specific indications of coexisting bacterial infection. 1, 2
- When bacterial infection is present, treat it as you would in the absence of bronchiolitis. 1
Other Non-Recommended Therapies:
- Do not use chest physiotherapy routinely. 1, 2
- Ribavirin should not be used routinely. 1
- Hypertonic saline is not recommended for routine use. 5
Diagnostic Approach
Clinical Diagnosis:
- Diagnose bronchiolitis based on history and physical examination alone. 1, 2
- Do not routinely order chest radiographs, viral testing, or laboratory studies in typical presentations. 1, 2, 5
Key Clinical Features to Assess:
- Viral upper respiratory prodrome followed by increased respiratory effort and wheezing. 1
- Rhinorrhea, cough, tachypnea, wheezing, rales, retractions (intercostal/subcostal), nasal flaring, and grunting. 1
- Effects on mental status, feeding, and hydration. 1
- Respiratory rate (count over full minute for accuracy). 1
Risk Stratification
Assess for Risk Factors for Severe Disease:
- Age less than 12 weeks. 1, 2
- History of prematurity. 1, 2
- Underlying cardiopulmonary disease (bronchopulmonary dysplasia, congenital heart disease). 1, 2
- Immunodeficiency. 1, 2
Special Monitoring for High-Risk Infants:
- Infants with hemodynamically significant heart or lung disease and premature infants require close monitoring during oxygen weaning. 1, 2
Prevention Considerations
For Future RSV Seasons:
- Consider palivizumab prophylaxis for high-risk infants (prematurity <35 weeks' gestation or congenital heart disease). 1, 2
- Administer in 5 monthly doses at 15 mg/kg intramuscularly, typically starting November or December. 1, 2
General Prevention:
- Educate families on hand hygiene (alcohol-based rubs preferred) to prevent RSV spread. 1, 2
- Counsel against tobacco smoke exposure. 1, 2
- Encourage breastfeeding to decrease risk of lower respiratory tract disease. 1, 2
Common Pitfalls to Avoid
The most critical pitfall is the continued widespread use of bronchodilators and corticosteroids despite clear evidence against their routine use. 5, 4 Physicians continue to favor these therapies despite multiple studies showing no benefit, likely due to clinical inertia and patient/family pressure. 3, 6
De-implementation of non-evidence-based interventions should be a major goal, with educational interventions for both clinicians and parents to promote high-value care. 4
Standardized clinical pathways spanning emergency department to inpatient care can optimize resource utilization while improving outcomes and reducing hospital length of stay and costs. 5