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Randomized controlled trial of nebulized adrenaline in acute bronchiolitis

Suriyanarayanapillai Hariprakash1, John Alexander, Will Carroll

  • 1Department of Paediatrics, North Staffordshire Hospital NHS Trust, Stoke-on-Trent, United Kingdom.

Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology
|April 5, 2003
PubMed

Insights

Nebulized epinephrine did not significantly reduce hospital admissions for infants with acute bronchiolitis. This emergency room treatment showed no significant advantage over nebulized saline in improving respiratory status.

Area of Science:

  • Pediatrics
  • Emergency Medicine
  • Pulmonology

Background:

  • Acute bronchiolitis is a common viral respiratory infection in infants.
  • Epinephrine (adrenaline) has been explored for its potential to improve respiratory symptoms.

Purpose of the Study:

  • To evaluate if nebulized epinephrine reduces hospital admissions in infants with acute bronchiolitis.
  • To assess the impact of nebulized epinephrine on clinical respiratory parameters.

Main Methods:

  • A randomized, double-blind, placebo-controlled study involving 75 infants (1 month to 1 year) with acute bronchiolitis.
  • Infants received either nebulized epinephrine or normal saline, with clinical assessments every 15 minutes for 2 hours.
  • Primary endpoint was hospital admission; secondary endpoints included respiratory rate, oxygen saturation, heart rate, and respiratory distress score.

Main Results:

  • Hospital admission rates were 50% for epinephrine and 38% for saline, a difference that was not statistically significant.
  • No significant differences were observed in respiratory rate, oxygen saturation, heart rate, or composite respiratory distress scores between groups at any time point.
  • Nebulized epinephrine did not demonstrate a significant clinical advantage over nebulized saline.

Conclusions:

  • Nebulized epinephrine is not superior to nebulized saline for emergency room management of acute bronchiolitis in infants.
  • Further research may be needed to identify effective treatments for reducing hospital admissions in these patients.

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