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[Comparative study of nebulized sambutol against placebo in the acute phase of bronchiolitis in 33 infants aged 1 to 6 months].

AbstractBACKGROUND:
The therapeutic role of bronchodilators in bronchiolitis remains controversial. The aim of this study is to evaluate the safety and the clinical response to nebulized salbutamol in infants with mild acute bronchiolitis.
PATIENTS AND METHODS:
Thirty-three infants, aged 1 month to 5 months and 22 days (mean: 92.4 days) were included in the study. Patients received either nebulized salbutamol (0.15 mg/kg per dose: 16 infants) or a placebo (normal saline aerosol: 17 infants), delivered by an oxygen propellent, three times at intervals of 1 hour, as part of a double-blind randomized trial. Effect of treatment was evaluated by measuring respiratory and heart rate, clinical scores based on the degree of retraction and wheezing, and oxygen saturation. Clinical assessment was repeated 30 minutes after each nebulization. A nasopharyngeal swab was obtained for detection of respiratory syncytial virus (VRS) antigens by immunofluorescence assay in all patients.
RESULTS:
Patients in the salbutamol group exhibited significantly greater improvement in respiratory rate (P = 0.01), accessory muscle score (P < 0.001) and wheezing score (P < 0.001). There was no significant difference in oxygen saturation between both groups. Infants treated with salbutamol exhibited a non-significant increase in heart rate after the three sprays; no other adverse effects were noted. VRS was identified in 78% of the children tested.
CONCLUSIONS:
Salbutamol is safe and effective in relieving the respiratory distress of young infants with acute bronchiolitis. Our study confirms previous observations that infants younger than six months of age respond as well as older children when given three doses of nebulized salbutamol. Responders could not be differentiated from non responders by personal or family histories of atopy and VRS isolation. A longitudinal study could establish a correlation between response to bronchodilator therapy and later development of asthma.
AuthorsB Chevallier, P Aegerter, S Parat, E Bidat, C Renaud, B Lagardère
JournalArchives de pédiatrie : organe officiel de la Sociéte française de pédiatrie (Arch Pediatr) Vol. 2 Issue 1 Pg. 11-7 (Jan 1995) ISSN: 0929-693X [Print] FRANCE
Vernacular TitleEtude comparative des nébulisations de salbutamol contre placebo à la phase aiguë d'une bronchiolite chez 33 nourrissons de 1 à 6 mois.
PMID7735418 (Publication Type: Clinical Trial, Comparative Study, English Abstract, Journal Article, Randomized Controlled Trial)
Chemical References
  • Placebos
  • Albuterol
Topics
  • Acute Disease
  • Albuterol (administration & dosage, therapeutic use)
  • Bronchiolitis, Viral (drug therapy)
  • Double-Blind Method
  • Drug Evaluation
  • Drug Tolerance
  • Female
  • Humans
  • Infant
  • Male
  • Nebulizers and Vaporizers
  • Placebos
  • Respiratory Syncytial Virus, Human

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