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Sleep apnoea in acute bronchiolitis

F A Abreu e Silva, V Brezinova, H Simpson

    Archives of Disease in Childhood
    |June 1, 1982
    PubMed
    Summary

    Acute bronchiolitis in infants significantly alters sleep respiration patterns, particularly during quiet sleep. Apnea index and attack rates increase, while oxygen levels decrease, highlighting respiratory changes during illness.

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    Area of Science:

    • Pediatric Pulmonology
    • Sleep Medicine
    • Neonatal Research

    Background:

    • Acute bronchiolitis is a common respiratory infection in infants.
    • Sleep disturbances are frequently observed during acute respiratory illnesses in infants.

    Purpose of the Study:

    • To investigate the impact of acute bronchiolitis on infant sleep polygraphy.
    • To analyze changes in respiratory patterns, including sleep states and apnoeic events, during and after bronchiolitis recovery.

    Main Methods:

    • Polygraphic sleep studies were conducted on 16 infants (1-6 months old) during acute bronchiolitis and after recovery.
    • Key parameters monitored included total sleep time, active/quiet sleep percentages, respiration rate, apnoeic pauses, heart rate, and transcutaneous oxygen tension.

    Main Results:

    • During bronchiolitis, active sleep decreased slightly (35% vs. 31% post-recovery).
    • Respiration rate increased, and apnoeic episodes showed increased index and attack rates specifically in quiet sleep.
    • Transcutaneous oxygen tension was significantly reduced during infection, with no difference between sleep states.

    Conclusions:

    • Acute bronchiolitis primarily affects respiratory patterns during quiet sleep in infants.
    • Increased apnoeic activity and reduced oxygenation during quiet sleep are significant findings.
    • These respiratory changes during sleep warrant attention in managing infants with bronchiolitis.

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