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Respiratory failure requiring ventilation in acute bronchiolitis.

P W Chan1, A Y Goh, L C Lum

  • 1Department of Paediatrics, University Malaya Medical Centre, Kuala Lumpur.

The Medical Journal of Malaysia
|November 10, 2000
PubMed
Summary

Mechanical ventilation is effective for infants with severe bronchiolitis, improving oxygenation and generally being well-tolerated. This intervention is uncommon but crucial for managing severe cases in the Paediatric Intensive Care Unit (PICU).

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Area of Science:

  • Pediatric Critical Care Medicine
  • Respiratory Medicine
  • Neonatology

Background:

  • Severe bronchiolitis can necessitate mechanical ventilation, posing risks like barotrauma.
  • Mechanical ventilation is an uncommon but critical intervention for infants with severe respiratory distress.

Purpose of the Study:

  • To report the experience and outcomes of infants with severe bronchiolitis requiring mechanical ventilation in a Paediatric Intensive Care Unit (PICU).
  • To evaluate the efficacy and safety of mechanical ventilation in managing severe bronchiolitis.

Main Methods:

  • Retrospective review of 60 infants admitted to the PICU with severe bronchiolitis.
  • Analysis of data for the 25 (42%) infants who required mechanical ventilation.
  • Assessment of oxygenation parameters (PaO2/FiO2), mean airway pressure, ventilation duration, and clinical outcomes.

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Main Results:

  • Mechanical ventilation was required in 42% of severe bronchiolitis cases admitted to the PICU.
  • 18 patients (72%) experienced severe hypoxemia (PaO2/FiO2 < 250).
  • Oxygenation improved significantly within 12 hours of intubation, with a median ventilation duration of 4.0 days and only one death.

Conclusions:

  • Mechanical ventilation is an effective and generally well-tolerated treatment for a subset of infants with severe bronchiolitis.
  • Early initiation of mechanical ventilation can lead to significant improvements in oxygenation.
  • This intervention is associated with a low mortality rate in the context of severe pediatric respiratory illness.