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Use of continuous positive airway pressure during flexible bronchoscopy in young children

D Trachsel1, T O Erb, F J Frei

  • 1Division of Paediatric Intensive Care and Pulmonology, University Children's Hospital of Basel, Post Office Box, 4005 Basel, Switzerland.

The European Respiratory Journal
|November 3, 2005
PubMed

Insights

Continuous positive airway pressure (CPAP) significantly improves ventilation in young children undergoing flexible bronchoscopy. This intervention helps reverse decreases in tidal volume and respiratory flow, enhancing patient safety during the procedure.

Area of Science:

  • Pediatric Pulmonology
  • Anesthesiology
  • Respiratory Physiology

Background:

  • Young children face higher risks of hypoxemia and hypercapnia during flexible bronchoscopy due to airway anatomy.
  • Preventive strategies are crucial to maintain adequate ventilation and oxygenation in this population.

Purpose of the Study:

  • To evaluate the effect of continuous positive airway pressure (CPAP) on ventilation during flexible bronchoscopy in infants and young children.

Main Methods:

  • Ultrasound spirometry measured tidal breathing in 16 spontaneously breathing, sedated children (3-25 months).
  • Measurements were taken with the bronchoscope in the pharynx (no CPAP) and mid-trachea (0, 5, 10 cmH2O CPAP).

Main Results:

  • Bronchoscope passage through vocal cords caused significant reductions in tidal volume and peak expiratory/inspiratory flows.
  • CPAP at 5-10 cmH2O largely reversed these observed decreases in ventilation parameters.

Conclusions:

  • Flexible bronchoscopy in spontaneously breathing children leads to reduced tidal volume and respiratory flow.
  • CPAP is an effective method to counteract these ventilation changes, improving outcomes during the procedure.

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