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[Physiology and pathophysiology of the respiratory system of children]

Irene Tzanova1, Kornelia Luckhaupt-Koch

  • 1Klinik für Anästhesiologie des Universitätsklinikums der Johannes-Gutenberg-Universität, Mainz. irene_tzanova@hotmail.com

Anasthesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS
|October 26, 2006
PubMed

Insights

Positive pressure ventilation in children can cause lung complications like atelectasis and barotrauma. Protective ventilation strategies aim to prevent these issues, optimizing outcomes for pediatric patients.

Area of Science:

  • Pediatric critical care medicine
  • Respiratory physiology
  • Anesthesiology

Context:

  • Positive pressure ventilation (PPV) in children shares risks with adults, including atelectasis and barotrauma.
  • Anesthesia-induced atelectasis affects up to 90% of pediatric patients, necessitating higher inspiratory pressures.
  • Immature airways in preterm infants and young children are vulnerable to prolonged ventilation, risking structural damage and conditions like bronchopulmonary dysplasia.

Purpose:

  • To review the challenges and evolving protective ventilation strategies in pediatric patients.
  • To highlight the importance of understanding pediatric physiology and pathophysiology in ventilation management.
  • To emphasize optimizing ventilation to prevent adverse outcomes and promote long-term health.

Summary:

  • Pediatric positive pressure ventilation can lead to atelectasis and barotrauma, similar to adults.
  • Prolonged ventilation, especially in neonates, can cause airway damage, tracheomegaly, tracheal collapse, and bronchopulmonary dysplasia.
  • Protective ventilation modes have been developed to reopen collapsed lung regions without overdistension, based on pathophysiologic knowledge.

Impact:

  • Informed ventilation management can mitigate risks associated with PPV in children.
  • Optimizing ventilation strategies contributes to better long-term outcomes for pediatric patients.
  • Understanding pediatric-specific respiratory physiology is crucial for safe and effective mechanical ventilation.

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