Acute respiratory distress syndrome in children: physiology and management

David N Cornfield1

  • 1Division of Pediatric Critical Care Medicine, Department of Pediatrics, Center for Excellence in Pulmonary Biology, Lucile Packard Children's Hospital, Stanford University School of Medicine, Stanford, California, USA. cornfield@stanford.edu

Insights

Acute Respiratory Distress Syndrome (ARDS) in children is a serious condition. Optimizing treatment through understanding its pathophysiology and employing lung-protective ventilation strategies improves survival and minimizes lung injury.

Area of Science:

  • Pediatric critical care medicine
  • Respiratory physiology
  • Neonatology

Background:

  • Acute Respiratory Distress Syndrome (ARDS) is a significant cause of mortality and morbidity in pediatric populations.
  • Risk factors for ARDS in children include trauma, pneumonia, aspiration, and immune compromise.
  • Understanding the underlying pathophysiologic processes is crucial for effective management.

Purpose of the Study:

  • To review the pathophysiologic mechanisms of ARDS development in children.
  • To provide a physiologic basis for optimizing ARDS treatment strategies in pediatric patients.
  • To enhance clinical outcomes for children with ARDS.

Main Methods:

  • Literature review focusing on pediatric ARDS pathophysiology and treatment.
  • Analysis of current evidence regarding ventilation strategies and adjunctive therapies.
  • Synthesis of physiologic principles guiding ARDS management.

Main Results:

  • An open-lung ventilation strategy is associated with improved survival and reduced lung injury.
  • Key components of lung-protective ventilation include adequate positive end-expiratory pressure (PEEP), limited tidal volume (5-7 cc/kg), and low plateau pressure (≤30 cmH2O).
  • The relative benefits of high-frequency oscillatory ventilation, surfactant replacement, and inhaled nitric oxide are discussed.

Conclusions:

  • ARDS continues to be a critical challenge in pediatric care, contributing to significant mortality and morbidity.
  • Application of established physiologic principles in clinical practice can optimize patient outcomes.
  • Effective management hinges on understanding ARDS pathophysiology and implementing lung-protective ventilation.
Abstract

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