High frequency oscillation ventilation

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Background

High Frequency Oscillation Ventilation (HFOV) is an alternative method for ventilation and oxygenation in critically ill patients.

Mechanism

  • Low tidal volumes
  • Delivered at high frequency
  • Maintains lung recruitment
    • Reduces Ventilator Induced Lung Injury (VILI) from recruitment and de-recruitment

Pros and Cons

  • Pros
    • Limits VILI
  • Cons
    • No difference or likely to cause harm in adult ARDS patients
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