Liberation from Mechanical Ventilation

Liberation from Mechanical Ventilation is a topic covered in the Pocket ICU Management.

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First Things First

  • The term "weaning" from mechanical ventilation (MV) implies a gradual process, which is generally not required. "Liberation" or "discontinuation" from MV is more accurate. Optimal methods include:
    • Avoiding unnecessarily slow methods, which increase ventilator days and lead to increased complications associated with MV (e.g., nosocomial pneumonia)
    • Avoiding overaggressive discontinuation efforts, which result in increased rates of reintubation. The optimal reintubation rate is unknown but most estimate it to be 5-10%.
  • The weaning phase does not involve the training of respiratory muscles to permit return of spontaneous breathing in ≥95% of subjects. It is a method to identify when the condition that required mechanical ventilation has improved sufficiently to allow resumption of spontaneous ventilation.
  • Institutions with protocols to weaning (vs. unlimited physician variability) have lower # days on MV.

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Last updated: May 18, 2010


* When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Liberation from Mechanical Ventilation ID - 534243 Y1 - 2010/05/18/ BT - Pocket ICU Management UR - PB -, Inc DB - Anesthesia Central DP - Unbound Medicine ER -