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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


"Liberation From Mechanical Ventilation." Pocket ICU Management, PocketMedicine.com, Inc, 2010. Anesthesia Central, anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534243/all/Liberation_from_Mechanical_Ventilation.
Liberation from Mechanical Ventilation. Pocket ICU Management. PocketMedicine.com, Inc; 2010. https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534243/all/Liberation_from_Mechanical_Ventilation. Accessed April 22, 2019.
Liberation from Mechanical Ventilation. (2010). In Pocket ICU Management. Available from https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534243/all/Liberation_from_Mechanical_Ventilation
Liberation From Mechanical Ventilation [Internet]. In: Pocket ICU Management. PocketMedicine.com, Inc; 2010. [cited 2019 April 22]. Available from: https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534243/all/Liberation_from_Mechanical_Ventilation.
* 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 - https://anesth.unboundmedicine.com/anesthesia/view/Pocket-ICU-Management/534243/all/Liberation_from_Mechanical_Ventilation PB - PocketMedicine.com, Inc DB - Anesthesia Central DP - Unbound Medicine ER -