How is weaning from mechanical ventilation initiated in patients with respiratory failure?

Updated: Apr 07, 2020
  • Author: Ata Murat Kaynar, MD; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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Weaning or liberation from mechanical ventilation is initiated when the underlying process that necessitated ventilatory support has improved. In some patients, such as those recovering from uncomplicated major surgery or a toxic ingestion, withdrawal of ventilator support may be done without weaning. In patients who required more prolonged respiratory therapy, the process of liberating the patient from ventilatory support may take much longer.

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