Chapter

Oxygen Transport to Tissue XIV

Volume 317 of the series Advances in Experimental Medicine and Biology pp 371-376

Comparison of Pressure Support Ventilation (PSV) and Intermittent Mandatory Ventilation (IMV) during Weaning in Patients with Acute Respiratory Failure

  • F. EsenAffiliated withDepartment of Anesthesiology, Faculty of Medicine, University of Istanbul
  • , T. DenkelAffiliated withDepartment of Anesthesiology, Faculty of Medicine, University of Istanbul
  • , L. TelciAffiliated withDepartment of Anesthesiology, Faculty of Medicine, University of Istanbul
  • , J. KeseciogluAffiliated withDepartment of Anesthesiology, Faculty of Medicine, University of IstanbulDepartment of Anesthesiology, Erasmus University and Academic Hospital Dijkzigt
  • , A. S. TütüncüAffiliated withDepartment of Anesthesiology, Faculty of Medicine, University of IstanbulDepartment of Anesthesiology, Erasmus University and Academic Hospital Dijkzigt
  • , K. AkpirAffiliated withDepartment of Anesthesiology, Faculty of Medicine, University of Istanbul
  • , B. LachmannAffiliated withDepartment of Anesthesiology, Erasmus University and Academic Hospital Dijkzigt

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Abstract

Certain groups of mechanically ventilated patients with acute respiratory failure are difficult to wean from prolonged ventilation despite advanced respiratory support techniques. The common modes for providing support during weaning are intermittent mandatory ventilation (IMV), and spontaneous ventilatory trial (SVT) techniques; such as continuous positive airway pressure (CPAP) and T-piece. Weaning is often initiated with IMV, and a series of SVTs are introduced as the patient tolerates decreasing rates of IMV. However, there is some concern that this strategy of weaning may not be optimal for patient comfort, and muscle reconditioning [1].