Article Text
PDFOccasional review
Proportional assist ventilation (PAV): a significant advance or a futile struggle between logic and practice?
Abstract
Proportional assist ventilation is a promising addition to other more conventional modes of mechanical ventilation with the theoretical advantage of improving patient-ventilator interaction. It may also be of use as a diagnostic tool in the control of breathing in mechanically ventilated patients.
- proportional assist ventilation
- intensive care
- mechanical ventilation
- PAV, proportional assist ventilation
- PSV, pressure support ventilation
- WOB, work of breathing
- CVF, chronic ventilatory failure
- ARF, acute respiratory failure
- Vt, tidal volume
- E, elastance
- R, resistance
- FA, flow assist
- VA, volume assist
- PEEP, positive end expiratory pressure
- CPAP, continuous positive airway pressure
- NPPV, non-invasive positive pressure ventilation
- Pdi, transdiaphragmatic pressure
- Poes, oesophageal pressure
- Pao, pressure at the airway opening
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- PAV, proportional assist ventilation
- PSV, pressure support ventilation
- WOB, work of breathing
- CVF, chronic ventilatory failure
- ARF, acute respiratory failure
- Vt, tidal volume
- E, elastance
- R, resistance
- FA, flow assist
- VA, volume assist
- PEEP, positive end expiratory pressure
- CPAP, continuous positive airway pressure
- NPPV, non-invasive positive pressure ventilation
- Pdi, transdiaphragmatic pressure
- Poes, oesophageal pressure
- Pao, pressure at the airway opening