Auto-positive end expiratory pressure (auto-PEEP) is a physiologic event that is a recently recognized phenomenon common to mechanically ventilated patients. Auto-PEEP occurs when forces exist that limit expiration and the subsequent elimination of positive pressure from the lungs. If positive pressure is retained, a potential reduction in cardiac output and increase in complications from barotrauma arise. Because of possible physiologic problems associated with it, auto-PEEP can potentially interfere with weaning from mechanical ventilation. Nursing measures that can reduce the effect of auto-PEEP during weaning are centered on improving the inspiratory/expiratory flow patterns. These efforts include manipulating mechanical ventilator settings and reducing causes of increased respiratory rates (e.g., pain and anxiety). Since auto-PEEP was only recently identified as a potential impediment to weaning from mechanical ventilation, the nurse must be aware of the need to assess for the presence of auto-PEEP in these patients
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Weaning from Long-Term Mechanical Ventilation| August 01 1991
Auto-PEEP: An Impediment to Weaning in the Chronically Ventilated Patient
Lori Kohles Geisman, MSN, RN, CCRN;
From the Department of Nursing, Barnes Hospital, St. Louis, Missouri.
Reprint requests to Lori Kohles Geisman. MSN, RN, CCRN, Department of Nursing, Barnes Hospital, 1 Barnes Hospital Plaza, St. Louis, MO 63110.
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AACN Adv Crit Care (1991) 2 (3): 391–397.
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Lori Kohles Geisman, Tom Ahrens; Auto-PEEP: An Impediment to Weaning in the Chronically Ventilated Patient. AACN Adv Crit Care 1 August 1991; 2 (3): 391–397. doi: https://doi.org/10.4037/15597768-1991-3004
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