Document Detail

Auto-PEEP in respiratory failure.
MedLine Citation:
PMID:  21971439     Owner:  NLM     Status:  Publisher    
Intrinsic positive end-expiratory pressure (auto-PEEP) is a common occurrence in patients with acute respiratory failure requiring mechanical ventilation. Auto-PEEP can cause severe respiratory and hemodynamic compromise. The presence of auto-PEEP should be suspected when airflow at end-exhalation is not zero. In patients receiving controlled mechanical ventilation, auto-PEEP can be estimated measuring the rise in airway pressure during an end-expiratory occlusion maneuver. In patients who trigger the ventilator or who are not connected to a ventilator, auto-PEEP can be estimated by simultaneous recordings of airflow and airway and esophageal pressure, respectively. The best technique to accurately measure auto-PEEP in patients who actively recruit their expiratory muscle remains controversial. Strategies that may reduce auto-PEEP include reduction of minute ventilation, use of small tidal volumes and prolongation of the time available for exhalation. In patients in whom auto-PEEP is caused by expiratory flow limitation, the application of low-levels of external PEEP can reduce dyspnea, reduce work of breathing, improve patient-ventilator interaction and cardiac function, all without worsening hyperinflation. Neurally adjusted ventilatory assist, a novel strategy of ventilatory assist, may improve patient-ventilator interaction in patients with auto-PEEP.
F Laghi; A Goyal
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-05
Journal Detail:
Title:  Minerva anestesiologica     Volume:  -     ISSN:  1827-1596     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-10-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375272     Medline TA:  Minerva Anestesiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Division of Pulmonary and Critical Care Medicine, Edward Hines Jr. Veterans Administration Hospital, Loyola University of Chicago Stritch School of Medicine, Hines, IL, USA -
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