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2. Proportional assist ventilation versus pressure support ventilation for weaning from mechanical ventilation in adults: weaning success and mortality

Author

Christos F. Kampolis, Maria Mermiri, Ioannis Pantazopoulos, and Georgios Mavrovounis

Subjects
Adult, Mechanical ventilation, medicine.medical_specialty, Letter, Time Factors, business.industry, RC86-88.9, Respiration, medicine.medical_treatment, MEDLINE, Pressure support ventilation, Medical emergencies. Critical care. Intensive care. First aid, Weaning, Critical Care and Intensive Care Medicine, Respiration, Artificial, Positive-Pressure Respiration, Proportional Assist Ventilation, Emergency medicine, Humans, Medicine, Interactive Ventilatory Support, business, Ventilator Weaning
Abstract

Pressure support ventilation (PSV) is the prevalent weaning method. Proportional assist ventilation (PAV) is an assisted ventilation mode, which is recently being applied to wean the patients from mechanical ventilation. Whether PAV or PSV is superior for weaning remains unclear.Eligible randomized controlled trials published before April 2020 were retrieved from databases. We calculated the risk ratio (RR) and mean difference (MD) with 95% confidence intervals (CIs).Seven articles, involving 634 patients, met the selection criteria. Compared to PSV, PAV was associated with a significantly higher rate of weaning success (fixed-effect RR 1.16; 95% CI 1.07-1.26; IThe results of the meta-analysis suggest that PAV is superior to PSV in terms of weaning success, and the statistical power is confirmed using trial sequential analysis.

Published
2021

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