Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12530/55797
Title: Proportional assist ventilation feasibility in the early stage of respiratory failure: a prospective randomized multicenter trial.
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Issue Date: 7-Feb-2019
Citation: Minerva Anestesiol.2019;(85)8:862-870
Abstract: Proportional assist ventilation (PAV+) is an assisted ventilator mode usually applied during weaning. We aimed to determine the feasibility of using PAV+ in the early phase of acute respiratory failure compared to volume-assist control ventilation (V-ACV) in order to shorten the length of mechanical ventilation (MV). We conducted a prospective randomized trial comparing high-assistance PAV+ (gain 80%) vs. V-ACV in four university hospital Intensive Care Units. Patients were included based on a previous pilot trial. Length of MV was the main objective. Secondary objectives were length of stay (LOS) in ICU/hospital, and ICU/hospital/60-day mortality. Statistics - Mann-Whitney U Test and Fisher's Exact Test. We could not find differences in length of MV or any of the analyzed variables between the 52 patients with PAV+ and 50 patients with V-ACV. The high PAV+ failure rate (42%) was attributed to excessive sedation, high respiratory rate, and high respiratory effort. The use of high-assistance PAV+ in the early phase of MV does not present benefits compared to V-ACV. The high rate of PAV+ failure reinforces the need for sedative optimization, learning curve, and better patient selection.
PMID: 30735015
URI: https://hdl.handle.net/20.500.12530/55797
Appears in Collections:Fundaciones e Institutos de Investigación > FIIB H. U. Infanta Sofía y H. U. Henares > Artículos

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