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Aletheia

Print version ISSN 1413-0394

Abstract

LEITES, Fernanda Mariano; SEIXAS, Karina de Oliveira; SOUZA, Alexandra de  and  SILVA, Luciano Dondé da. Use of proportional assist ventilation and pressure support ventilation in weaning of patients tracheostomized. Aletheia [online]. 2021, vol.54, n.1, pp. 28-34. ISSN 1413-0394.  http://dx.doi.org/DOI10.29327/226091.54.1-3.

ABSTRACT Invasive mechanical ventilation (VMI) aims to improve gas exchange and reduce the ventilatory work of critically ill patients. Tracheostomy weaning is performed using spontaneous ventilation mode and periods outside the VMI progressively. The ventilation mode used can be, among others, pressure ventilation (PSV) or assisted proportional ventilation (PAV). The objective was to compare the use of PSV and PAV mode in the weaning of tracheostomized patients. Fourteen individuals were recruited, allocated into two groups, PSV and PAV, who underwent a weaning protocol and, at the end, the variables VMI time in tracheostomy, ventilatory weaning time and weaning success rates were evaluated. The PAV group had a better median in the weaning days outcome, but without statistically significant difference (p =0,459). It was not possible to state that PAV mode is the best choice for weaning in tracheostomized patients, further studies with larger sample size are needed.

Keywords : physical therapy specialty; intensive care units; mechanical ventilation.

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