• Clinics · Sep 2012

    Low mechanical ventilation times and reintubation rates associated with a specific weaning protocol in an intensive care unit setting: a retrospective study.

    • Cilene Saghabi de Medeiros Silva, Karina T Timenetsky, Corinne Taniguchi, Sedila Calegaro, Carolina Sant'anna A Azevedo, Ricardo Stus, Gustavo Faissol Janot de Matos, Raquel A C Eid, and Carmen Silvia Valente Barbas.
    • Intensive Care Unit, Critically III Patients Department, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil. cilene@einstein.br
    • Clinics (Sao Paulo). 2012 Sep 1;67(9):995-1000.

    ObjectivesA number of complications exist with invasive mechanical ventilation and with the use of and withdrawal from prolonged ventilator support. The use of protocols that enable the systematic identification of patients eligible for an interruption in mechanical ventilation can significantly reduce the number of complications. This study describes the application of a weaning protocol and its results.MethodsPatients who required invasive mechanical ventilation for more than 24 hours were included and assessed daily to identify individuals who were ready to begin the weaning process.ResultsWe studied 252 patients with a median mechanical ventilation time of 3.7 days (interquartile range of 1 to 23 days), a rapid shallow breathing index value of 48 (median), a maximum inspiratory pressure of 40 cmH(2)0, and a maximum expiratory pressure of 40 cm H(2)0 (median). Of these 252 patients, 32 (12.7%) had to be reintubated, which represented weaning failure. Noninvasive ventilation was used postextubation in 170 (73%) patients, and 15% of these patients were reintubated, which also represented weaning failure. The mortality rate of the 252 patients studied was 8.73% (22), and there was no significant difference in the age, gender, mechanical ventilation time, and maximum inspiratory pressure between the survivors and nonsurvivors.ConclusionsThe use of a specific weaning protocol resulted in a lower mechanical ventilation time and an acceptable reintubation rate. This protocol can be used as a comparative index in hospitals to improve the weaning system, its monitoring and the informative reporting of patient outcomes and may represent a future tool and source of quality markers for patient care.

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