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Correlation between incidence of VAP and reintubation rate in ICU patients.

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Correlation between incidence of VAP and reintubation rate in ICU patients.

Vakalos A, Plassati M, Pagioulas K.

ICU, Xanthi General Hospital, Xanthi, Greece.


Introduction: Ventilator Associated Pneumonia (VAP) is one of the most frequently seen infections in ICU setting. On the other hand, reintubation may increase the respiratory infection risk, as well as the airway management risk, according to length of stay prolongation and morbility and mortality deterioration.

Objectives: The aim of our observation retrospective study was to test the hypothesis that a correlation exists between the incidence of VAP and the reintubation rate in our both medical and surgical ICU served in community hospital.

Methods: From January 2006 to December 2014 admitted to our ICU 692 patients, mean age 65.1 years, mean length of ICU stay (LOS) 13.7 days, mean mechanical ventilation duration per ventilated patient (V. Days) 11.83 days, mean APACHE II score on admission 21.3, predicted mortality 39.2 %, actual mortality 31.50 %, Standardized Mortality Ratio (SMR) 0.80. From our database we looked for incidence of VAP (‰ ventilation days) as well as the reintubation rate (‰ ventilation days). Using linear correlation method, we looked for linear slope, correlation coefficient (r), and coefficient of determination (r2), and by linear regression method using ANOVA test we looked for p value, according incidence of VAP and reintubation rate.

Conclusions: According to our data, there is a positive strong correlation detected between incidence of VAP and reintubation rate, yet not quite significant. Our data suggest that as the reintubation rate increases, the risk for developing VAP goes higher.       

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