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Effect of a nurse-implemented sedation protocol on the incidence of ventilator-associated pneumonia [Article de Revue]

 
[Impact d'un protocole de sédation mis en place par des infirmiers sur l'incidence des pneumonies associées à la ventilation]
Quenot, Jean-Pierre ; LADOIRE S ; DEVOUCOUX F ; DOISE JM ; CAILLIOD R ; CUNIN N ; AUBE H ; BLETTERY B ; Charles, PE ;
Dijon
Critical care medicine. 2007/09; 35(9) : 2031-2036
Summary: OBJECTIVE : To determine whether the use of a nurse-implemented sedation protocol could reduce the incidence of ventilator-associated pneumonia in critically ill patients.DESIGN : Two-phase (before-after), prospective, controlled study. SETTING : University-affiliated, 11-bed medical intensive care unit.PATIENTS : Patients requiring mechanical ventilation for >or=48 hrs and sedative infusion with midazolam or propofol alone.INTERVENTIONS : During the control phase, sedatives were adjusted according to the physician's decision. During the protocol phase, sedatives were adjusted according to a protocol developed by a multidisciplinary team including nurses and physicians. The protocol was based on the Cambridge scale, and sedation level was adjusted every 3 hrs by the nurses. Standard practices, including weaning from the ventilator and diagnosis of VAP, were the same during both study phases.MEASUREMENTS AND MAIN RESULTS : A total of 423 patients were enrolled (control group, n = 226; protocol group, n = 197). The incidence of VAP was significantly lower in the protocol group compared with the control group (6% and 15%, respectively, p = .005). By univariate analysis (log-rank test), only use of a nurse-implemented protocol was significantly associated with a decrease of incidence of VAP (p < .01). A nurse-implemented protocol was found to be independently associated with a lower incidence of VAP after adjustment on Simplified Acute Physiology Score II in the multivariate Cox proportional hazards model (hazard rate, 0.81; 95% confidence interval, 0.62-0.95; p = .03). The median duration of mechanical ventilation was significantly shorter in the protocol group (4.2 days; interquartile range, 2.1-9.5) compared with the control group (8 days; interquartile range, 2.2-22.0; p = .001), representing a 52% relative reduction. Extubation failure was more frequently observed in the control group compared with the protocol group (13% and 6%, respectively, p = .01). There was no significant difference in in-hospital mortality (38% vs. 45% in the protocol vs. control group, respectively, p = .22). CONCLUSIONS : In patients receiving mechanical ventilation and requiring sedative infusions with midazolam or propofol, the use of a nurse-implemented sedation protocol decreases the rate of VAP and the duration of mechanical ventilation. (RESUME D'AUTEUR)
Publication
2007/09

Pages
2031-2036

Language
Anglais

Number of ref
39

Published in

ID notice
318993

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