• J Korean Acad Nurs · Dec 2010

    Controlled Clinical Trial

    [Ventilator-associated pneumonia with circuit changes every 7 days versus every 14 days].

    • Jeong-Sil Choi and Jeong-haw Yeon.
    • Department of Nursing Science, Sangji University, 660 Usan-dong, Wonju 220-702, Korea. jschoi408@empal.com
    • J Korean Acad Nurs. 2010 Dec 1; 40 (6): 799-807.

    PurposeTo determine whether the practice of not routinely changing ventilator circuits in patients who require prolonged mechanical ventilation is associated with ventilator-associated pneumonia (VAP).MethodsPatients were divided into two groups, ventilator circuits were routinely changed every 7 days for the control group (39) and every 14 days for the experimental group (40) over a period of 1 yr (April 1, 2009-March 31, 2010). Pediatric patients (age 17 yr or less) were not included. VAP was diagnosed by the criteria of the Centers of Disease Control and Prevention (CDC). Incidence of VAP and characteristics of infection were evaluated.ResultsIn the experimental group, 2 episodes of pneumonia were observed in 40 patients and 1,322 ventilator days. The rate of VAP was 1.5 per 1,000 ventilator days. There was 1 episode of pneumonia in 39 patients and 481 ventilator days for the control group. The rate of VAP was 2.1 per 1,000 ventilator days. The difference between both groups was not significant (p=.695).ConclusionExtending ventilator circuit change interval from 7 days to 14 days does not increase the risk for VAP.

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