• Am J Infect Control · Aug 2010

    Evaluation of interventions to reduce catheter-associated bloodstream infection: continuous tailored education versus one basic lecture.

    • Renata D Lobo, Anna S Levin, Maura S Oliveira, Laura M B Gomes, Satiko Gobara, Marcelo Park, Valquíria B Figueiredo, Edzangela de Vasconcelos Santos, and Silvia F Costa.
    • Infection Control Nosocomial Committee, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil.
    • Am J Infect Control. 2010 Aug 1;38(6):440-8.

    BackgroundThis study evaluated the impact of 2 models of educational intervention on rates of central venous catheter-associated bloodstream infections (CVC-BSIs).MethodsThis was a prospective observational study conducted between January 2005 and June 2007 in 2 medical intensive care units (designated ICU A and ICU B) in a large teaching hospital. The study was divided into in 3 periods: baseline (only rates were evaluated), preintervention (questionnaire to evaluate knowledge of health care workers [HCWs] and observation of CVC care in both ICUs), and intervention (in ICU A, tailored, continuous intervention; in ICU B, a single lecture). The preintervention and intervention periods for each ICU were compared.ResultsDuring the preintervention period, 940 CVC-days were evaluated in ICU A and 843 CVC-days were evaluated in ICU B. During the intervention period, 2175 CVC-days were evaluated in ICU A and 1694 CVC-days were evaluated in ICU B. Questions regarding CVC insertion, disinfection during catheter manipulation, and use of an alcohol-based product during dressing application were answered correctly by 70%-100% HCWs. Nevertheless, HCWs' adherence to these practices in the preintervention period was low for CVC handling and dressing, hand hygiene (6%-35%), and catheter hub disinfection (45%-68%). During the intervention period, HCWs' adherence to hand hygiene was 48%-98%, and adherence to hub disinfection was 82%-97%. CVC-BSI rates declined in both units. In ICU A, this decrease was progressive and sustained, from 12 CVC-BSIs/1000 CVC-days at baseline to 0 after 9 months. In ICU B, the rate initially dropped from 16.2 to 0 CVC-BSIs/1000 CVC-days, but then increased to 13.7 CVC-BSIs/1000 CVC-days.ConclusionPersonal customized, continuous intervention seems to develop a "culture of prevention" and is more effective than single intervention, leading to a sustained reduction of infection rates.Copyright 2010 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Mosby, Inc. All rights reserved.

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