A meta-analysis of chlorhexidine-impregnated dressings for CLABSI prevention

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#IVTEAM #Intravenous literature: “Our analysis shows that a chlorhexidine-impregnated dressing is beneficial in preventing catheter colonization and, more importantly, catheter-related bloodstream infection and warrants routine use in patients at high risk of catheter-related bloodstream infection and central venous catheter or arterial catheter colonization.” Safdar et al (2014).

Reference:

Safdar, N., O’Horo, J.C., Ghufran, A., Bearden, A., Didier, M.E., Chateau, D. and Maki, D.G. (2014) Chlorhexidine-Impregnated Dressing for Prevention of Catheter-Related Bloodstream Infection: A Meta-Analysis. Critical Care Medicine March 26th. .

Abstract:

OBJECTIVE: To assess the efficacy of a chlorhexidine-impregnated dressing for prevention of central venous catheter-related colonization and catheter-related bloodstream infection using meta-analysis.

DATA SOURCES: Multiple computerized database searches supplemented by manual searches including relevant conference proceedings.

STUDY SELECTION: Randomized controlled trials evaluating the efficacy of a chlorhexidine-impregnated dressing compared with conventional dressings for prevention of catheter colonization and catheter-related bloodstream infection.

DATA EXTRACTION: Data were extracted on patient and catheter characteristics and outcomes.

DATA SYNTHESIS: Nine randomized controlled trials met the inclusion criteria. Use of a chlorhexidine-impregnated dressing resulted in a reduced prevalence of catheter-related bloodstream infection (random effects relative risk, 0.60; 95% CI, 0.41-0.88, p = 0.009). The prevalence of catheter colonization was also markedly reduced in the chlorhexidine-impregnated dressing group (random effects relative risk, 0.52; 95% CI, 0.43-0.64; p < 0.001). There was significant benefit for prevention of catheter colonization and catheter-related bloodstream infection, including arterial catheters used for hemodynamic monitoring. Other than in low birth weight infants, adverse effects were rare and minor.

CONCLUSIONS: Our analysis shows that a chlorhexidine-impregnated dressing is beneficial in preventing catheter colonization and, more importantly, catheter-related bloodstream infection and warrants routine use in patients at high risk of catheter-related bloodstream infection and central venous catheter or arterial catheter colonization.

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