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JOURNAL ARTICLE
OBSERVATIONAL STUDY
Effectiveness of a bundle of measures for reducing central line-associated bloodstream infections.
INTRODUCTION: Catheter-associated infections are the main cause of nosocomial bacteremia. The main objective of this study was to demonstrate a possible decrease in CLABSI rates in perioperative environment after the implementation of a bundle of measures. Secondary objective was to determine which factors were associated with an increased risk of CLABSI, after the implementation of the bundle.
METHODS: Insertion bundle consisted of: subclavian vein as access of choice, disinfection with alcoholic 2% chlorhexidine, central-line full body drapes, sterile ultrasound probe-cable covers and insertion check-list. Cumulative Incidence (CI) and Incidence Density Rate (IR) of CLABSIs were compared before and after the intervention. Associations between patient or CVC characteristic and CLABSI were summarized with odds ratios and 95% confidence interval, obtained from multiple logistic regression, adjusting for age, sex, comorbidities and days with CVC.
RESULTS: Before implementing the bundle, from January to November 2016, CI of CLABSI was 5.05% and IR was 5.17 ‰. In the same period of 2018, CI of CLABSI was 2.28% and IR was 2.27 ‰, which means a reduction of 54.8% in CI (P=.072) and of 56% in IR (P=.068) In multivariable analyses, replacement of CVC was associated with a higher risk of CLABSI (OR 11.01, 95%CI 2.03-59.60, P=.005), as well as 2 or more catheterizations (OR 10.05, 95%CI 1.77-57.16, P=.009), and parenteral nutrition (OR 23.37, 95%CI 4.37-124.91, P<.001).
CONCLUSIONS: CLABSI rates decreased after the implementation of the insertion bundle. CVC replacement, 2 or more catheterizations and parenteral nutrition were associated with CLABSI after bundle implementation.
METHODS: Insertion bundle consisted of: subclavian vein as access of choice, disinfection with alcoholic 2% chlorhexidine, central-line full body drapes, sterile ultrasound probe-cable covers and insertion check-list. Cumulative Incidence (CI) and Incidence Density Rate (IR) of CLABSIs were compared before and after the intervention. Associations between patient or CVC characteristic and CLABSI were summarized with odds ratios and 95% confidence interval, obtained from multiple logistic regression, adjusting for age, sex, comorbidities and days with CVC.
RESULTS: Before implementing the bundle, from January to November 2016, CI of CLABSI was 5.05% and IR was 5.17 ‰. In the same period of 2018, CI of CLABSI was 2.28% and IR was 2.27 ‰, which means a reduction of 54.8% in CI (P=.072) and of 56% in IR (P=.068) In multivariable analyses, replacement of CVC was associated with a higher risk of CLABSI (OR 11.01, 95%CI 2.03-59.60, P=.005), as well as 2 or more catheterizations (OR 10.05, 95%CI 1.77-57.16, P=.009), and parenteral nutrition (OR 23.37, 95%CI 4.37-124.91, P<.001).
CONCLUSIONS: CLABSI rates decreased after the implementation of the insertion bundle. CVC replacement, 2 or more catheterizations and parenteral nutrition were associated with CLABSI after bundle implementation.
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