Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2020, 164(2):154-160 | DOI: 10.5507/bp.2019.022

The efficacy of a non-leaching antibacterial central venous catheter - a prospective, randomized, double-blind study

Ivo Krikavaa, Martin Kolarb, Barbora Garajovac, Tomas Balikd, Alena Sevcikovae, Ingolf Roschkef, Pavel Sevcikg
a Department of Pain Treatment, Department of Paediatric Anaesthesiology and Resuscitation, University Hospital Brno and Department of Paediatric Anaesthesiology and Resuscitation, Faculty of Medicine, Masaryk University, Brno, Czech Republic
b Department of Anesthesiology and Critical Care, University Hospital Kralovske Vinohrady, Prague, and Department of Anaesthesiology and Resuscitation, 3rd Faculty of Medicine, Charles University, Prague, Czech Republic
c Department of Surgery, University Hospital Brno, Brno, Czech Republic
d Department of Anesthesiology and Critical Care, University Hospital Kralovske Vinohrady, Prague, Czech Republic
e Department of Clinical Microbiology, University Hospital Brno, Brno and Department of Laboratory Methods, Faculty of Medicine, Masaryk University, Brno, Czech Republic
f Dr. Roschke GMBH, Cologne, Germany
g Depatment of Anaesthesiology and Resuscitation, University Hospital Ostrava and Department of Intensive Medicine and Forensic Studies, Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic

Background: Antimicrobial coatings of central venous catheters (CVC) have the potential to reduce the risk of infectious complications. The aim of this study was to examine the efficacy of a catheter with a non-leaching antimicrobial coating against catheter colonization and bloodstream infections (BSI).

Methods: The study was conducted in two centers using a prospective, randomized, double-blind and controlled design (680 intensive care patients; a protective CVC (Certofix® protect) or a standard CVC (Certofix®). Primary objectives were the rates of catheter colonization and BSI in the two groups. Other baseline demographics, APACHE II score, insertion site, location of CVC placement (ICU or theatre), indwelling time and length of ICU stay were comparable for both groups.

Results: While the rate of catheter colonization between the coated and uncoated CVC (17.4% vs. 18.7%, P=0.7477) and the rate of microbiologically confirmed catheter associated infections were similar (1.4% vs. 1.9%, P=0.7521), the coated CVC showed a significantly lower incidence of BSI (2.0% vs. 6.5%, P=0.0081) and a significantly lower mean incidence of BSI per 1000 catheter days (3.2 vs. 8.3, P=0.0356).

Conclusion: The non-leaching antibacterial coating of the protective catheter was effective in reducing the incidence of BSI but not the rate of catheter colonization. However, the incidence of BSI is a better surrogate marker for the risk of developing clinical signs of infection suggesting that use of the non-leaching protective catheter is effective in this regard. Trial number: ClinicalTrials.gov (ID: NCT00555282), https://clinicaltrials.gov/show/NCT00555282

Keywords: antimicrobial, CVC, non-leaching, catheter-related bloodstream infections

Received: February 7, 2019; Revised: May 15, 2019; Accepted: May 15, 2019; Prepublished online: May 28, 2019; Published: June 18, 2020  Show citation

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Krikava, I., Kolar, M., Garajova, B., Balik, T., Sevcikova, A., Roschke, I., & Sevcik, P. (2020). The efficacy of a non-leaching antibacterial central venous catheter - a prospective, randomized, double-blind study. Biomedical papers, 164(2), 154-160. doi: 10.5507/bp.2019.022
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