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Randomized Controlled Trial
. 2023 Sep;36(7):1889-1896.
doi: 10.1007/s40620-023-01615-x. Epub 2023 May 4.

Topical gentamicin for the prevention of tunneled hemodialysis catheter-related infections: a randomized double-blind study

Camille Pereira Caetano  1 , Vanessa Piacitelli Cassimiro  2 , Daniele Lopes Dionisio  2 , Viviane Pollo Pereira  2 , Elisabete Aparecida Crispim Rodrigues  2 , Priscila Nunes Rosa  2 , Daniele Aparecida Elias  2 , Daniela Ponce  2
Affiliations
Randomized Controlled Trial

Topical gentamicin for the prevention of tunneled hemodialysis catheter-related infections: a randomized double-blind study

Camille Pereira Caetano et al. J Nephrol. 2023 Sep.

Abstract

Introduction: Infection is the second leading cause of death in dialysis patients, with catheter-related bloodstream infection being the most serious. Exit Site Infection and Tunnel Infection are also related to the catheter.

Objective: To compare the infection rates achieved with the application of either topical gentamicin or placebo to the exit-site of tunneled catheters filled with locking solution in chronic hemodialysis patients.

Methods: This randomized double-blind clinical trial compared the application of 0.1% gentamicin versus placebo to the exit site of tunneled hemodialysis catheters filled with a prophylactic locking solution. A total of 91 patients were randomly allocated to 2 groups: placebo or 0.1% gentamicin.

Results: Mean patient age was 60.4 (+ 15.3) years, with predominance of males (60.4%). The main cause of chronic kidney disease was diabetes (40.7%). The rates of exit site infection (placebo = 30% vs. gentamicin = 34.1%, p = 0.821), and bloodstream infection (placebo = 22% vs. gentamicin = 17.1%, p = 0.60), as well as both exit site infection and bloodstream infection incidence density per 1000 catheter-days (p = 1) did not differ between groups. The infection-free curve was also similar in both groups.

Conclusion: The application of topical 0.1% gentamicin to the exit site of tunneled catheters filled with lock solution did not reduce infectious complications when compared to topical placebo in patients on chronic hemodialysis.

Keywords: Catheter-related infections; Central venous catheters; Hemodialysis; Tunneled catheter.

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