Use of a chlorhexidine-impregnated dressing reduced catheter-related bloodstream infections caused by Gram-positive

Ayse Betul Ergul1, Ikbal Gokcek2, Alper Ozcan3

  • 1Ayse Betul Ergul, M.D. Department of Pediatric Intensive Care Unit, University of Health Sciences, Kayseri Training and Research Hospital, Kayseri, Turkey.

Insights

Chlorhexidine Gluconate (CHG) dressings showed a significant reduction in Gram-positive Catheter-Related Bloodstream Infections (CRBSIs). While overall CRBSI rates were similar, CHG dressings proved effective against specific bacterial types.

Area of Science:

  • Infection Control
  • Medical Device Associated Infections
  • Antimicrobial Stewardship

Background:

  • Catheter-Related Bloodstream Infections (CRBSIs) are a significant concern in intensive care settings.
  • Transparent dressings are commonly used for vascular access sites, but their antimicrobial properties vary.
  • Chlorhexidine Gluconate (CHG) is a broad-spectrum antiseptic with proven efficacy against various microorganisms.

Purpose of the Study:

  • To compare the effectiveness of Chlorhexidine Gluconate (CHG)-impregnated dressings versus standard non-antimicrobial transparent dressings in preventing CRBSIs.
  • To evaluate the impact of CHG dressings on the incidence of CRBSIs, specifically focusing on causative microorganisms.

Main Methods:

  • A prospective, comparative, single-center clinical study was conducted in a pediatric intensive care unit.
  • Patients with jugular vein catheterization for ≥48 hours were included.
  • The study utilized a crossover design with alternating phases of standard non-antimicrobial dressings and CHG-impregnated dressings to mitigate temporal biases.

Main Results:

  • The study included 68 patients in the standard-dressing group and 63 in the CHG-dressing group, with similar catheterization durations.
  • The overall CRBSI rate was slightly lower in the CHG group (20.6%) compared to the standard group (26.5%), but this difference was not statistically significant.
  • A statistically significant reduction in CRBSIs caused by Gram-positive microorganisms was observed in the CHG-dressing group (0%) compared to the control group (8.8%; p=0.028).

Conclusions:

  • Chlorhexidine Gluconate (CHG) dressings significantly reduce CRBSIs caused by Gram-positive microorganisms.
  • While overall CRBSI rates did not differ significantly, CHG dressings offer targeted protection against specific pathogens, contributing to infection control strategies.
Abstract

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