AJIC: American Journal of Infection Control
Volume 37, Issue 8 , Pages 626-630, October 2009

A fall in bloodstream infections followed a change to 2% chlorhexidine in 70% isopropanol for catheter connection antisepsis: A pediatric single center before/after study on a hemopoietic stem cell transplant ward

Great Ormond Street Hospital For Children NHS Trust, London, UK

published online 21 July 2009.

Background

Some catheter-related bloodstream infections originate from catheter connectors; therefore, improved antisepsis of these might be expected to reduce the incidence of such infections.

Methods

In this observational before/after study at a pediatric tertiary referral hospital, inpatients up to 16 years old undergoing hemopoietic stem cell transplants were studied. Catheter connection antisepsis was changed from 70% isopropanol alone to 2% chlorhexidine in 70% isopropanol. Numbers of catheter-related bloodstream infections before and after the change were monitored as were the numbers of catheter days experienced by patients.

Results

The infection rate before the change was 12 per 1000 catheter-days, and, following the change, this fell to 3 per 1000 catheter-days (P=.004). Similar falls followed the introduction of chlorhexidine to other wards.

Conclusion

The introduction of chlorhexidine was followed by a profound, sustained fall in catheter-related infections. The results support the 2007 United Kingdom guidelines recommending 2% chlorhexidine in 70% isopropanol as a disinfectant of needleless connectors and hubs of central venous catheters.

Key Words: Catheter, chlorhexidine, connector

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 Conflicts of interest: None to report.

PII: S0196-6553(09)00596-3

doi:10.1016/j.ajic.2009.03.014

AJIC: American Journal of Infection Control
Volume 37, Issue 8 , Pages 626-630, October 2009