Changes in healthcare-associated Staphylococcus aureus bloodstream infections after the introduction of a national hand hygiene initiative

Barnett, Adrian G., Page, Katie, Campbell, Megan, Brain, David, Martin, Elizabeth, Rashleigh-Rolls, Rebecca, Halton, Kate, Hall, Lisa, Jimmieson, Nerina L., White, Katherine, Paterson, David, & Graves, Nicholas (2014) Changes in healthcare-associated Staphylococcus aureus bloodstream infections after the introduction of a national hand hygiene initiative. Infection Control and Hospital Epidemiology, 35(8), pp. 1029-1036.

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Background. Interventions that prevent healthcare-associated infection should lead to fewer deaths and shorter hospital stays. Cleaning hands (with soap or alcohol) is an effective way to prevent the transmission of organisms, but rates of compliance with hand hygiene are sometimes disappointingly low. The National Hand Hygiene Initiative in Australia aimed to improve hand hygiene compliance among healthcare workers, with the goal of reducing rates of healthcare-associated infection.

Methods. We examined whether the introduction of the National Hand Hygiene Initiative was associated with a change in infection rates. Monthly infection rates for healthcare-associated Staphylococcus aureus bloodstream infections were examined in 38 Australian hospitals across 6 states. We used Poisson regression and examined 12 possible patterns of change, with the best fitting pattern chosen using the Akaike information criterion. Monthly bed-days were included to control for increased hospital use over time.

Results. The National Hand Hygiene Initiative was associated with a reduction in infection rates in 4 of the 6 states studied. Two states showed an immediate reduction in rates of 17% and 28%, 2 states showed a linear decrease in rates of 8% and 11% per year, and 2 showed no change in infection rates.

Conclusions. The intervention was associated with reduced infection rates in most states. The failure in 2 states may have been because those states already had effective initiatives before the national initiative’s introduction or because infection rates were already low and could not be further reduced.

Impact and interest:

6 citations in Scopus
6 citations in Web of Science®
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ID Code: 74657
Item Type: Journal Article
Refereed: Yes
Keywords: Staphylococcus aureus, Bloodstream Infections, Hand Hygiene, Healthcare-Associated Infection
DOI: 10.1086/677160
ISSN: 1559-6834
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Epidemiology (111706)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Current > Schools > School of Public Health & Social Work
Copyright Owner: Copyright 2014 by The Society for Healthcare Epidemiology of America
Deposited On: 03 Aug 2014 22:27
Last Modified: 01 Sep 2015 14:01

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