A Sustained Reduction of Methicillin Resistant Staphylococcus aureus (MRSA) in an Intensive Care Unit (ICU) at an Australian Tertiary Hospital over an 8-Year Period in the Absence of Intensive Infection Control Measures

Marshall, Caroline , McBryde, Emma , Buising, Kirsty , and Ananda-Rajah, Michelle (2008) A Sustained Reduction of Methicillin Resistant Staphylococcus aureus (MRSA) in an Intensive Care Unit (ICU) at an Australian Tertiary Hospital over an 8-Year Period in the Absence of Intensive Infection Control Measures. In: Abstracts of the Interscience Conference on Antimicrobial Agents and Chemotherapy (48) From: Interscience Conference on Antimicrobial Agents and Chemotherapy.

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Abstract

Background: Intensive efforts to control nosocomial MRSA remain controversial. We report a decline in MRSA blood stream and other clinical isolates from our ICU in the absence of specific interventions against MRSA. Methods: Retrospective time series analysis of Staphylococcus aureus (SA) isolates from the Royal Melbourne Hospital ICU 2000-2007. Clinical isolates were electronically extracted from the microbiology database. Screening swabs and duplicate isolates collected within 7d from sterile and 30d from non-sterile sites respectively were excluded. Results: Consecutive 6 monthly MRSA (& total SA) clinical isolates/1000 occupied ICU bed days and MRSA (& total SA) blood culture isolates (unadjusted for occupancy) from 2000-2007 is presented in table 1. Trauma, cardiothoracic & other surgical comprised 63% (mean) of ICU admissions/ year. No MRSA specific interventions i.e. active screening, decolonisation or isolation were implemented. Interventions included antibiotic stewardship incorporating a computerized program (Jan 2001), regular rounds by infectious diseases physicians (April 2004), temporary screening & barrier nursing of Acinetobacter colonised patients during an outbreak of non-multiresistant Acinetobacter (Nov 2004-Dec 2005) and hand hygiene education (May 2005). Conclusions: Sustained reduction of endemic MRSA was achieved by quality improvement measures and limited infection control interventions. Intensive and expensive control measures may not always be necessary.

Item ID: 40360
Item Type: Conference Item (Abstract / Summary)
ISSN: 0733-6373
Date Deposited: 23 Feb 2017 02:18
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1103 Clinical Sciences > 110309 Infectious Diseases @ 40%
11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111706 Epidemiology @ 40%
16 STUDIES IN HUMAN SOCIETY > 1605 Policy and Administration > 160508 Health Policy @ 20%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920109 Infectious Diseases @ 50%
92 HEALTH > 9202 Health and Support Services > 920207 Health Policy Evaluation @ 50%
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