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Ten-year decrease of acquired methicillin-resistant Staphylococcus aureus (MRSA) bacteremia at a single institution: the result of a multifaceted program combining cross-transmission prevention and antimicrobial stewardship

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Author(s): Chalfine Annie | Kitzis Marie-Dominique | Bezie Yvonnick | Benali Adel | Perniceni Laurence | Nguyen Jean-Claude | Dumay Marie | Gonot Jacqueline | Rejasse Gilles | Goldstein Fred | Carlet Jean | Misset Benoît

Journal: Antimicrobial Resistance and Infection Control
ISSN 2047-2994

Volume: 1;
Issue: 1;
Start page: 18;
Date: 2012;
Original page

Keywords: MRSA | Bacteremia | Hospital-acquired | Isolation precaution | Alcohol based hand rub | Antibiotic stewardship

ABSTRACT
Abstract Background In France, the proportion of MRSA has been over 25% since 2000. Prevention of hospital-acquired (HA) MRSA spread is based on isolation precautions and antibiotic stewardship. At our institution, before 2000, the Infection Disease and the Infection Control teams had failed to reduce HA-MRSA rates. Objectives and methods We implemented a multifaceted hospital-wide prevention program and measured the effects on HA-MRSA colonization and bacteremia rates between 2000 and 2009. From 2000 to 2003, active screening and decontamination of ICU patients, hospital wide alcohol based hand rubs (ABHR) use, control of specific classes of antibiotics, compliance audits, and feed-backs to the care providers were successively implemented. The efficacy of the program was assessed by HA-MRSA colonized and bacteremic patient rates per 1000 patient-days in patients hospitalized for more than twenty-four hours. Results Compliance with the isolation practices increased between 2000 and 2009. Consumption of ABHR increased from 6.8 L to 27.5 L per 1000 patient-days. The use of antibiotic Defined Daily Doses (DDD) per 1000 patient-days decreased by 31%. HA-MRSA colonization decreased by 84% from 1.09 to 0.17 per 1000 patient-days and HA-MRSA bacteremia by 93%, from 0.15 to 0.01 per 1000 patient-days (p 

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