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KMID : 0648620130180010001
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Korean Journal of Nosocomial Infection Control
2013 Volume.18 No. 1 p.1 ~ p.6
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Effect of Isolation Policy Using Cohorting Rooms on Isolation Rate of Multidrug-resistant Organisms and Antimicrobial Use Density: Focusing on Methicillin-Resistant Staphylococcus aureus and Multidrug-resistant Acinetobacter baumannii
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Bak Mi-Hui
Cho Oh-Hyun
Baek Eun-Hwa
Kim Sun-Joo
Bae In-Gyu
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Abstract
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Background: We evaluated the effectiveness of isolation measures using cohorting rooms and antimicrobial use in reducing the isolation rate of methicillin-resistant Staphylococcus aureus (MRSA) and multidrug-resistant Acinetobacter baumannii (MDR-AB).
Methods: Four cohorting rooms (16 beds) for patients colonized or infected with multidrug-resistant organisms (MDRO) have been created in the general wards of our 894-bed hospital since October 2003. We prospectively evaluated the isolation rates of MRSA and MDR-AB, and amount of antimicrobial use during the 8-year study period. We also investigated the relationship between antimicrobial use density (AUD) and the isolation rates of MRSA and MDR-AB.
Results: After creating cohorting rooms, the isolation rates of MRSA decreased from 1.56 cases per 1,000 patient-days from 2004-2005 to 1.24 from 2006-2007 (P=0.57). The isolation rates of MDR-AB also decreased from 0.72 from 2004-2005 to 0.36 from 2010-2011 (P＜0.01). The mean quarterly AUDs of glycopeptides and carbapenems were 30.17±6.80 and 19.5±7.10, respectively. There were no significant correlations between AUD values and the isolation rate of MRSA or MDR-AB.
Conclusion: This study suggests that isolation measures using cohorting rooms to help limit the transmission of MDRO infection and colonization, especially MDR-AB, in resource-limited settings is feasible and efficacious.
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KEYWORD
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Acinetobacter baumannii, Drug resistance, Methicillin-Resistant Staphylococcus aureus, Multiple, Patient Isolation
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