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KMID : 1101420180500020110
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Korean Journal of Clinical Laboratory Science
2018 Volume.50 No. 2 p.110 ~ p.117
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Molecular Genetic Characteristics of Methicillin-Resistant Staphylococcus aureus Isolated from Patients and Environment of General Hospital Intensive Care Unit in a Chungnam Province, Korea
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Kim Hye-Suk
Park Sung-Bae
Kim Sang-Ha
Kim Sung-Hyun
Hyun Sung-Hee
Kim Young-Kwon
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Abstract
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In the present study, mec complex typing and SCCmec typing were performed to analyze the molecular genetic characteristics of 20 methicillin-resistant Staphylococcus aureus (MRSA) strains isolated from clinical specimens and 4 strains isolated from the ICU environments of secondary medical institutions in a Chungnam province, Korea, from June to July of 2017. Among a total of 20 MRSA strains isolated from clinical specimens, 8 cases (40%) were SCCmec type II, one case (5%) was SCCmec type IVa, and 11 cases (55%) were not-typeable in SCCmec type analysis. Among 4 MRSA isolates from the ICU environment, one strain did not have the mecA gene and 3 strains were typed as SCCmec types II, III, and IVa, respectively. Data from the present study showed that the origin of MRSA isolated from the clinical specimens was different from those from the ICU environment in most cases but the origin was concordant in one case. In this case, MRSA might be transmitted by healthcare workers to the ICU environment. Further study with a large number of cases and other hospital infection-related microorganisms will be needed. This continuous follow-up study might provide useful information on infection control in medical institutions.
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KEYWORD
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ICU, mec complex type, Molecular genetic characteristics, MRSA, SCCmec type
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