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Nasal Carriage of Methicillin-resistant Staphylococcus aureus in Healthcare Workers

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Author(s)
Nam Hee RyooJung Sook HaSeong Yeol RyuChun Soo KimKi Young KwonSoon Im Choi
Keimyung Author(s)
Ryoo, Nam HeeHa, Jung SookRyu, Seong YeolKwon, Ki YoungKim, Chun Soo
Department
Dept. of Laboratory Medicine (진단검사의학)
Dept. of Internal Medicine (내과학)
Dept. of Pediatrics (소아청소년학)
Infection Control Committee (감염 통제위원회)
Journal Title
Keimyung Medical Journal
Issued Date
2010
Volume
29
Issue
1
Keyword
ICUKoreaMedical staffsMRSANasal carriagePrevalence
Abstract
Objectives : Methicillin-resistant Staphylococcus aureus (MRSA) colonization is considered to be a significant risk factor for MRSA infections in patients. The anterior nares is the most frequent carriage site for S. aureus. This study was undertaken to ascertain a point prevalence of
MRSA colonization among healthcare workers working in intensive care units (ICUs) of a tertiary
teaching hospital. Materials and Methods : A total of 270 ICU staffs (145 doctors and 125 nurses) working in 6 different ICUs were included, and swabs of the anterior nares were taken from the staffs for
culture. Mannitol-salt agar, catalase and coagulase tests were used to identify S. aureus and cefoxitin disk was used to detect methicillin resistance. All procedures were followed as directed in CLSI guidelines. Results : The colonization of S. aureus was found in 58 of 270 staffs (21.5%). Thirteen of 58
isolates of S. aureus were methicillin resistant, so the prevalence of MRSA carriage among ICU healthcare workers was 4.8%: 2.1% (3/145) for doctors and 8% (10/125) for nurses. The highest rate of nasal carriage of MRSA was seen in cardiovascular care unit whereas chest surgery ICU had no prevalence of MRSA at all. Discussion : The annual prevalence of MRSA infection was about 78% in ICU of our hospital, but the nasal carriage of MRSA among healthcare workers in ICU was 4.8%. The prevalence of MRSA
colonization was rather higher in nurses than doctors which could be due to the frequent contact
and close relation with the patients. Therefore, more attention and annual follow-up surveillance
together with molecular studies will be needed to have infection-control, to minimize MRSA
prevalence and to clarify the endemic clonality if an outbreak of MRSA infection occurs within the
hospital.
Keimyung Author(s)(Kor)
류남희
하정숙
류성열
권기영
김천수
Publisher
Keimyung University School of Medicine
Citation
Nam Hee Ryoo et al. (2010). Nasal Carriage of Methicillin-resistant Staphylococcus aureus in Healthcare Workers. Keimyung Medical Journal, 29(1), 1–6.
Type
Article
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/15485
Appears in Collections:
2. Keimyung Medical Journal (계명의대 학술지) > 2010
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
1. School of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학)
1. School of Medicine (의과대학) > Dept. of Pediatrics (소아청소년학)
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