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The Methicillin - Resistant Rate of Staphylococcus Aureus Isolated from the Nares and Throat of Patients Admitted to Medical Intensive Care Unit  

Kim, Hi Gu (Department of Internal Medicine, College of Medicine, Inha University)
Cho, Jae Hwa (Department of Internal Medicine, College of Medicine, Inha University)
Ahn, In Sun (Department of Internal Medicine, College of Medicine, Inha University)
Yoon, Byoung Gap (Department of Internal Medicine, College of Medicine, Inha University)
Lee, Keum Ho (Department of Internal Medicine, College of Medicine, Inha University)
Ryu, Jeong Sun (Department of Internal Medicine, College of Medicine, Inha University)
Kwak, Seung Min (Department of Internal Medicine, College of Medicine, Inha University)
Lee, Hong Lyeol (Department of Internal Medicine, College of Medicine, Inha University)
Kim, Jin Joo (Department of Clinical Pathology, College of Medicine, Inha University)
Publication Information
Tuberculosis and Respiratory Diseases / v.59, no.2, 2005 , pp. 151-156 More about this Journal
Abstract
Background : Methicillin-resistant Staphylococcus aureus (MRSA) is an important pathogen in hospital-acquired infection, and is prevalent in intensive care units (ICU). The MRSA colonization rates of the nares and throat were examined in both the ICU and general ward. This study was performed to investigate the MRSA rate and necessity for MRSA screening cultures in patients admitted to ICU. Methods : Between June and September 2004, those patients admitted to both the medical ICU and general ward participated in this study. Bacterial cultures were performed on swabs of the nares and throat taken within 24 hours of admission. Clinical data were also collected. Results : One hundred and twenty one patients and 84 patients, admitted to the medical ICU and medical general ward, respectively, were investigated. The numbers of nasal MRSA colonization in the ICU and general ward were 3 (2.5%) and 3 (3.6%), respectively. There were 2 (1.7%) cases of throat MRSA colonization in the ICU, but none in the general ward. The MRSA colonization rates of the nares and throat were no different between the ICU and general ward. There were no significant differences in the previous admission, operation history and admission route between the ICU and general ward groups. Conclusion : The MRSA colonization rates of the nares and throat were 3.3 and 3.6% in the ICU and the general ward, respectively. The MRSA screening test does not appear to be required in all patients admitted to the ICU, but further studies, including high-risk patients, are recommended.
Keywords
Methicillin-resistant Staphylococcus aureus; Nasal colonization; Throat colonization;
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