A study on the prevalence of MRSA colonization in nazal cavities at Miyagi National Hospital.

概要

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The prevalence of Methicillin-resistant staphylococcus aureus (MRSA) colonization in nasal cavities was studied among 63 medical staff members (G-MS), 35 inpatients in the Department of Internal Medicine and 50 outpatients (G-OP) at Miyagi National Hospital. The number of G-MS who were found to be colonized with staphylococcus aureus (SA) was 19 (30.1%), with MRSA being detected in 6 of them. Excluding 5 inpatients infected with MRSA, 9 (30%) out of 30 inpatients (G-IM) exhibited SA colonization, but no case of MRSA colonization was identified. Among G-OP, 6 cases (12%) exhibited SA colonization and 2 cases (4%) showed MRSA colonization. The relatively high rate of MRSA colonization among G-MS in comparison to the other 2 groups suggests MRSA becoming prevalent among medical staff members, indicating the need for close watch over this group as a source of hospital infection. The 2 cases of MRSA colonization detected among G-OP had earlier hospitalization and this group may increase in the future. It is important that observation of MRSA colonization in nasal cavities be maintained while also watching out for the dangers of visitors carrying MRSA into hospital as well as community infection and retirement home infection.
一般社団法人国立医療学会の論文