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Research

COMPARISON OF SCREENING SWAB SITES FOR METHICILLIN RESISTANT STAPHYLOCOCCUS AUREUS DETECTION IN THE ELECTIVE ORTHOPAEDIC SETTING

West of Scotland Orthopaedic Research Society (WOSORS) - 4th Annual Meeting



Abstract

In this study we aimed to identify which anatomical site was the most effective for methicillin resistant staphylococcus aureus (MRSA) detection within an elective orthopaedic setting. A retrospective review was performed of 13,373 elective orthopaedic patients from pre-assessment and admission screening swabs taken over a five year period (2005-2010). Swabs were taken from the nose, the axilla and either the groin or perineum. MRSA was identified in 136(1.02%) of patients. The nose was found to be positive for MRSA in 89.6% of cases identified. Therefore only 10.4% of the MRSA carriers (0.1% of all admissions) would not have been identified had a single nasal swab been taken. There was no additional benefit in swabbing the axilla. We believe that for the majority of orthopaedic elective admissions a single nasal swab should be sufficient. In hip arthroplasty patients it may be beneficial to additionally swab the groin given the close proximity of the surgical wound.