Ann Lab Med 2017; 37(4): 320-322  https://doi.org/10.3343/alm.2017.37.4.320
Rapid Detection of Staphylococcus aureus and Methicillin-Resistant S. aureus in Atopic Dermatitis by Using the BD Max StaphSR Assay
Mi-Kyung Lee, M.D.1, Kui Young Park, M.D.2, Taewon Jin, Ph.D.2, Ju Hee Kim, B.S.2, and Seong Jun Seo, M.D.2
Departments of Laboratory Medicine1 and Dermatology2, Chung-Ang University College of Medicine, Seoul, Korea
Correspondence to: Seong Jun Seo
Department of Dermatology, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul 06973, Korea
Tel: +82-2-6299-1538
Fax: +82-2-823-1049
E-mail: drseo@cau.ac.kr
Received: December 3, 2016; Revised: December 26, 2016; Accepted: March 6, 2017; Published online: July 1, 2017.
© The Korean Society for Laboratory Medicine. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Eczematous lesions of atopic dermatitis (AD) patients are known to be a source of Staphylococcus aureus (SA) transmission and might be a reservoir for community-associated methicillin-resistant SA (MRSA). The BD Max StaphSR (BD-SR) is a fully automated, multiplex real-time PCR assay for the direct detection and differentiation of SA and MRSA from nasal swab samples. We evaluated the detection rates of SA and MRSA from skin lesions of outpatients with AD using the BD-SR assay, and determined the usefulness of the BD-SR assay. A total of 244 skin swab samples (skin lesions of 213 outpatients with AD and normal skin of 31 healthy controls) were tested directly by using the BD-SR assay. Of the 213 samples from patients with AD, 69 (32.4%) were positive for SA, 6 (8.7%) of which were positive for MRSA. Only 1 (3.2%) of 31 samples from healthy controls was positive for SA. The BD-SR assay is effective for the rapid detection of SA and MRSA from skin swab samples, which can provide important information for managing patients with AD and preventing the spread of MRSA.
Keywords: Atopic dermatitis, Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus, BD Max StaphSR


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