Comparative evaluation of a commercial test for rapid identification of methicillin‐resistant Staphylococcus aureus

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The performance and ease of use of the recently introduced MRSA screen test (Denka Seiken Co. Ltd., Japan) for the identification of methicillin‐resistant Staphylococcus aureus was evaluated in comparison with the BBL Crystal MRSA ID System (Becton Dickinson Europe, France). A total of 109 strains of S. aureus, consisting of 57 strains of MecA‐negative S. aureus and 52 strains of MecA‐positive S. aureus, were tested. With MecA PCR as the gold standard, the MRSA screen test had 98% sensitivity and 98% specificity, whereas the BBL Crystal MRSA ID System had 98% sensitivity and 95% specificity. The simplicity of use and rapid result make the MRSA screen test a valuable tool in the clinical microbiology laboratory pending demonstration of the MecA gene that should still always be done.

Document Type: Original Article


Affiliations: Department of Medical Microbiology, The Gade Institute, Haukeland University Hospital, Bergen, Norway

Publication date: November 1, 2001

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