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Comparison of PCR detection of mecA with methicillin and oxacillin disc susceptibility testing in coagulase-negative staphylococci

Lookup NU author(s): David Stewart, Dr Angela Galloway


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The provisional BSAC method for the detection of methicillin sensitivity in coagulase-negative staphylococci (CNS) requires incubation of isolates for 48 h and raises the problem of timely reporting of susceptibility data. The forthcoming withdrawal of methicillin raises another difficulty. We evaluated 42 clinically significant CNS blood culture isolates by PCR, methicillin and oxacillin disc testing and by using methicillin Etests. Our results suggest that, although oxacillin disc susceptibility testing is a reasonable first line step, optimal and timely detection of resistance or susceptibility may require a combination of phenotypic and genotypic methods.

Publication metadata

Author(s): Graham JC, Murphy OM, Stewart D, Kearns AM, Galloway A, Freeman R

Publication type: Article

Publication status: Published

Journal: Journal of Antimicrobial Chemotherapy

Year: 2000

Volume: 45

Issue: 1

Pages: 111-113

ISSN (print): 0305-7453

ISSN (electronic): 1460-2091

Publisher: Oxford University Press


DOI: 10.1093/jac/45.1.111

PubMed id: 10629021


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