Rapid Detection of Methicillin-Resistant Staphylococcus aureus and Methicillin-Susceptible S. aureus Directly from Positive Blood Cultures by Use of the BD Max StaphSR Assay | Zendy

Justin Ellem | Zendy; Tom Olma | Zendy; Matthew O’Sullivan | Zendy

Open Access

Rapid Detection of Methicillin-Resistant Staphylococcus aureus and Methicillin-Susceptible S. aureus Directly from Positive Blood Cultures by Use of the BD Max StaphSR Assay

Author(s) -

Justin Ellem,

Tom Olma,

Matthew O’Sullivan

Publication year - 2015

Publication title -

journal of clinical microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.349

H-Index - 255

eISSN - 1070-633X

pISSN - 0095-1137

DOI - 10.1128/jcm.02155-15

Subject(s) - staphylococcus aureus , microbiology and biotechnology , methicillin resistant staphylococcus aureus , micrococcaceae , staphylococcal infections , meticillin , blood culture , medicine , biology , bacteria , antibiotics , antibacterial agent , genetics

The BD Max StaphSR assay is an automated qualitativein vitro diagnostic test for the direct detection and differentiation of methicillin-susceptibleStaphylococcus aureus (MSSA) and methicillin-resistantS. aureus (MRSA). A total of 460 specimens were tested, and the results were compared with standard culture-based identification. MRSA was detected in 48 samples (sensitivity of 100%; positive predictive value [PPV] of 100%). MSSA was detected in 112 samples (sensitivity of 99.1%; PPV of 100%), and 299 samples containing coagulase-negative staphylococcus and nonstaphylococcal species were negative by the BD Max StaphSR assay (specificity of 100%; negative predictive value [NPV] of 99.7 to 100%).

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