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Prospective Comparison of a New Chromogenic Medium, MRSA Select , to CHROMagar MRSA and Mannitol-Salt Medium Supplemented with Oxacillin or Cefoxitin for Detection of Methicillin-Resistant Staphylococcus aureus

2006; American Society for Microbiology; Volume: 44; Issue: 2 Linguagem: Inglês

10.1128/jcm.44.2.637-639.2006

1098-660X

Luba Stoakes, Romina C. Reyes, Janis Daniel, Gwen Lennox, Michael A. John, Robert Lannigan, Zafar Hussain,

Biosensors and Analytical Detection

ABSTRACT MRSA Select agar was compared to CHROMagar, mannitol-salt agar with oxacillin, and mannitol-salt agar with cefoxitin (MSA-CFOX) for the isolation of methicillin-resistant Staphylococcus aureus (MRSA). The sensitivities and specificities were 97.3% and 99.8%, 82.9% and 99.1%, 80.2% and 79%, and 99.1% and 84.8%, respectively. MSA-CFOX and MRSA Select had a high sensitivity. MRSA Select , however, was more specific and proved to be a more reliable and rapid medium for the detection of MRSA.