Use of a primary isolation medium for recovery of methicillin-resistant Staphylococcus aureus.

AUTOR(ES)

Van Enk, R A

RESUMO

Clinical specimens frequently contain methicillin-resistant Staphylococcus aureus (MRSA) isolates in low numbers or mixed with methicillin-susceptible staphylococci, which can obscure MRSA on nonselective media. By using an oxacillin-containing mannitol-salt-based selective and differential medium on 936 respiratory specimens, we recovered 45% more MRSA isolates (29 versus 20) than on nonselective media alone.

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