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Evaluation of different methods for detecting methicillin resistance in Staphylococcus aureus isolates in a university hospital located in the Northeast of Brazil

Canindé de Sousa Júnior, Francisco; da Silva Néri, Gildelane; Karine Silva, Ana; Priscila Rodrigues Câmara de Araújo, Bibiana; Júlia de Paiva Dourado Guerra, Myrian; José de Britto Costa Fernandes, Maria; Pipolo Milan, Eveline; Celeste Nunes de Melo, Maria.
Braz. J. Microbiol.; 41(2)2010.
Artigo em Inglês | VETINDEX-Express | ID: vti-444519

Resumo

Many methods have been described for the detection of methicillin-resistant Staphylococcus aureus (MRSA), but the heterogeneous expression of methicillin resistance affects the reliability of these methods. The aim of the present study was to evaluate some methods for detecting methicillin resistance in Staphylococcus aureus isolates in a university hospital located in the Northeast of Brazil. Among the isolates, 15 were methicillin-susceptible and 45 were methicillin-resistant, including low-level heterogeneous resistance strains. Both the 30 µg-cefoxitin disk and PBP2a test had 100% sensibility/specificity and appear to be good options for the detection of MRSA in the clinical laboratory.
Biblioteca responsável: BR68.1