Susceptibility profile of Brazilian Rhodococcus equi isolates against azithromycin, clarithromycin and erythromycin

Rhodococcus equi infection treatment is usually a macrolide (azithromycin - AZM, clarithromycin - CLR and erythromycin - ERY) and rifampicin combination. However, resistance cases have been reported, especially for ERY. In view of the need of a study about Brazilian isolates susceptibility profile, this study aimed to characterize the minimum inhibitory concentration (MIC) of the macrolides - AZM, CLR and ERY - against 44 R. equi isolates. It was found all isolates CLR and AZM sensitive; however, for ERY, 27% (12/44) were classified as intermediate sensitivity. R. equi Brazilian isolates used here showed a large susceptibility profile, except against ERY, for which it was observed some resistance evidence. In order to avoid failures in the equine rhodococcosis therapy it was highlighted the importance of microbiological culture and antimicrobial susceptibility testing in vitro before beginning treatment

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Bibliographic Details
Main Authors: Gressler,Letícia Trevisan, Silveira,Bibiana Petri da, Schwab,Marcelo Luís, Vargas,Agueda Castagna de, Pötter,Luciana, Botton,Sônia de Avila
Format: Digital revista
Language:English
Published: Universidade Federal de Santa Maria 2015
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000400680
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