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Memórias do Instituto Oswaldo Cruz

versão impressa ISSN 0074-0276

Resumo

BAIO, Paulo Victor Pereira et al. Clonal multidrug-resistant Corynebacterium striatum within a nosocomial environment, Rio de Janeiro, Brazil. Mem. Inst. Oswaldo Cruz [online]. 2013, vol.108, n.1, pp.23-29. ISSN 0074-0276.  http://dx.doi.org/10.1590/S0074-02762013000100004.

Corynebacterium striatum is a potentially pathogenic microorganism with the ability to produce outbreaks of nosocomial infections. Here, we document a nosocomial outbreak caused by multidrug-resistant (MDR) C. striatum in Rio de Janeiro, Brazil. C. striatum identification was confirmed by 16S rRNA and rpoB gene sequencing. Fifteen C. striatum strains were isolated from adults (half of whom were 50 years of age and older). C. striatum was mostly isolated in pure culture from tracheal aspirates of patients undergoing endotracheal intubation procedures. The analysis by pulsed-field gel electrophoresis (PFGE) indicated the presence of four PFGE profiles, including two related clones of MDR strains (PFGE I and II). The data demonstrated the predominance of PFGE type I, comprising 11 MDR isolates that were mostly isolated from intensive care units and surgical wards. A potential causal link between death and MDR C. striatum (PFGE types I and II) infection was observed in five cases.

Palavras-chave : Corynebacterium striatum; nosocomial outbreak; PFGE; multidrug-resistant clones.

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