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Acta bioquímica clínica latinoamericana

Print version ISSN 0325-2957


RODRIGUEZ, Carlos Hernan et al. Enterococcus spp.: Antimicrobial resistance in hospital- acquired infections. Acta bioquím. clín. latinoam. [online]. 2013, vol.47, n.1, pp.155-160. ISSN 0325-2957.

One thousand eight hundred and seventy-three Enterococcus spp. isolates belonging to patients undergoing hospital-acquired infections at the University Hospital of Buenos Aires city were studied between the years 1996 and 2010. A total of 64.2% and 30.4% of the isolates were identified as E. faecalis y E. faecium respectively. The infections caused by Enterococcus spp. represented from 8% to 10% of the total number of the nosocomial infections in the period studied. The E. faecium prevalence increased from 1.5% in 1996 to 4% in 2010. The first vancomycin-resistant Enterococcus faecium was detected in the year 1998 and in the year 2004 this resistance was detected in E. faecalis as well. At present, more than 70% of the E. faecium isolates show vancomycin resistance; on the contrary, in the case of E. faecalis, this resistance is unusual. Resistance to linezolid or to tigecycline has not been detected in Enterococcus spp. so far.

Keywords : Enterococcus; Vancomycin resistance; E. faecium; E. faecalis; Hospital-acquired infections.

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