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Título : | Molecular epidemiology of vancomycin-resistant Enterococcus faecium in Argentina | Autor : | Corso, Alejandra Gagetti, Paula Rodríguez, Marisa M. Melano, Roberto Ceriana, Paola G. Faccone, Diego Galas, Marcelo F. The VRE Argentinean Collaborative Group |
Palabras clave : | Enterococcus faecium;Epidemiología Molecular;Resistencia a la Vancomicina;Argentina | Fecha de publicación : | 2007 | Journal: | International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases | Resumen : | OBJECTIVE To characterize the mechanism of glycopeptide resistance and to determine the genetic relatedness among strains by pulsed-field gel electrophoresis (PFGE) in vancomycin-resistant Enterococcus faecium from Argentina. MATERIALS AND METHODS A total of 189 vancomycin-resistant single-patient isolates of Enterococcus faecium recovered between January 1997 and December 2000 from 30 hospitals in Argentina were studied. Minimum inhibitory concentrations were determined by the agar dilution method and van genes were detected by PCR. PFGE was used for molecular typing. RESULTS All isolates except three (vanB) were of genotype vanA. For 189 vancomycin-resistant Enterococcus faecium, SmaI-PFGE indicated 35 clonal types. Most of the isolates (56%) belonged to the same clonal type 1, which was present in 19 hospitals and dominant in 17. CONCLUSIONS The emergence of vancomycin-resistant Enterococcus faecium in Argentina seems to be related to the intra- and inter-hospital dissemination of an epidemic clone carrying the vanA element. |
Descripción : | Fil: Corso, Alejandra. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio Antimicrobianos; Argentina. Fil: Gagetti, Paula. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio Antimicrobianos; Argentina. Fil: Rodríguez, Marisa M. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio Antimicrobianos; Argentina. Fil: Melano, Roberto. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio Antimicrobianos; Argentina. Fil: Ceriana, Paola G. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio Antimicrobianos; Argentina. Fil: Faccone, Diego. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio Antimicrobianos; Argentina. Fil: Galas, Marcelo F. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio Antimicrobianos; Argentina. Fil: The VRE Argentinean Collaborative Group; Argentina. |
URI : | http://sgc.anlis.gob.ar/handle/123456789/424 http://download.journals.elsevierhealth.com/pdfs/journals/1201-9712/PIIS1201971206000476.pdf |
ISSN : | 1201-9712 | Derechos: | 2008-01-31 Open Access Creative Commons Attribution 4.0 International License |
Aparece en las colecciones: | snrd Publicaciones INEI |
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InternationalJournalofInfectiousDiseases_2007_11_1_p69-p75.pdf | 1.87 MB | Adobe PDF | Visualizar/Abrir |
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