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Extended-spectrum beta-lactamases in Klebsiella spp and Escherichia coli obtained in a Brazilian teaching hospital: detection, prevalence and molecular typing BJM
Freitas,Ana Lúcia Peixoto de; Machado,Denise Pires; Soares,Fabiana da Silva Correa; Barth,Afonso Luís.
His study was performed to compare the methods of detection and to estimate the prevalence of extended-spectrum beta-lactamases (ESBL) among Klebsiella spp and E.coli in a university hospital in southern Brazil. We also used a molecular typing method to evaluate the genetic correlation between isolates of ESBL K.pneumoniae. Production of ESBL was investigated in 95 clinical isolates of Klebsiella spp and Escherichia coli from Hospital de Clínicas de Porto Alegre, using Kirby-Bauer zone diameter (KB), double-disk diffusion (DD), breakpoint for ceftazidime (MIC CAZ), increased zone diameter with clavulanate (CAZ/CAC) and ratio of ceftazidime MIC/ceftazidime-clavulanate MIC (MIC CAZ/CAC). Molecular typing was performed by DNA macrorestriction analysis...
Tipo: Info:eu-repo/semantics/article Palavras-chave: ESBL; Klebsiella; Resistance; Molecular typing.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822003000400012
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