Nationwide study of the prevalence, characteristics, and molecular epidemiology of extended-spectrum-β-lactamase-producing Enterobacteriaceae in France
被引:38
作者:
Galas, Muriel
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机构:
Ctr Hosp Versailles, Serv Hyg Hosp, Le Chesnay, FranceCtr Hosp Dourdan, Serv Biol & Hyg, F-91415 Dourdan, France
Among 10,872 isolates of Enterobacteriaceae from a nationwide study of 88 French hospitals in 2005, 169 (1.7%) expressed an extended-spectrum P-lactamase. The most prevalent species were Escherichia coli (48.5%), Enterobacter aerogenes (23.7%), and Klebsiella pneumoniae (14.8%). Molecular analysis underlined the polyclonal spread of CTX-M-expressing E. coli, primarily isolates of the CTX-M-1 subgroup.