… expanded-spectrum β-lactams is increasing (16), the prevalence of ESBLs among nosocomial
isolates … In that survey, approximately 8,000 clinical isolates of Enterobacteriaceae were …

… isolates of Enterobacteriaceae (1 of Klebsiella pneumoniae, 8 of Escherichia coli, 1 of Proteus
mirabilis, and 2 of Proteus vulgaris) classified as extended-spectrum β-lactamase … isolates, …

… β-lactam antibiotics and have been reported to be an important cause of nosocomial …
METHODS: During 2009, 659 enterobacteria strains were isolated from different clinical specimens …

… Rates of nosocomial infections caused by extended spectrum β-lactamase-producing … to
58% of Klebsiella pneumoniae isolates are extended spectrum β-lactamase-positive, rates that …

… In the period from June 2007 to 2008, we collected 1489 samples from patients suspected
of nosocomial infection. The isolates were identified based on colony morphology and …

… We investigate the dissemination of CTX-M enzymes among clinical isolates of … and
nosocomial infections. We describe the phenotypes and genetic characteristics of these isolates. …

… isolates that produce ESBLs have come from hospitalized patients and have frequently caused
nosocomial … Recent surveys of nosocomial isolates of K. pneumoniae from Europe show …

… Extended-spectrum β-lactamases (ESBLs) are plasmid-mediated bacterial enzymes that confer
resistance to a broad range of extended-spectrum β-lactam … cloacae isolates identified in …

… Five of the 6 case-patients in the intensive care unit were infected with isolates from the
SHV-TEM group; most of the nosocomial outbreaks of ESBL-producing K. pneumoniae have …

… nosocomial isolates in general and especially among ESBL-P. It is noteworthy that two-thirds
of ESBLP isolates … resistance to non-beta-lactam antibiotics. Resistance to aminoglycosides…