Extended-spectrum b-lactamases (ESBLs) are enzymes that confer resistance to penicillins,
narrowand extended-spectrum cephalosporins, monobactams and related oxyimino-b …

One hundred extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae were
recovered from the intensive care unit and the urology ward of the University Hospital of …

BACKGROUND: The prevalence of extended-spectrum β-lactamases (ESBLs) varies
between countries and institutions. We studied the prevalence of ESBL among clinical …

Background: Multidrug resistance and production of extended spectrum b-lactamases
(ESBLs) by enteric gramnegative rods in hospitals and community continue to be worsened …

Objective: To investigate the prevalence and antibiotic susceptibility pattern of extended-
spectrum β-lactamases (ESBL)-producing Enterobacteriaecae among patients in the United …

Background: To assess the prevalence of extended spectrum beta-lactamase (ESBL)
producing Escherichia coli and Klebsiella strains in nosocomial and community-acquired …

Objectives: The aim of this prospective study was to assess the extent of dissemination of
extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae at the hospital level …

Extended-spectrum b-lactamases (ESBL) confer resistance to aztreonam, cefotaxime,
ceftazidime and related oxyimino-blactams, but are unable to hydrolyze cephamycins or …

Background Resistance to third generation cephalosporins due to acquisition and
expression of extended spectrum β-lactamase (ESBL) enzymes among Gram-negative …

Background The emergence of extended-spectrum beta-lactamase (ESBL)-producing
isolates has important clinical and therapeutic implications. High prevalence of ESBL …