Antibiotic impregnated tablets for screening ESBL and AmpC beta lactamases

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Antibiotic impregnated tablets for screening ESBL and AmpC beta lactamases

Antibiotic resistance is a growing threat. Fifty non repetitive multi drug resistant gram negative bacterial isolates were screened for ESBL, AmpC, ESBL-AmpC co-production using antibiotic tablets. Of these 56% were Escherichia coli, 16% were Klebsiella spp., 39.6% produced ESBLs, 17.2% AmpC and 13.8% showed co-production. Antibiotic tablets sensitivity for ESBL detection was 93.9% compared to ...

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The Association Between Genetic Variants in Extended Spectrum Beta-Lactamases and AmpC-producing Gram-Negative Bacilli and Antibiotic Resistance

Background and Objective: A large group of genes associated with extended-spectrum beta-lactamases (ESBL) and AmpC expression is involved in inducing antibiotic resistance in various bacteria. Identifying these genes and assessing their harboring will be crucial in determining the pattern of antibiotic resistance. This study aimed to characterize genetic variants in extended-spectrum beta-lacta...

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Controversies about extended-spectrum and AmpC beta-lactamases.

Many clinical laboratories have problems detecting extended-spectrum beta-lactamases (ESBLs) and plasmid-mediated AmpC beta-lactamases. Confusion exists about the importance of these resistance mechanisms, optimal test methods, and appropriate reporting conventions. Failure to detect these enzymes has contributed to their uncontrolled spread and sometimes to therapeutic failures. Although Natio...

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Prevalence of ESBL, AmpC β-lactamases and MRSA among uropathogens and its antibiogram

Urinary tract infections (UTIs) are one of the most common bacterial infections in humans. Current knowledge on antimicrobial susceptibility pattern is essential for appropriate therapy. Therefore the aim of the present study was to determine the distribution and antibiotic susceptibility pattern of bacterial strains, with special reference to ESBL, AmpC β-lactamase and MRSA production. A total...

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Occurrence of extended-spectrum and AmpC beta-lactamases in bloodstream isolates of Klebsiella pneumoniae: isolates harbor plasmid-mediated FOX-5 and ACT-1 AmpC beta-lactamases.

We tested 190 Klebsiella pneumoniae bloodstream isolates recovered from 189 patients in 30 U.S. hospitals in 23 states to determine the occurrence of extended-spectrum beta-lactamase (ESBL) and AmpC beta-lactamase producers. Based on growth inhibition by clavulanic acid by disk and MIC test methods, 18 (9.5%) of the isolates produced ESBLs. Although the disk diffusion method with standard break...

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ژورنال

عنوان ژورنال: IOSR Journal of Pharmacy (IOSRPHR)

سال: 2012

ISSN: 2319-4219,2250-3013

DOI: 10.9790/3013-0220207209