Beta Lactams
Mostrando 1-12 de 381 artigos, teses e dissertações.
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1. Extended-spectrum beta-lactamases among Klebsiella pneumoniae from Iraqi patients with community-acquired pneumonia
SUMMARY OBJECTIVE: Beta-lactams resistance is a major clinical problem in treating pneumonia. This study aimed to detect the extended-spectrum beta-lactamases (ESBL) genes in Klebsiella pneumoniae among patients with community-acquired pneumonia (CAP) in Al-Najaf City, Iraq. METHODS: A total of 511 sputum samples were obtained from all suspected patients w
Revista da Associação Médica Brasileira. Publicado em: 2022
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2. Removal of Beta-Lactams Antibiotics through Zero-Valent Copper Nanoparticles
The removal of the beta-lactam antibiotics (ceftriaxone and cefadroxil) through zero-valent copper nanoparticle (nZVC) was studied in this work. Excellent removal degrees (> 85%) were obtained for both analytes in only 20 min of reaction. Studies were performed in both oxic and anoxic conditions, and in the presence of t-butyl alcohol (TBA), an inhibitor of
J. Braz. Chem. Soc.. Publicado em: 2018-08
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3. First report of TEM-104-, SHV-99-, SHV-108-, and SHV-110-producing Klebsiella pneumoniae from Iran
Abstract: INTRODUCTION: Extended-spectrum beta-lactamases (ESBLs) are bacterial enzymes capable of hydrolyzing beta-lactams. The aim of this study was to describe the prevalence of TEM- and SHV-type ESBL-producing Klebsiella pneumoniae strains in Zahedan, Southeast Iran. METHODS: A total of 170 non-repetitive K. pneumoniae strains were collected from patie
Rev. Soc. Bras. Med. Trop.. Publicado em: 2016-08
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4. Multidrug resistance and ESBL-producing Salmonella spp. isolated from broiler processing plants
Abstract The aim of this study was to investigate the occurrence of multidrug-resistant, extended spectrum beta-lactamase (ESBL) producing Salmonella spp. isolated from conveyor belts of broiler cutting rooms in Brazilian broiler processing plants. Ninety-eight strains of Salmonella spp. were analyzed. Multidrug resistance was determined by the disk diffusio
Braz. J. Microbiol.. Publicado em: 2016-03
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5. Drug–laboratory interaction between beta-lactam antibiotics and the galactomannan antigen test used to detect mould infections
Several studies have demonstrated that piperacillin/tazobactam produces a false-positive result for the galactomannan antigen test. However, the most recent literature has demonstrated that this interaction is no longer a concern. There is little information regarding the drug–laboratory interaction with the generics of piperacillin/tazobactam or other bro
Braz J Infect Dis. Publicado em: 2014-09
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6. Impairments of mecA gene detection in bovine Staphylococcus spp.
Staphylococcus aureus antimicrobial resistance, especially to beta-lactams, favors treatment failures and its persistence in herd environment. This work aimed to develop a more specific primer for mecA gene detection based on the comparison of the conserved regions from distinct host origins and also investigated the presence of homologue mecA LGA251 in bovi
Braz. J. Microbiol.. Publicado em: 2014-09
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7. Pharmacodynamic profiling of commonly prescribed antimicrobial drugs against Escherichia coli isolates from urinary tract
Since antimicrobial resistance among uropathogens against current first line agents has affected the management of severe urinary tract infection, we determined the likelihood that antibiotic regimens achieve bactericidal pharmacodynamic exposures using Monte Carlo simulation for five antimicrobials (ciprofloxacin, ceftriaxone, piperacillin/tazobactam, ertap
Braz J Infect Dis. Publicado em: 2014-09
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8. Detection of multi drug resistant bacteria in major hospitals in Kano, North-West, Nigeria
Two major hospitals in Kano, North West Nigeria have recorded increasing resistance of clinical pathogens to broad spectrum β lactams, mediated by extended spectrum β- lactamase (ESβL) and non ESBLs. A study was therefore undertaken to determine the occurrence and prevalence of plasmid and chromosomal mediated AmpC βL and carbapenemase in addition to alr
Braz. J. Microbiol.. Publicado em: 2014-09
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9. Antibiotic resistance in lactic acid bacteria isolated from some pharmaceutical and dairy products
A total of 244 lactic acid bacteria (LAB) strains were isolated from 180 dairy and pharmaceutical products that were collected from different areas in Minia governorate, Egypt. LAB were identified phenotypically on basis of morphological, physiological and biochemical characteristics. Lactobacillus isolates were further confirmed using PCR-based assay. By co
Braz. J. Microbiol.. Publicado em: 2014
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10. First occurrence of blaOXA-58 in Acinetobacter baumannii isolated from a clinical sample in Southern Brazil
This is the first report of an Acinetobacter baumannii from clinical origin carrying the blaOXA-58 gene in Brazil. The isolate included in this study was from a patient during an outbreak in Porto Alegre, RS, Southern Brazil, in 2007. It was resistant to most of the beta-lactams tested, it has also the blaOXA-65 gene and the ISAba1 sequence located upstream
Brazilian Journal of Microbiology. Publicado em: 2012-03
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11. Caracterização de cepas de Pseudomonas spp isoladas de efluente hospitalar não tratado : resistência a beta-lactâmicos e presença de integrons / Characterization of Pseudomonas spp strains isolated from untreated hospital effluents: beta-lactams resistance and presence of integrons
O gênero Pseudomonas, amplamente distribuído no ambiente, está frequentemente associado a características de resistência aos antimicrobianos beta-lactâmicos e presença de integrons. Os objetivos do presente trabalho foram verificar o perfil de susceptibilidade antimicrobiana dos isolados de Pseudomonas spp obtidos a partir do efluente hospitalar não
Publicado em: 2011
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12. Avaliação do perfil de resistência a antimicrobianos de bactérias gram-negativas isoladas nas águas do Arroio Dilúvio / Evaluation of antimicrobial resistance the profile of gram-negative bacteria isolated from dilúvio gully waters
The Dilúvio is part of an important watershed in the city of Porto Alegre, RS, having 17.605m of extension rising in the city of Viamão and flowing into Guaíba Lake receiving all kind of waste resulting from pluvial, domestic and hospital wastewater. Thus, the gully receives a diverse microbial population, some of these microorganisms may exhibit resistan
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011