Beta-lactam/beta-lactamase
Risk factors for mortality of patients with ceftriaxone resistant E coli bacteremia receiving carbapenem versus beta lactam/beta lactamase inhibitor therapy
... Objective: Extended spectrum β-lactamases (ESBL) producing Enterobacteriaceae predominantly E. coli and K. pneu- moniae bacteremia have limited treatment options and high mortality. The objective was to determine the ...
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Relative substrate affinity index values: a method for identification of beta lactamase enzymes and prediction of successful beta lactam therapy
... For ease of comparison of the affinity values of a specific beta-lactamase against different beta-lactam antibiotics, I propose the term relative substrate affinity index RSAI, which is [r] ...
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Haemophilus influenzae with Non Beta Lactamase Mediated Beta Lactam Resistance: Easy To Find but Hard To Categorize
... (4/49) ME with M.I.C.E. and 6.1% (3/49) with Etest (21). In con- trast, and consistent with the observations in the present study, Barry et al. tested 143 bla-negative H. influenzae isolates and found a higher ampicillin ...
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<p>Clinical Efficacy and Cost-Effectiveness of β-Lactam/β-Lactamase Inhibitor Combinations and Carbapenems in Liver Cirrhosis Patients with Gram-Negative Bacteria Bloodstream Infection</p>
... According to the European Association for the Study of the Liver and other recommendations based on experts ’ opinion, 11–13 β -lactam/ β -lactamase inhibitor combinations (BLBLIs) and carbapenems (CARs) ...
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Hospital outbreak of Klebsiella pneumoniae resistant to broad spectrum cephalosporins and beta lactam beta lactamase inhibitor combinations by hyperproduction of SHV 5 beta lactamase
... An aminoglycoside- and ceftazidime-resistant strain of Klebsiella pneumoniae K2 producing the extended- spectrum b -lactamase SHV-5 infected or colonized 14 pediatric patients at Guy’s Hospital. The patients were ...
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Impact of the New Delhi metallo-beta-lactamase on beta-lactam antibiotics
... other beta-lactamases, preserving ceftazidime’s activity against the clinical ...NDM beta-lactamase is not large enough in the context of conventional exposure to ceftazidime as used in the clini- ...
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Prevalance of extended spectrum beta lactamase producing uropathogenic eschereria coli and antimicrobial susceptibility pattern in a tertiarycare hospital in North India
... of beta- lactam/beta-lactamase inhibitors for empirical treatment or deescalating strategy in ESBL ...of beta lactams with beta-lactamase inhibitors like piperacillin/ ...
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Genetic markers associated with resistance to beta-lactam and quinolone antimicrobials in non-typhoidal Salmonella isolates from humans and animals in central Ethiopia
... to beta-lactams (n = 43) were tested for genes encoding for beta-lactamase enzymes, and those resistant to quinolones (n = 29) for mutations in the quinolone resistance determining region (QRDR) as ...
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Dissemination of SHV 12 and Characterization of New AmpC Type Beta Lactamase Genes among Clinical Isolates of Enterobacter Species in Korea
... The beta-lactamases (EC ...of beta-lactamases have been classified into classes A, B, C, and D according to their amino acid homologies ...AmpC beta-lactamases, mostly conferring resistance to many ...
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Bacteraemic urinary tract infections in a tertiary hospital in Japan: the epidemiology of community acquired infections and the role of non carbapenem therapy
... extended-spectrum beta-lactamase-producing Enterobacteriaceae ...non-carbapenem beta-lactam (non-CBPBL)] for bacteraemic ...extended-spectrum beta-lactamase-producing ...
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Diagnostic Validity of Cica Beta Test 1 for the Detection of Extended Spectrum Beta Lactamase (ESBL) Producing Gram Negative Bacteria by Comparing with Phenotypic Method
... This is a challenge for the laboratory to detect ESBL-containing Gram-negative bacilli because they can appear susceptible in vitro to certain beta-lactam anti- microbial agents yet result in clinical ...
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Physical Inactivity: A Social Burden
... that beta lactamase producers are highly resistant to non-beta lactam groups of antibiotic like aminoglycosides, quinolones and ...non-beta lactam group of antibiotics since the ...
5
The Frequency of Extended Spectrum Beta Lactamase (ESBL) in Escherichia coli and Klebsiella pneumoniae: A Report from Mashhad, Iran
... of beta- lactam antibiotics such as penicillins, cephalosporins, monobactams and carbapenems for treatment of patients infected with bacterial infections (2, ...3). Beta-lactamases according to the ...
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Detection of P aeruginosa harboring bla CTX M 2, bla GES 1 and bla GES 5,bla IMP 1 and bla SPM 1causing infections in Brazilian tertiary care hospital
... to beta-lactam drugs are one of the most challenging targets for antimicrobial therapy, leading to substantial increase in mortality rates in hospitals ...extended-spectrum beta-lactamases (ESBLs) ...
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<p>Multilocus sequence typing and <em>bla</em><sub>ESBL</sub> characterization of extended-spectrum beta-lactamase-producing <em>Escherichia coli</em> isolated from healthy humans and swine in Northern Thailand</p>
... In this study, the majority of the isolated ESBL-E. coli comprised multidrug-resistant strains; these bacteria may serve as an unintentional source of dif fi cult-to-treat endogen- ous infections due to their ...
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An Improved Extended Spectrum β Lactamase Detection Test Utilizing Aztreonam plus Clavulanate
... Isolates. The isolates comprised 100 Enterobacteriaceae and Acinetobacter baumannii and Pseudomo- nas aeruginosa isolates that were previously characterized by molecular, phenotypic, and chemical tests for the types of ...
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Detection of Resistance to Beta Lactamase Inhibitors in Strains with CTX M Beta Lactamases: a Multicenter External Proficiency Study Using a Well Defined Collection of Escherichia coli Strains
... ants with IR-CTX-M (carrying the S130G mutation) or CM- CTX-M phenotypes (carrying the S237G or K234R mutation), like other -lactamase types, such as IRTs (9), or inhibitor-resis- tant (IR)-SHV (21, 22). However, ...
8
A Correlation of the Drug Activities (Anti-bacterial) in the Structure of Some Hetero Cyclic Compound Containing Benzimidazole and Beta-lactam Moiety in Terms of the Density Functional Descriptors – A QSAR and QSPR Study
... 7. Desai K G and Desai K R, Green route for the heterocyclization of 2- mercaptobenzimidazole into beta-lactum segment derivatives containing -CONH- bridge with benzimidazole: Screening in vitro antimicrobial ...
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ACTION OF BETA LACTAMASE ON E COLI
... Among the β-lactamase, the TEM-1allele is the most common β-lactamase protect bacteria against β-lactamase antibiotics, which include penicillin and its derivatives. TEM-1 was the first ...
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Evaluation of the βLacta Test, a Rapid Test Detecting Resistance to Third Generation Cephalosporins in Clinical Strains of Enterobacteriaceae
... of beta-lactamases. Beta-lactamases conferring resistance to 3GC were detected by molecular methods for (i) the strains resistant to 3GC, (ii) the strains with discrepant results between BLT and AST, and ...
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