نتایج جستجو برای: بتالاکتاماز طیف گسترده esbl
تعداد نتایج: 45866 فیلتر نتایج به سال:
OBJECTIVE We hypothesized that admission screening for extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) reduces the incidence of hospital-acquired ESBL-E clinical isolates. DESIGN Retrospective cohort study. SETTING 12 hospitals (6 screening and 6 non-screening) in Toronto, Canada. PATIENTS All adult inpatients with an ESBL-E positive culture collected from 2005-2009. ...
Background: Numerous use of Beta Lactame in treatment of bacterial infections resulted in increments of drug resistance of such bacteria. One of difficulties in treatment of hospital infections is Extended Spectrum Beta Lactamase (ESBL) among isolated clinical strains of E.coli. Since some of ESBL strains shows double reaction in drug sensitivity test at in vitro and in vivo condition, therefor...
AIM To compare the performance of a new chromogenic agar medium CHROMagar ESBL (KC-ESBL) to chromID ESBL (SB-ESBL) for the detection and presumptive identification of extended-spectrum ß-lactamase (ESBL)-producing Enterobacteriaceae directly from clinical specimens. METHODS AND RESULTS A total of 256 specimens were screened for ESBL producers. Also, the genotypes of the ESBLs and plasmid-medi...
سابقه و هدف: امروزه مصرف گسترده بتالاکتامهای وسیع الطیف موجب افزایش مقاومت به بتالاکتامها در سراسر دنیا شده است. هدف این تحقیق، بررسی و شناسایی ژنهای blatem، blashv،blaoxa و آمینوگلیکوزیدی aada در ایزولههای بالینی اشریشیاکلی به روش pcr multiplex بود. روش بررسی: در این مطالعه توصیفی، تعداد 150 نمونه مدفوع اسهالی از مراکز درمانی مختلف شهر تهران که به صورت تصادفی انتخاب شده بودند، جمعآوری و ...
OBJECTIVE To investigate the prevalence and antibiotic susceptibility pattern of extended-spectrum beta-lactamases (ESBL)-producing Enterobacteriaceae among patients in the United Arab Emirates. MATERIALS AND METHODS A total of 130 Enterobacteriaceae comprising of Escherichia coli (n = 83), Klebsiella pneumoniae (n = 45) and Klebsiella oxytoca (n = 2) was studied. Of these 130 isolates, 64 we...
We compared the susceptibility of 312 extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae isolates with that of 1,216 ESBL nonproducers. Of ESBL producers, 25% were susceptible to gentamicin, 30% to trimethoprim-sulfamethoxazole, 41% to ciprofloxacin, and 60% to piperacillin-tazobactam. ESBL nonproducers were more often susceptible to these agents. ESBL-producing Enterobacteria...
BACKGROUND Much controversy exists as to whether cephalosporin treatment is appropriate for infections caused by ESBL-producing organisms because no randomized controlled studies have been performed. OBJECTIVE Evaluate the therapeutic outcomes of ceftriaxone treatment in acute pyelonephritis caused by ESBL-producing Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis. MATERIAL AND...
BACKGROUND Rapid development and global spread of multidrug resistant Klebsiella pneumonia (K. pneumoniae) as a major cause of nosocomial infections is really remarkable. The aim of this study was to explore risk factors for health care associated blood stream infections (BSI) caused by ESBL-producing K. pneumoniae in children and analyze clinical outcomes. METHODS A retrospective review of p...
مقدمه و هدف: استفاده گسترده از آنتی بیوتیک های بتالاکتام موجب توسعه مقاومت به این گروه از آنتی بیوتیک ها در باکتری های بیماریزا از طریق تولید آنزیم بتالاکتاماز می شود. این مطالعه به جهت تعیین تولید آنزیم بتالاکتاماز از نوع ampc در باکتری اشریشیاکلی جداشده از سه بیمارستان منتخب شهر تهران انجام شده است. مواد و روش ها: تعداد 154 ایزوله بالینی اشریشیاکلی غیرتکراری از سه بیمارستان منتخب شهر تهران ...
BACKGROUND/AIMS Although multidrug resistance (MDR) among extended-spectrum β-lactamase-producing Escherichia coli (ESBL-EC) poses significant therapeutic challenges, little is known regarding the risk factors and epidemiology of community-onset MDR-ESBL-EC infections. We performed this study to investigate risk factors and the molecular epidemiology of community-onset MDR-ESBL-EC infections. ...
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