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Extended spectrum beta-lactamases

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https://www.readbyqxmd.com/read/28929546/impact-of-selective-media-for-detecting-fluoroquinolone-insusceptible-extended-spectrum-beta-lactamase-producing-escherichia-coli-before-transrectal-prostate-biopsy
#1
Takuya Sadahira, Koichiro Wada, Motoo Araki, Ayano Ishii, Toyohiko Watanabe, Yoshitsugu Nasu, Masaya Tsugawa, Tadasu Takenaka, Yasutomo Nasu, Hiromi Kumon
OBJECTIVES: To investigate the prevalence of fluoroquinolone-insusceptible and/or extended-spectrum beta-lactamase-producing Escherichia coli colonizing in the male rectum before transrectal prostate biopsy. METHODS: We carried out a prospective cohort study of men undergoing transrectal prostate biopsy. CHROMagar Orientation originally supplemented with levofloxacin and CHROMagar Orientation/extended-spectrum beta-lactamase were used for detecting fluoroquinolone-insusceptible and extended-spectrum beta-lactamase-producing Escherichia coli...
September 20, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28929047/determining-frequency-of-genes-of-ctx-m-and-ctx-m-15-of-producing-enterobacteriaceae-of-isolated-extended-spectrum-beta-lactamases-from-clinical-samples-of-patients-referred-to-training-hospitals-of-medical-sciences-university-khorramabad-iran
#2
Seyed Mojtaba Mosavian, Azam Rezvani-Rad
OBJECTIVE: The purpose of conducting this research was evaluation of the frequency of extended-spectrum beta-lactamases (ESBLs) in separated Enterobacteriaceae isolates from clinical samples in Khorramabad city and determination of their antimicrobial resistance pattern. MATERIALS AND METHODS: In this study, 240 isolates belonging to Enterobacteriaceae family were collected in time duration between March and June in 2014. The isolates were identified by standard biochemical tests...
April 2017: International Journal of Pharmaceutical Investigation
https://www.readbyqxmd.com/read/28927480/cessation-of-contact-precautions-for-extended-spectrum-beta-lactamase-esbl-producing-escherichia-coli-seems-to-be-safe-in-a-nonepidemic-setting
#3
Gökhan Metan, Baki Can Metin, Zeynep Baştuğ, İlknur Tekin, Hanife Aytaç, Burcu Çınar, Hümeyra Zengin, Serhat Ünal
No abstract text is available yet for this article.
September 20, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28927454/extended-spectrum-beta-lactamase-and-metallo-beta-lactamase-production-among-escherichia-coli-and-klebsiella-pneumoniae-isolated-from-different-clinical-samples-in-a-tertiary-care-hospital-in-kathmandu-nepal
#4
Krishus Nepal, Narayan Dutt Pant, Bibhusan Neupane, Ankit Belbase, Rikesh Baidhya, Ram Krishna Shrestha, Binod Lekhak, Dwij Raj Bhatta, Bharat Jha
BACKGROUND: Extended spectrum beta-lactamase (ESBL) and metallo beta-lactamase (MBL) production in Klebsiella pneumoniae and Escherichia coli are the commonest modes of drug resistance among these commonly isolated bacteria from clinical specimens. So the main purpose of our study was to determine the burden of ESBL and MBL production in E. coli and K. pneumoniae isolated from clinical samples. Further, the antimicrobial susceptibility patterns of E. coli and K. pneumoniae were also determined...
September 19, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28923621/extended-spectrum-beta-lactamase-producing-enterobacteriaceae-related-urinary-tract-infection-in-kidney-transplant-recipients-risk-factors-treatment-and-long-term-outcome
#5
S Brakemeier, S I Taxeidi, B Zukunft, D Schmidt, J Gaedeke, M Dürr, S Hansen, K Budde
BACKGROUND: Prevalence of extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E) has risen in kidney transplant (KT) patients, with no long-term data so far on graft function or survival. METHODS: KT patients with ESBL-E-positive urine culture were retrospectively analyzed regarding initial adequate antimicrobial therapy, recurrent infection, transplant function, and survival compared with an ESBL-E-negative KT control cohort. RESULTS: ESBL-E-positive KT patients (n = 93) were older (55...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28919689/beta-lactamase-antimicrobial-resistance-in-klebsiella-and-enterobacter-species-isolated-from-healthy-and-diarrheic-dogs-in-andhra-pradesh-india
#6
N Mohammad Sharif, B Sreedevi, R K Chaitanya, D Sreenivasulu
AIM: The aim of this study was to characterize beta-lactamase antimicrobial resistance in Klebsiella and Enterobacter species isolated from healthy and diarrheic dogs in Andhra Pradesh. MATERIALS AND METHODS: A total of 136 rectal swabs were collected from healthy (92) and diarrheic (44) dogs, bacteriological cultured for Klebsiella and Enterobacter growth and screened for beta-lactamase antimicrobial resistance phenotypically by disc diffusion method and genotypically by polymerase chain reaction targeting blaTEM, blaSHV, blaOXA, blaCTX-M Group 1, 2, blaAmpC, blaACC, and blaMOX genes...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28906365/the-antibiotic-susceptibility-patterns-of-uropathogens-among-children-with-urinary-tract-infection-in-shiraz
#7
Gholamreza Pouladfar, Mitra Basiratnia, Mojtaba Anvarinejad, Pejman Abbasi, Fatemeh Amirmoezi, Samaneh Zare
Urinary tract infection (UTI) is one of the most common bacterial infections in pediatrics. Delay in diagnosis and treatment can cause significant morbidity. The physicians knowledge regarding the symptoms, microorganisms that caused UTI, and effective antibiotics in a geographical area can help them to select the appropriate antibiotics. This study was performed to determine the prevalence of bacteria that cause UTI and their susceptibility to common antibiotics as well as the common symptoms and associated factors in children of Shiraz, Southern Iran...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28904920/antimicrobial-susceptibility-pattern-of-extended-spectrum-beta-lactamases-producing-organisms-isolated-in-a-tertiary-care-hospital-bangladesh
#8
Mohammad Jobayer, Zeenat Afroz, Sultana Shazeda Nahar, Ayesha Begum, Shahin Ara Begum, S M Shamsuzzaman
CONTEXT: Infection caused by extended-spectrum beta-lactamases (ESBL) producing organism is a major problem regarding antibiotic resistance. AIMS: The aim of this study was to find out the antibiogram of ESBL producing organisms isolated from various samples. SETTINGS AND DESIGN: This cross-sectional study was carried out in the Department of Microbiology of a Tertiary Care Hospital, Dhaka, Bangladesh from January to June 2014. SUBJECTS AND METHODS: One Hundred and seventy-nine ESBL producing Gram-negative organisms detected phenotypically by double-disc synergy test were enrolled in this study...
July 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28904483/fecal-carriage-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-intensive-care-unit-patients
#9
Shalini Shenoy Mulki, Kavya Ramamurthy, Sevitha Bhat
BACKGROUND AND AIMS: Increasing and indiscriminate use of antibiotics has led the bacteria to develop resistance to most of the antibiotics. Beta-lactamase production is the mechanism of resistance to beta-lactams. Extended-spectrum beta-lactamases (ESBLs) have been found in the members of Enterobacteriaceae such as Escherichia coli and Klebsiella spp. which are the common health-care-associated pathogens. The aim was to study the rate of fecal carriage of ESBL-producing Enterobacteriaceae in patients admitted to the Intensive Care Unit (ICU) of tertiary care hospital and follow them subsequently for the development of infections...
August 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28901793/intravenous-fosfomycin-for-the-treatment-of-hospitalized-patients-with-serious-infections
#10
Andrew F Shorr, Jason M Pogue, John F Mohr
With the worldwide increase in the rates of antimicrobial resistance, antimicrobials with novel mechanisms of action are needed to fill a void in the antimicrobial armamentarium. Areas Covered: Intravenous fosfomycin has been studied extensively in a wide variety of infections including cUTI, lower respiratory tract infection, bone and joint infections, endocarditis, meningitis, and bacteremia outside of the United States. This paper reviews the in vitro activity, pharmacokinetic properties, and clinical experience of intravenous fosfomycin in hospitalized patients with serious infections...
September 13, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28899399/a-comparison-of-blood-stream-infections-with-extended-spectrum-beta-lactamase-producing-and-non-producing-klebsiella-pneumoniae-in-pediatric-patients
#11
Sevgen Tanır Basaranoglu, Yasemin Ozsurekci, Kubra Aykac, Eda Karadag Oncel, Asiye Bıcakcigil, Banu Sancak, Ali Bulent Cengiz, Ates Kara, Mehmet Ceyhan
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 patients younger than 18 years-old with blood stream infection caused by K...
September 12, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28898269/faecal-carriage-of-ctx-m-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-among-street-children-dwelling-in-mwanza-city-tanzania
#12
Nyambura Moremi, Heike Claus, Ulrich Vogel, Stephen E Mshana
BACKGROUND: Data on ESBL carriage of healthy people including children are scarce especially in developing countries. We analyzed the prevalence and genotypes of ESBL-producing Enterobacteriaceae (EPE) in Tanzanian street children with rare contact to healthcare facilities but significant interactions with the environment, animals and other people. METHODOLOGY/ PRINCIPLE FINDINGS: Between April and July 2015, stool samples of 107 street children, who live in urban Mwanza were analyzed for EPE...
2017: PloS One
https://www.readbyqxmd.com/read/28893647/coexistence-of-multidrug-resistance-mechanisms-and-virulence-genes-in-carbapenem-resistant-pseudomonas-aeruginosa-strains-from-a-tertiary-care-hospital-south-india
#13
Kalaiarasan Ellappan, Harish Belgode Narasimha, Saravana Kumar
BACKGROUND: This study aimed to identify the multiple drug resistance mechanisms and various virulence genes in high level carbapenem resistant P. aeruginosa (CARPA) isolates collected from patients hospitalized in a tertiary care hospital, South India. METHODOLOGY: A total of 156 CARPA isolates were included in this study. Multiplex PCR was optimized to detect carbapenemases and extended-spectrum beta-lactamase (ESBL) genes, respectively. Semi-quantitative reverse transcriptase PCR (RT-PCR) was optimized to evaluate OprD deficiency...
September 8, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28893132/prediction-of-infection-caused-by-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-development-of-a-clinical-decision-making-nomogram
#14
Ana García-Tello, Helena Gimbernat, Cristina Redondo, Elisa Meilán, David M Arana, Juana Cacho, Juan F Dorado, Javier C Angulo
OBJECTIVE: This study aimed to assess the population at risk of infection by extended-spectrum beta-lactamase (ESBL)-producing organisms, using clinical criteria. MATERIALS AND METHODS: All urine cultures positive for Enterobacteriaceae in a Spanish hospital department from January 2010 to 2014 were reviewed. All isolates with ESBL-positive strains were collected, and isolates received during the first week of each month with ESBL-negative strains from symptomatic patients hospitalized or admitted to the emergency room...
September 11, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28890179/maternal-colonization-or-infection-with-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-africa-a-systematic-review-and-meta-analysis
#15
Andre N H Bulabula, Angela Dramowski, Shaheen Mehtar
OBJECTIVES: To summarize published studies on the prevalence of and risk factors for maternal bacterial colonization and/or infection with extended-spectrum-beta-lactamases producing Enterobacteriaceae (ESBL-E) in pregnant and/or post-partum women in Africa. DESIGN OR METHODS: A systematic review was conducted in PubMed, Scopus and Google Scholar. Bibliographies of included eligible studies were manually searched to identify additional relevant articles. No language restriction was applied, for the timeframe, we searched from the electronic databases' inception to July 15th, 2017...
September 7, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28888637/high-abundance-and-diversity-of-extended-spectrum-beta-lactamase-esbl-producing-escherichia-coli-in-faeces-and-tonsils-of-pigs-at-slaughter
#16
I Van Damme, C Garcia-Graells, W Biasino, T Gowda, N Botteldoorn, L De Zutter
This cross-sectional study investigates the abundance of cefotaxime-resistant Escherichia coli (CREC) in the faeces and tonsils of 96 pigs during slaughter. Moreover, different isolates from a selected number of pigs were tested to study the diversity of blaESBL genes within E. coli isolates from one pig. Cefotaxime-resistant bacteria (based on enumeration results on MacConkey agar supplemented with 1mg/L cefotaxime) were found in the faeces of 77 pigs (80%; 95% CI: 70-87%) and the tonsils of 91 pigs (95%; 95% CI: 88%-98%)...
September 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28883810/from-farms-to-markets-gram-negative-bacteria-resistant-to-third-generation-cephalosporins-in-fruits-and-vegetables-in-a-region-of-north-africa
#17
Ferielle Mesbah Zekar, Sophie A Granier, Muriel Marault, Lydia Yaici, Benoit Gassilloud, Charles Manceau, Abdelaziz Touati, Yves Millemann
The role of food in human exposure to antimicrobial-resistant bacteria is a growing food safety issue. The contribution of fruits and vegetables eaten raw to this exposure is still unclear. The evaluation of contamination levels of fruits, vegetables and the agricultural environment by third-generation cephalosporin (3GC)-resistant Gram-negative bacteria was performed by analyzing 491 samples of fruits and vegetables collected from 5 markets and 7 farms in Bejaia area, north-eastern Mediterranean coast of Algeria...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28882177/ampc-and-extended-spectrum-beta-lactamases-production-among-urinary-isolates-from-a-tertiary-care-hospital-in-lalitpur-nepal
#18
Suman Rai, Narayan Dutt Pant, Raju Bhandari, Anil Giri, Roshan Parajuli, Manoj Aryal, Jyoti Amatya, Vijay Kumar Sharma
BACKGROUND: Production of AmpC and extended spectrum beta-lactamases among urinary isolates has created a serious problem to the successful management of the urinary tract infection. The main purpose of this study was to determine the rates of the extended spectrum beta-lactamase (ESBL) production and AmpC beta-lactamase (ABL) production among urinary isolates. RESULTS: Among total 564 urinary isolates, 514 (91.1%) were gram negative bacilli and 50 (8.9%) were gram positive cocci...
September 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28877761/phenotypic-prevalence-of-extended-spectrum-beta-lactamases-among-enterobacteriaceae-isolated-at-mulago-national-referral-hospital-uganda
#19
Lucas Ampaire, Emmanuel Nduhura, Izale Wewedru
OBJECTIVE: Enterobacteriaceae, common causes of health care associated and community acquired infections are mainly treated with beta-lactam agents. Our study objective was to determine the prevalence and common enterobacteriaceae pathogen producing extended spectrum beta lactamases (ESBLs). The isolates were recovered from various clinical specimens. This was cross sectional study conducted between July 2016 and September 2016 at Mulago National Referral Hospital, Uganda. We used ChromID™ ESBL agar (Biomerieux SA, Lyon, France) and Vitek2 compact system GN83 card (BioMerieux Inc, Hazelwood, Missouri, USA) to detect and confirm presence of phenotypic extended spectrum beta lactamases producing pathogens respectively...
September 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28873943/novel-sequence-types-of-extended-spectrum-and-acquired-ampc-beta-lactamase-producing-escherichia-coli-and-escherichia-clade-v-isolated-from-wild-mammals
#20
Carla Andrea Alonso, Leticia Alcalá, Carmen Simón, Carmen Torres
The closer contact with wildlife due to the growing human population and the destruction of natural habitats emphasizes the need of gaining insight into the role of animals as source of antimicrobial resistance. Here, we aim at characterizing the antimicrobial resistance genes and phylogenetic distribution of commensal Escherichia coli from 62 wild mammals. Isolates exhibiting resistance to ≥1 antibiotic were detected in 25.8% of the animals and 6.4% carried an extended-spectrum beta-lactamase (ESBL)/AmpC-producing E...
August 1, 2017: FEMS Microbiology Ecology
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