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Extended spectrum betalactamase

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https://www.readbyqxmd.com/read/28629407/antibacterial-activity-of-crude-extracts-of-some-south-african-medicinal-plants-against-multidrug-resistant-etiological-agents-of-diarrhoea
#1
Mary A Bisi-Johnson, Chikwelu L Obi, Babatunde B Samuel, Jacobus N Eloff, Anthony I Okoh
BACKGROUND: This study evaluated the antibacterial activity of some plants used in folklore medicine to treat diarrhoea in the Eastern Cape Province, South Africa. METHODS: The acetone extracts of Acacia mearnsii De Wild., Aloe arborescens Mill., A. striata Haw., Cyathula uncinulata (Schrad.) Schinz, Eucomis autumnalis (Mill.) Chitt., E. comosa (Houtt.) Wehrh., Hermbstaedtia odorata (Burch. ex Moq.) T.Cooke, Hydnora africana Thunb, Hypoxis latifolia Wight, Pelargonium sidoides DC, Psidium guajava L and Schizocarphus nervosus (Burch...
June 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28196696/patients-hospitalized-abroad-as-importers-of-multiresistant-bacteria-a-cross-sectional-study
#2
T Khawaja, J Kirveskari, S Johansson, J Väisänen, A Djupsjöbacka, A Nevalainen, A Kantele
OBJECTIVES: The pandemic spread of multidrug-resistant (MDR) bacteria poses a threat to healthcare worldwide, with highest prevalence in indigent regions of the (sub)tropics. As hospitalization constitutes a major risk factor for colonization, infection control management in low-prevalence countries urgently needs background data on patients hospitalized abroad. METHODS: We collected data on 1122 patients who, after hospitalization abroad, were treated at the Helsinki University Hospital between 2010 and 2013...
February 11, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28146187/-factors-associated-with-extended-spectrum-betalactamases-producing-organisms-among-patients-with-urinary-tract-infections-a-prospective-cohort-study
#3
Cristián Avilés, Pablo Betancour, Carmen Luz Velasco, Rodrigo Godoy, Elizabeth Barthel, Felipe Martínez
BACKGROUND: Urinary tract infections (UTIs) caused by extended-spectrum betalactamases (ESBL) are an increasingly common problem. AIM: To develop an association model to allow an early detection of ESBL-producing microorganisms. METHODS: A prospective observational cohort study was undertaken among patients admitted with a diagnosis of culture-proven UTI to the Internal Medicine Ward of the Hospital Naval Almirante Nef between February and November, 2011...
December 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28131557/-profile-of-bacterial-resistance-in-pediatric-urinary-tract-infections-in-2014
#4
A Flammang, R Morello, M Vergnaud, J Brouard, P Eckart
In pediatric units, bacteria-producing extended-spectrum-betalactamase (ESBL) have an increasing prevalence among bacteria causing febrile urinary tract infections (UTIs). The purpose of this study was to evaluate the epidemiology of bacteria resistance patterns observed in UTIs, in order to assess the current antibiotic treatment protocols. This study is based upon a single-center retrospective chart review of the cytobacteriological urine cultures performed in UTIs between 1 January and 31 December 2014, in the medical pediatric unit of the Caen University Hospital...
March 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28097270/prospective-study-analyzing-risk-factors-and-characteristics-of-healthcare-associated-infections-in-a-urology-ward
#5
José Medina-Polo, Raquel Sopeña-Sutil, Raúl Benítez-Sala, Alba Lara-Isla, Manuel Alonso-Isa, Javier Gil-Moradillo, Juan Justo-Quintas, Esther García-Rojo, Daniel Antonio González-Padilla, Juan Bautista Passas-Martínez, Ángel Tejido-Sánchez
PURPOSE: Healthcare-associated infections (HAIs) in urological patients have special features due to specific risk factors. Our objective was to evaluate the characteristics and risk factors for HAIs in patients hospitalized in a Urology ward. MATERIALS AND METHODS: We evaluated prospectively, from 2012 to 2015, the incidence, types and risk factor for HAIs, microbiological and resistance patterns. RESULTS: The incidence of HAIs was 6.3%. The most common types were urinary infections (70...
January 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28010058/-epidemiology-and-risk-factors-of-patients-with-intra-abdominal-postsurgical-infection-treated-with-tigecycline-a-cohort-study
#6
G Torres, M Paredes, A Hernández, C García, F Sánchez Bueno, M Canteras, P Parrilla, J Gómez
OBJECTIVE: To study a cohort of patients with intra-abdominal postsurgical infection treated with tigecycline to analyze its effectiveness and mortality related factors. METHODS: Prospective study of patients with intra-abdominal postsurgical infection with microbiological isolation and treated with tigecycline. RESULTS: Out of 103 patients only 61 full fit inclusion criteria. Mean age was 67 year-old and 72% were male. Charlson score was ≥ 3 in 65...
February 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/27902381/detection-of-escherichia-coli-st131-clonal-complex-st705-and-klebsiella-pneumoniae-st15-among-faecal-carriage-of-extended-spectrum-%C3%AE-lactamase-and-carbapenemase-producing-enterobacteriaceae
#7
Esther Ríos, María Carmen López, Iciar Rodríguez-Avial, Esther Culebras, Juan José Picazo
PURPOSE: The objective of the present study was to evaluate the prevalence of intestinal colonization with extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae (ESBL-E) and carbapenemase-producing Enterobacteriaceae (CPE) in non-selected hospitalized and non-hospitalized patients from the same geographic area of Madrid. METHODOLOGY: A total of 501 fecal samples were screened. Diluted samples in saline were cultured in MacConkey agar plates with ceftazidime, cefotaxime, imipenem and meropenem disks...
February 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27798637/the-technical-and-biological-reproducibility-of-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-maldi-tof-ms-based-typing-employment-of-bioinformatics-in-a-multicenter-study
#8
MULTICENTER STUDY
Michael Oberle, Nadia Wohlwend, Daniel Jonas, Florian P Maurer, Geraldine Jost, Sarah Tschudin-Sutter, Katleen Vranckx, Adrian Egli
BACKGROUND: The technical, biological, and inter-center reproducibility of matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI TOF MS) typing data has not yet been explored. The aim of this study is to compare typing data from multiple centers employing bioinformatics using bacterial strains from two past outbreaks and non-related strains. MATERIAL/METHODS: Participants received twelve extended spectrum betalactamase-producing E. coli isolates and followed the same standard operating procedure (SOP) including a full-protein extraction protocol...
2016: PloS One
https://www.readbyqxmd.com/read/27581926/mossambicus-tilapia-oreochromis-mossambicus-collected-from-water-bodies-impacted-by-urban-waste-carries-extended-spectrum-beta-lactamases-and-integron-bearing-gut-bacteria
#9
Nachiket P Marathe, Swapnil S Gaikwad, Ankita A Vaishampayan, Mandar H Rasane, Yogesh S Shouche, Wasudev N Gade
Oreochromis mossambicus (Peters 1852) (Tilapia) is one of the most consumed fish globally. Tilapia thrives well in environments polluted by urban waste, which invariably contain antibiotic-resistant bacteria and antibiotic resistance genes (ARGs). Thus, Tilapia surviving in such polluted environments may serve as a potential source for dissemination of ARGs. To investigate this, we isolated bacterial strains from gut of Tilapia found in polluted rivers and lakes near Pune, India, and studied the prevalence of resistance genes by molecular methods...
September 2016: Journal of Biosciences
https://www.readbyqxmd.com/read/27494134/esbl-detection-comparison-of-a-commercially-available-chromogenic-test-for-third-generation-cephalosporine-resistance-and-automated-susceptibility-testing-in-enterobactericeae
#10
COMPARATIVE STUDY
Mohamed Ramadan El-Jade, Marijo Parcina, Ricarda Maria Schmithausen, Christoph Stein, Alina Meilaender, Achim Hoerauf, Ernst Molitor, Isabelle Bekeredjian-Ding
Rapid detection and reporting of third generation cephalosporine resistance (3GC-R) and of extended spectrum betalactamases in Enterobacteriaceae (ESBL-E) is a diagnostic and therapeutic priority to avoid inefficacy of the initial antibiotic regimen. In this study we evaluated a commercially available chromogenic screen for 3GC-R as a predictive and/or confirmatory test for ESBL and AmpC activity in clinical and veterinary Enterobacteriaceae isolates. The test was highly reliable in the prediction of cefotaxime and cefpodoxime resistance, but there was no correlation with ceftazidime and piperacillin/tazobactam minimal inhibitory concentrations...
2016: PloS One
https://www.readbyqxmd.com/read/27373765/decline-of-multidrug-resistant-gram-negative-infections-with-the-routine-use-of-a-multiple-decontamination-regimen-in-icu
#11
Christophe Camus, Elise Sauvadet, Aude Tavenard, Caroline Piau, Fabrice Uhel, Pierre Bouju, Julien Letheulle, Gilles Dollo, Arnaud Gacouin, Sylvain Lavoué, Yves Le Tulzo
OBJECTIVES: We have shown that the routine use of a multiple decontamination regimen with oropharyngeal and digestive polymyxin/tobramycin/amphotericin B plus mupirocin/chlorhexidine in intubated patients reduced all-cause acquired infections (AIs) in the intensive care unit (ICU). We now assessed the long-term impact of this strategy on AIs involving multidrug-resistant aerobic Gram negative bacilli (AGNB) and acquired episodes of extended-spectrum betalactamase (ESBL)-producing Enterobacteriaceae rectal carriage...
September 2016: Journal of Infection
https://www.readbyqxmd.com/read/27223840/travel-to-asia-and-traveller-s-diarrhoea-with-antibiotic-treatment-are-independent-risk-factors-for-acquiring-ciprofloxacin-resistant-and-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-a-prospective-cohort-study
#12
E A Reuland, G J B Sonder, I Stolte, N Al Naiemi, A Koek, G B Linde, T J W van de Laar, C M J E Vandenbroucke-Grauls, A P van Dam
Travel to (sub)tropical countries is a well-known risk factor for acquiring resistant bacterial strains, which is especially of significance for travellers from countries with low resistance rates. In this study we investigated the rate of and risk factors for travel-related acquisition of extended spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E), ciprofloxacin-resistant Enterobacteriaceae (CIPR-E) and carbapenem-resistant Enterobacteriaceae. Data before and after travel were collected from 445 participants...
August 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/26815433/epidemiological-and-clinical-features-for-cefepime-heteroresistant-escherichia-coli-infections-in-southwest-china
#13
W Ma, J Sun, S Yang, L Zhang
Phenotypic heteroresistance (PHR) is common in a weight of microbes and plays an important role in the evolution of antibiotic resistance. However, PHR to cefepime (FEP-PHR) among invasive Escherichia coli (E. coli) has not been reported. This study aimed to report the characteristics of invasive E. coli with FEP-PHR traits and further to investigate the predisposing factors for its acquisition. A retrospective case-control study was conducted in a teaching hospital in Southwest China. A total of 319 successive and non-duplicate E...
April 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/26766415/bloodstream-infections-after-solid-organ-transplantation
#14
REVIEW
Antonios Kritikos, Oriol Manuel
Solid-organ transplantation (SOT) has become the preferred strategy to treat a number of end-stage organ disease, because a continuous improvement in survival and quality of life. While preventive strategies has decreased the risk for classical opportunistic infections (such as viral, fungal and parasite infections), bacterial infections, and particularly bloodstream infections (BSIs) remain the most common and life-threatening complications in SOT recipients. The source of BSI after transplant depends on the type of transplantation, being urinary tract infection, pneumonia, and intraabdominal infections the most common infections occurring after kidney, lung and liver transplantation, respectively...
April 2, 2016: Virulence
https://www.readbyqxmd.com/read/26707079/association-of-risk-factors-antimicrobial-resistance-trends-and-occurrence-of-blatem-bla-shv-and-blactx-m-in-escherichia-coli-causing-bacteremia
#15
Richa Sinha, Sphurti Kamath, Suchitra M Shenoy
PURPOSE: Escherichia coli are the most frequent cause of gram negative bloodstream infection. This study was done to evaluate the association of risk factors, antimicrobial susceptibility pattern and detection of TEM, SHV and CTX M genes in the extended spectrum beta lactamase (ESBL) producing E.coli. MATERIALS AND METHODS: 11,133 blood samples were processed in BacT/Alert bottles. Bacteria grown were identified and antibiotic susceptibility patterns were studied using VITEK2 system...
2016: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/26505186/-multidrug-resistant-organisms-mdro-in-rehabilitation-clinics-in-the-rhine-main-district-germany-2014-prevalence-and-risk-factors
#16
MULTICENTER STUDY
U Heudorf, D Färber, D Mischler, M Schade, C Zinn, C Cuny, D Nillius, M Herrmann
BACKGROUND: While a limited number of studies have investigated the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in medical rehabilitation institutions, almost no data on the colonization of rehabilitation patients with multiresistant gram-negative rods is available. Here we report on a large multicenter study on the prevalence of MRSA and multiresistant pathogens in rehabilitation institutions in the Rhine-Main area in 2014. MATERIALS AND METHODS: Altogether, 21 rehabilitation hospitals participated...
October 2015: Die Rehabilitation
https://www.readbyqxmd.com/read/26213583/simultaneous-gut-colonisation-and-infection-by-esbl-producing-escherichia-coli-in-hospitalised-patients
#17
Johny Asir, Shashikala Nair, Sheela Devi, Kenchappa Prashanth, Rajagopalan Saranathan, Reba Kanungo
BACKGROUND: Extended spectrum betalactamase (ESBL)-producing organisms are a major cause of hospital-acquired infections. ESBL-producing Escherichia coli (E. coli) have been recovered from the hospital environment. These drug-resistant organisms have also been found to be present in humans as commensals. The present investigation intended to isolate ESBL-producing E. coli from the gut of already infected patients; to date, only a few studies have shown evidence of the gut microflora as a major source of infection...
2015: Australasian Medical Journal
https://www.readbyqxmd.com/read/26008659/in-vitro-efficacy-of-meropenem-colistin-and-tigecycline-against-the-extended-spectrum-beta-lactamase-producing-gram-negative-bacilli
#18
COMPARATIVE STUDY
Maria Mushtaq Gill, Javaid Usman, Afreenish Hassan, Fatima Kaleem, Rabia Anjum
OBJECTIVE: To compare the in vitro efficacy of meropenem, colistin and tigecycline against extended spectrum Betalactamase producing Gram negative bacilli by minimal inhibitory concentration. STUDY DESIGN: Cross-sectional descriptive study. PLACE AND DURATION OF STUDY: Department of Microbiology, Army Medical College, National University of Sciences and Technology, Rawalpindi, from June to December 2010. METHODOLOGY: Routine clinical specimens were subjected to standard microbiological procedures and the isolates were identified to species level...
May 2015: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/25890291/simple-multiplex-pcr-assays-to-detect-common-pathogens-and-associated-genes-encoding-for-acquired-extended-spectrum-betalactamases-esbl-or-carbapenemases-from-surgical-site-specimens-in-vietnam
#19
Ngo Tat Trung, Tran Thi Thu Hien, Tran Thi Thanh Huyen, Dao Thanh Quyen, Mai Thanh Binh, Phan Quoc Hoan, Christian G Meyer, Thirumalaisamy P Velavan, Le Huu Song
UNLABELLED: Surgical site infection (SSI) is common in Vietnamese post-operative patients. It contributes to increased morbidity, mortality, hospitalization time and health care expenditure. Bacterial culture is considered the gold standard procedure to identify SSI pathogens and antibiotic resistant properties; however, it can detect microbes that can readily grow and is time-consuming. We propose optimized multiplex PCR assays to diagnose the most relevant microbes and associated genes encoding for acquired extended spectrum betalactamases (ESBL) or carbapenemases from Vietnamese patients with SSI in a hospital setting in Hanoi...
2015: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/25676738/impact-of-antibiotic-resistance-on-the-development-of-recurrent-and-relapsing-symptomatic-urinary-tract-infection-in-kidney-recipients
#20
M Bodro, G Sanclemente, I Lipperheide, M Allali, F Marco, J Bosch, F Cofan, M J Ricart, N Esforzado, F Oppenheimer, A Moreno, C Cervera
We sought to determine the frequency, risk factors, and clinical impact of recurrent urinary tract infections (UTI) in kidney transplant recipients. Of 867 patients who received a kidney transplant between 2003 and 2010, 174 (20%) presented at least one episode of UTI. Fifty-five patients presented a recurrent UTI (32%) and 78% of them could be also considered relapsing episodes. Recurrent UTI was caused by extended-spectrum betalactamase (ESBL)-producing Klebsiella pneumoniae (31%), followed by non-ESBL producing Escherichia coli (15%), multidrug-resistant (MDR) Pseudomonas aeruginosa (14%), and ESBL-producing E...
April 2015: American Journal of Transplantation
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