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https://www.readbyqxmd.com/read/29149242/long-term-carriage-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-and-klebsiella-pneumoniae-in-the-general-population-in-the-netherlands
#1
Engeline van Duijkeren, Cornelia C H Wielders, Cindy M Dierikx, Angela H A M van Hoek, Paul Hengeveld, Christiaan Veenman, Alice Florijn, Aniek Lotterman, Lidwien A M Smit, Jaap T van Dissel, Catharina B M Maassen, Sabine C de Greeff
Background: This longitudinal study aimed to investigate (risk factors for) persistence of carriage and molecular characteristics of extended-spectrum and pAmpC β-lactamase-producing (ESBL/pAmpC) Escherichia coli and Klebsiella pneumoniae (ESBL-E/K) in adults in the Dutch community. Methods: Following a cross-sectional study (ESBL-E/K prevalence 4.5%), a subset of ESBL-E/K positive (n=76) and negative (n=249) individuals volunteered to provide five monthly faecal samples and questionnaires...
November 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29116290/drug-resistance-ampc-%C3%AE-lactamase-and-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-isolated-from-fish-and-shrimp
#2
Marília Viana Albuquerque de Almeida, Ítalo Mendes Cangussú, Antonia Leonadia Siqueira de Carvalho, Izabelly Linhares Ponte Brito, Renata Albuquerque Costa
The present study aims to detect the production of extended-spectrum beta-lactamases (ESBL) by enterobacteria isolated from samples of fresh shrimp and fish obtained from the retail trade of the city of Sobral, Ceará State, Brazil. All bacterial isolates were submitted to identification and antimicrobial susceptibility testing using aminopenicillin, beta-lactamase inhibitors, carbapenem, 1st, 2nd, 3rd and 4th generation cephalosporins, and monobactam. Three types of beta-lactamases - ESBL, AmpC and KPC - were investigated...
November 6, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29111480/draft-genome-sequences-of-two-fluoroquinolone-resistant-ctx-m-15-producing-escherichia-coli-st90-st23-complex-isolated-from-a-calf-and-a-dairy-cow-in-south-america
#3
Luciana Sartori, Miriam R Fernandes, Susan Ienne, Tiago A de Souza, Lilian Gregory, Louise Cerdeira, Nilton Lincopan
OBJECTIVES: Farm animals have been recognised as important carriers and reservoirs of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli. The aim of this study was to report the draft genome sequences of two multidrug-resistant (MDR) CTX-M-15-producing E. coli strains (47VL and 13B) isolated from different bovine hosts (a calf and a dairy cow), housed separately in a commercial dairy farm in Brazil. METHODS: Total genomic DNA of the E. coli isolates was sequenced using an Illumina MiSeq paired-end 300-bp sequencing platform...
October 31, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29102989/universal-or-targeted-approach-to-prevent-the-transmission-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-intensive-care-units-a-cost-effectiveness-analysis
#4
Lidia Kardaś-Słoma, Jean-Christophe Lucet, Anne Perozziello, Camille Pelat, Gabriel Birgand, Etienne Ruppé, Pierre-Yves Boëlle, Antoine Andremont, Yazdan Yazdanpanah
OBJECTIVE: Several control strategies have been used to limit the transmission of multidrug-resistant organisms in hospitals. However, their implementation is expensive and effectiveness of interventions for the control of extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-PE) spread is controversial. Here, we aim to assess the cost-effectiveness of hospital-based strategies to prevent ESBL-PE transmission and infections. DESIGN: Cost-effectiveness analysis based on dynamic, stochastic transmission model over a 1-year time horizon...
November 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/28992133/intestinal-carriage-of-third-generation-cephalosporin-resistant-and-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-in-healthy-us-children
#5
Shamim Islam, Rangaraj Selvarangan, Neena Kanwar, Rendie McHenry, James D Chappell, Natasha Halasa, Mary E Wikswo, Daniel C Payne, Parvin H Azimi, L Clifford McDonald, Oscar G Gomez-Duarte
Background: The epidemiology of antibiotic-resistant Enterobacteriaceae intestinal carriage in healthy US children has not been well characterized. Methods: Children between 14 days and 14 years of age were enrolled during well-child visits in Oakland, California, Kansas City, Kansas, and Nashville, Tennessee, between December 2013 and March 2015. Data on recent antibiotic use by the child and travel and hospitalization history of all members of each child's household were obtained with a risk-factor survey...
June 15, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28962997/cessation-of-screening-for-intestinal-carriage-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-in-a-low-endemicity-intensive-care-unit-with-universal-contact-precautions
#6
W Jalalzaï, M Boutrot, J Guinard, A Guigon, L Bret, D-M Poisson, T Boulain, F Barbier
OBJECTIVES: The usefulness of screening for carriage of extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) with active surveillance cultures (ASC) remains equivocal in low-endemicity intensive care units (ICUs). Our primary objective was to appraise the impact of ceasing ASC on the incidence of ICU-acquired ESBL-E infections in an ICU with universal contact precautions (CP). Patient outcomes and carbapenem consumption were also investigated. METHODS: A single-ICU, retrospective, uncontrolled before-and-after study including all patients admitted for ≥3 days during two consecutive 1-year periods with and without ASC...
September 26, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28939488/prevalence-and-transmission-dynamics-of-escherichia-coli-st131-among-contacts-of-infected-community-and-hospitalized-patients
#7
E Torres, L López-Cerero, I Morales, M D Navarro, J Rodríguez-Baño, A Pascual
OBJECTIVES: The Escherichia coli O25b-associated ST131 clonal group was recently found to be prevalent in our area as a cause of community-acquired urinary tract infections. We evaluated the transmission dynamics and longitudinal persistence of E. coli O25b-ST131 between patients with nosocomial and community-acquired infections and their contacts. METHODS: Prevalence and transmission of O25b/pabB3/B23 isolates were compared in 38 community clusters, 30 nosocomial clusters and 50 healthy volunteers...
September 19, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28867789/multiple-antibiotic-resistant-extended-spectrum-%C3%AE-lactamase-esbl-producing-enterobacteria-in-fresh-seafood
#8
Asem Sanjit Singh, Manjusha Lekshmi, Sreepriya Prakasan, Binaya Bhusan Nayak, Sanath Kumar
Members of the family Enterobacteriaceae include several human pathogens that can be acquired through contaminated food and water. In this study, the incidence of extended spectrum β-lactamase (ESBL)-producing enterobacteria was investigated in fresh seafood sold in retail markets. The ESBL-positive phenotype was detected in 169 (78.60%) isolates, with Escherichia coli being the predominant species (53), followed by Klebsiella oxytoca (27), and K. pneumoniae (23). More than 90% of the isolates were resistant to third generation cephalosporins, cefotaxime, ceftazidime, and cefpodoxime...
August 30, 2017: Microorganisms
https://www.readbyqxmd.com/read/28711676/should-we-consider-faecal-colonisation-with-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-in-empirical-therapy-of-community-onset-sepsis
#9
Daša Stupica, Lara Lusa, Mirijam Nahtigal Klevišar, Sara Terzić, Mateja Pirš, Manica Mueller Premru, Franc Strle
In patients colonised with extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E), the preference for carbapenems (CRBs) over non-CRB antibiotics for empirical therapy of sepsis is questionable from an ecologic perspective. Moreover, how well colonisation predicts an ESBL-E aetiology of infection has been poorly investigated. The purpose of this retrospective observational study was to determine the positive predictive value (PPV) of ESBL-E faecal colonisation for ESBL-E sepsis aetiology and the impact of empirical therapy on treatment outcome...
October 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28674848/epidemiology-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-an-intensive-care-unit-with-no-single-rooms
#10
Xavier Repessé, Margaux Artiguenave, Sophie Paktoris-Papine, Florence Espinasse, Aurélien Dinh, Cyril Charron, Faten El Sayed, Guillaume Geri, Antoine Vieillard-Baron
BACKGROUND: The transmission of extended-spectrum beta-lactamase-producing enterobacteriaceae (ESBL) is prevented by additional contact precautions, mainly relying on isolation in a single room and hand hygiene. Contact isolation cannot be achieved in our 12-bed ICU, which has only double rooms. We report the epidemiology of ESBL imported, acquired and transmitted in an ICU with no single rooms. METHODS: We prospectively conducted an observational and non-interventional study in a French 12-bed ICU...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28612707/genetic-characteristic-of-class-1-integrons-in-proteus-mirabilis-isolates-from-urine-samples
#11
Chih-Ming Chen, Chih-Ho Lai, Hwa-Jene Wu, Lii-Tzu Wu
BACKGROUND: Proteus mirabilis is an opportunistic pathogen, commonly associated with complicated urinary tract infections (UTIs). UTIs caused by multidrug-resistant Proteus mirabilis have increased worldwide. Multidrug-resistance of Gram-negative enteric bacteria is usually associated with class 1 integrons. PURPOSES: To investigate the prevalence and characterize gene cassettes of class 1 integrons in multidrug-resistant P. mirabilis Methods: From 2006 to 2008, 314 P...
June 2017: BioMedicine
https://www.readbyqxmd.com/read/28608133/frequency-associated-factors-and-outcome-of-multi-drug-resistant-intensive-care-unit-acquired-pneumonia-among-patients-colonized-with-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae
#12
Keyvan Razazi, Armand Mekontso Dessap, Guillaume Carteaux, Chloé Jansen, Jean-Winoc Decousser, Nicolas de Prost, Christian Brun-Buisson
BACKGROUND: We assessed prevalence, associated factors and prognosis of extended-spectrum beta-lactamase-producing Enterobacteriaceae pneumonia acquired in intensive care unit (ESBL-PE pneumonia) among carriers. Variables associated with nosocomial pneumonia caused by carbapenem-resistant bacteria (CRB) were also assessed. METHODS: A 6-year prospective study (May 2009-March 2015) in the medical ICU of an 850-bed university-affiliated hospital was conducted. RESULTS: Of the 6303 patients admitted, 843 (13...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28600076/contribution-and-limits-of-clinical-specimens-for-the-screening-of-intestinal-multi-drug-resistant-bacteria-in-view-of-laboratory-automation
#13
A Geraud de Galassus, F Cizeau, A Agathine, C Domrane, D Ducellier, V Fihman, J-W Decousser
The detection of multi-drug-resistant bacteria carriers constitutes a race against time for infection preventionists. Alongside standard analysis for diagnostic purposes and a rectal screening strategy, the authors tested a heavy-loaded selective method against 562 clinical specimens from 439 patients to detect extended-spectrum beta-lactamase-producing (ESBL) or carbapenemase-producing Enterobacteriaceae (CPE) and vancomycin-resistant enterococci (VRE). The approach identified five more specimens positive for ESBL-producing Enterobacteriaceae than standard analysis, and six out of nine known VRE/CPE carriers (three new CPE/VRE strains were also identified in this cohort)...
June 6, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28474180/importance-of-pre-enrichment-for-detection-of-third-generation-cephalosporin-resistant-enterobacteriaceae-3gcreb-from-rectal-swabs
#14
N Jazmati, T Jazmati, A Hamprecht
Screening for multidrug-resistant Enterobacteriaceae is performed in many institutions as part of infection control measures. However, the sensitivity of current standard diagnostics is modest. Furthermore, patients are usually screened by rectal swabs (mostly rayon based), which have been shown to be sub-optimal for the recovery of Enterobacteriaceae. Therefore, it is likely that many patients colonised with multidrug-resistant Enterobacteriaceae remain undetected. The present study aimed to analyse if the detection of multidrug-resistant Enterobacteriaceae can be improved when screening with rayon swabs is done in combination with an additional pre-enrichment step...
October 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28441421/high-prevalence-of-mrsa-and-esbl-among-asylum-seekers-in-the-netherlands
#15
Sofanne J Ravensbergen, Matthijs Berends, Ymkje Stienstra, Alewijn Ott
Migration is one of the risk factors for the spread of multidrug-resistant organisms (MDRO). The increasing influx of migrants challenges local health care systems. To provide evidence for both hospital hygiene measure and empirical antibiotic therapy, we analysed all cultures performed in asylum seekers between January 1st 2014 and December 31st 2015 for methicillin resistant Staphylococcus aureus (MRSA) and for multidrug-resistant Enterobacteriaceae (MDRE). We compared these with cultures from the Dutch patient population with risk factors for carriage of MDRO...
2017: PloS One
https://www.readbyqxmd.com/read/28379311/contact-precautions-for-preventing-nosocomial-transmission-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-a-point-counterpoint-review
#16
Sarah Tschudin-Sutter, Jean-Christophe Lucet, Nico T Mutters, Evelina Tacconelli, Jean Ralph Zahar, Stephan Harbarth
Contact precautions have been recommended for hospitalized patients colonized or infected with extended-spectrum β-lactamase-producing Escherichia coli (ESBL-EC). Despite such recommendations, a steady, worldwide increase of ESBL-EC has been reported. We discuss arguments in favor of and against contact precautions for ESBL-EC carriers. Healthcare settings with high ESBL-EC colonization pressure, extended hospital stay, and close contact between patients may serve as amplification platforms, further accelerating transmission...
July 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28281197/wild-birds-and-urban-pigeons-as-reservoirs-for-diarrheagenic-escherichia-coli-with-zoonotic-potential
#17
Clarissa A Borges, Marita V Cardozo, Livia G Beraldo, Elisabete S Oliveira, Renato P Maluta, Kaline B Barboza, Karin Werther, Fernando A Ávila
In order to describe the role of wild birds and pigeons in the transmission of shiga toxigenic Escherichia coli (STEC) and enteropathogenic Escherichia coli (EPEC) to humans and other animals, samples were collected from cloacae and oropharynx of free-living wild birds and free-living pigeons. Two STEC (0.8%) and five EPEC strains (2.0%) were isolated from wild birds and four EPEC strains (2.0%) were recovered from pigeons. Serogroups, sequence types (STs) and virulence genes, such as saa, iha, lpfA O113, ehxA, espA, nleB and nleE, detected in this study had already been implicated in human and animal diseases...
May 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28262042/genomic-attributes-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-isolated-from-patients-in-lebanon
#18
Sima Tokajian, Tamara Salloum, Jonathan A Eisen, Guillaume Jospin, Anna Farra, Jacques E Mokhbat, David A Coil
AIM: Extended-spectrum β-lactamase-producing (ESBL) Escherichia coli are a public threat worldwide. This study aimed at analyzing the genomic and functional attributes of nine ESBLs taken from rectal swabs. MATERIALS & METHODS: Samples were isolated from patients admitted for gastrointestinal and urological procedures at the University Medical Center-Rizk Hospital (UMCRH) in Lebanon. Illumina paired-end libraries were prepared and sequenced. RESULTS: The isolates were distributed into five lineages: ST131, ST648, ST405, ST73 and ST38, and harbored bla OXA-1, bla TEM-1B, bla TEM-1C and aac(6')Ib-cr...
March 2017: Future Microbiology
https://www.readbyqxmd.com/read/28196696/patients-hospitalized-abroad-as-importers-of-multiresistant-bacteria-a-cross-sectional-study
#19
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...
September 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28154560/detection-of-sgi1-pgi1-elements-and-resistance-to-extended-spectrum-cephalosporins-in-proteae-of-animal-origin-in-france
#20
Eliette Schultz, Axel Cloeckaert, Benoît Doublet, Jean-Yves Madec, Marisa Haenni
Proteae, and especially Proteus mirabilis, are often the cause of urinary tract infections (UTIs) in humans. They were reported as carriers of extended-spectrum β-lactamase (ESBL) genes, and recently of carbapenemases, mostly carried by the Salmonella genomic island 1 (SGI1) and Proteus genomic island 1 (PGI1). Proteae have also lately become an increasing cause of UTIs in companion animals, but antimicrobial susceptibility data in animals are still scarce. Here, we report the characterization of 468 clinical epidemiologically unrelated Proteae strains from animals collected between 2013 and 2015 in France...
2017: Frontiers in Microbiology
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