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Carbapenemase resistant enterobacteriacea

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https://www.readbyqxmd.com/read/28642140/emergence-of-carbapenem-resistant-enterobacteriaceae-isolated-from-patients-in-a-university-hospital-in-saudi-arabia-epidemiology-clinical-profiles-and-outcomes
#1
Fawzia E Alotaibi, Elham E Bukhari, Maha M Al-Mohizea, Taghreed Hafiz, Eman Bin Essa, Yasmeen I AlTokhais
Carbapenemase-producing Enterobacteriaceae have been steadily spreading worldwide during the last decade. Nine patients were identified prospectively and were followed during their hospitalization course to identify the epidemiology, clinical profiles and outcomes. These patients had one or more cultures positive for a CRE isolate, contributing to a total of eleven positive cultures from various sites without including duplicates of isolates obtained from the same site. Isolates from these patients included five Klebseilla pneumoniae, three Escherichia coli, and one Enterobacter aerogenes...
June 19, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28639165/molecular-characterization-of-intestinal-carriage-of-carbapenem-resistant-enterobacteriaceae-among-inpatients-at-two-iranian-university-hospitals-first-report-of-co-production-of-bla-ndm-7-and-bla-oxa-48
#2
H Solgi, F Badmasti, Z Aminzadeh, C G Giske, M Pourahmad, F Vaziri, S A Havaei, F Shahcheraghi
Gastrointestinal colonization of carbapenem-resistant Enterobacteriaceae (CRE) could serve as a reservoir for the transmission of these pathogens in the clinical setting. The aim of this study was to investigate the intestinal carriage of CRE and to analyze risk factors for CRE carriage. Rectal swabs were collected from 95 patients at two Iranian university hospitals. CRE screening was performed using selective media (CHROMagar and MacConkey agar). Polymerase chain reaction (PCR) was used to detect carbapenemase-encoding genes...
June 21, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28637265/importance-of-carbapenemase-production-detection-in-carbapenem-resistant-enterobacteriaceae-looking-beyond-epidemiological-purposes
#3
Adriana Jimenez, Lilian Abbo, Merhawi T Gebrezgi
No abstract text is available yet for this article.
June 16, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28636975/prevalence-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-and-methicillin-resistant-staphylococcus-aureus-in-pig-farms-in-switzerland
#4
Julia G Kraemer, João Pires, Marianne Kueffer, Eulalia Semaani, Andrea Endimiani, Markus Hilty, Anne Oppliger
The presence of Methicillin-Resistant Staphylococcus aureus (MRSA) in pig farms has been widely reported, and the emergence of extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) has been documented in several countries. However, data for Switzerland are very scarce. This study aimed to compare changes in the prevalence of MRSA in Swiss pig farms between 2008 and 2015 and make the first ever estimates of the presence of ESBL-E and carbapenemase producers in pigs and pig farm workers. Results showed that ESBL-E was present in both pigs and farm workers and that the proportion of farms with MRSA had increased fourfold in seven years (from 7% to 31%)...
June 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28636666/molecular-and-microbiological-report-of-a-hospital-outbreak-of-ndm-1-carrying-enterobacteriaceae-in-mexico
#5
Paola Bocanegra-Ibarias, Elvira Garza-González, Rayo Morfín-Otero, Humberto Barrios, Licet Villarreal-Treviño, Eduardo Rodríguez-Noriega, Ulises Garza-Ramos, Santiago Petersen-Morfin, Jesus Silva-Sanchez
OBJECTIVES: To characterize the microbiological, molecular and epidemiological data of an outbreak of carbapenem-resistant Enterobacteriaceae (CRE) in a tertiary-care hospital in Mexico. METHODS: From September 2014 to July 2015, all CRE clinical isolates recovered during an outbreak in the Hospital Civil "Fray Antonio Alcalde" in Jalisco, Mexico were screened for antimicrobial susceptibility, carbapenemase production, carbapenemase-encoding genes, and plasmid profiles...
2017: PloS One
https://www.readbyqxmd.com/read/28630686/fecal-carriage-of-extended-spectrum-%C3%AE-lactamase-and-carbapenemase-producing-enterobacteriaceae-in-egyptian-patients-with-community-onset-gastrointestinal-complaints-a-hospital-based-cross-sectional-study
#6
H M Abdallah, N Alnaiemi, E A Reuland, B B Wintermans, A Koek, A M Abdelwahab, A Samy, K W Abdelsalam, C M J E Vandenbroucke-Grauls
OBJECTIVES: The aim of this study was to determine the prevalence of extended-spectrum β-lactamase (ESBL) and carbapenemase production among Enterobacteriaceae isolated from ambulatory patients with gastrointestinal complaints admitted to El-Ahrar General Hospital, Zagazig, Egypt in the period between January 2013 and May 2013. METHODS: One hundred and thirteen Enterobacteriaceae isolates were recovered from 100 consecutive Egyptian patients with community-onset gastrointestinal complaints...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28630202/identifying-spectra-of-activity-and-therapeutic-niches-for-ceftazidime-avibactam-and-imipenem-relebactam-against-carbapenem-resistant-enterobacteriaceae
#7
Ghady Haidar, Cornelius J Clancy, Liang Chen, Palash Samanta, Ryan K Shields, Barry N Kreiswirth, M Hong Nguyen
We determined imipenem, imipenem-relebactam, ceftazidime and ceftazidime-avibactam minimum inhibitory concentrations (MICs) against 100 CRE isolates that underwent whole genome sequencing. KPCs were the most common carbapenemases. Forty-six isolates carried ESBLs. With the addition of relebactam, imipenem susceptibility increased from 8% to 88%. With the addition of avibactam, ceftazidime susceptibility increased from 0% to 85%. Neither imipenem-relebactam nor ceftazidime-avibactam was active against MBL-producers...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28614760/abundance-of-carbapenemase-genes-blakpc-blandm-and-blaoxa-48-in-wastewater-effluents-from-tunisian-hospitals
#8
Emna Nasri, Jessica Subirats, Alexandre Sànchez-Melsió, Hedi Ben Mansour, Carles M Borrego, José Luis Balcázar
Carbapenems are β-lactam antibiotics with a broad spectrum of activity and are usually considered the last resort for the treatment of severe infections caused by multidrug-resistant pathogens. The clinically most significant carbapenemases are KPC, NDM, and OXA-48-like enzymes, whose genes have been increasingly reported worldwide in members of the family Enterobacteriaceae. In this study, we quantified the abundance of these genes in wastewater effluents from different Tunisian hospitals. The blaNDM and blaOXA-48-like genes were detected at similar concentrations in all hospital wastewater effluents...
June 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28610832/comparison-of-antimicrobial-activity-between-ceftolozane-tazobactam-and-ceftazidime-avibactam-against-multidrug-resistant-isolates-of-escherichia-coli-klebsiella-pneumoniae-and-pseudomonas-aeruginosa
#9
Adnan Alatoom, Hashim Elsayed, Karen Lawlor, Laila AbdelWareth, Rania El-Lababidi, Lysettee Cardona, Mohammad Mooty, Maria-Fernanda Bonilla, Ahmad Nusair, Imran Mirza
OBJECTIVE: We compared the activity of ceftolozane-tazobactam and ceftazidime-avibactam against 120 strains including extended spectrum β-lactamase (ESBL) producers, carbapenem-resistant Enterobacteriaceae (CRE) and Pseudomonas aeruginosa isolated from patients admitted to Cleveland Clinic Abu Dhabi, United Arab Emirates. METHODS: The in-vitro susceptibility was tested using E-strip MIC method and PCR was used to characterize the carbapenemase enzymes produced by CRE strains...
June 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28607027/carbapenemase-producing-enterobacteriaceae-isolates-from-edo-state-nigeria
#10
Christiana Jesumirhewe, Burkhard Springer, Sarah Lepuschitz, Franz Allerberger, Werner Ruppitsch
The emergence and spread of carbapenem-resistant Enterobacteriaceae (CRE) is a global health problem which is of great concern to public health services (1, 2).….
June 12, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28600076/the-contribution-and-limits-of-clinical-specimens-for-the-screening-of-intestinal-multidrug-resistant-bacteria-in-view-of-laboratory-automation
#11
Geraud De Galassus Alix, Florence Cizeau, Aurélie Agathine, Cecilia Domrane, David Ducellier, Vincent Fihman, Jean-Winoc Decousser
The detection of multidrug-resistant bacteria carriers constitutes a race against time for infection preventionists. Alongside standard analysis for diagnosis purposes and rectal screening strategy, we 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). Our approach identified five more specimens positive for ESBL-producing Enterobacteriaceae than standard analysis, and 6 out of 9 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/28585170/rapid-and-simple-identification-of-carbapenemase-genes-bla-ndm-bla-oxa-48-bla-vim-bla-imp-14-and-bla-kpc-groups-in-gram-negative-bacilli-by-in-house-loop-mediated-isothermal-amplification-with-hydroxynaphthol-blue-dye
#12
Arpasiri Srisrattakarn, Aroonlug Lulitanond, Chotechana Wilailuckana, Nicha Charoensri, Lumyai Wonglakorn, Pimjai Saenjamla, Prajuab Chaimanee, Jureerut Daduang, Aroonwadee Chanawong
Carbapenem-resistant Enterobacteriaceae isolates by carbapenemase production are being reported globally with increasing frequency, leading to limited therapeutic options. We therefore developed a loop-mediated isothermal amplification method with hydroxynaphthol blue dye (LAMP-HNB) for rapid confirmation of bla NDM, bla OXA-48, bla VIM, bla IMP-14 and bla KPC groups. Sixty-two Enterobacteriaceae and Pseudomonas spp. isolates carrying various carbapenemase genes (28 bla NDM-1, 9 bla IMP-14a, 2 bla IMP-48, 1 bla IMP-1, 1 bla IMP-4, 1 bla IMP-9, 1 bla IMP-15, 4 bla VIM-2, 1 bla VIM-1, 1 bla IMP-14a & bla VIM-2, 7 bla KPC-2, 3 bla OXA-48 and 3 bla OXA-181) and 37 non-carbapenemase-producing Enterobacteriaceae isolates as confirmed by the PCR methods were included...
July 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28578550/ventilator-associated-pneumonia-the-role-of-emerging-diagnostic-technologies
#13
Marin H Kollef, Carey-Ann D Burnham
Antibiotic resistance has emerged as a key determinant of outcome in patients with serious infections along with the virulence of the underlying pathogen. Within the intensive care unit (ICU) setting, ventilator-associated pneumonia (VAP) is a common nosocomial infection that is frequently caused by multidrug-resistant bacteria. Antimicrobial resistance is a growing challenge in the care of critically ill patients. Escalating rates of antibiotic resistance add substantially to the morbidity, mortality, and cost related to infection in the ICU...
June 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28577923/using-adenosine-tri-phosphate-bioluminescence-to-validate-decontamination-of-endoscopes
#14
Elizabeth Gillespie
The reports of outbreaks involving carbapenemase resistant enterobacteriaceae (CRE) associated with gastrointestinal endoscopy prompted a review and study of a novel method of assessing cleaning. We used adenosinetriphosphate (ATP) bioluminescence to demonstrate cleanliness prior to endoscopy. We compared ATP testing with microbiological monitoring for 127 endoscopes. Samples were taken after cleaning, reprocessing and storage, but immediately before the endoscopy procedure. We recommend implementing ATP testing prior to endoscopy procedures as an alternative to microbiological testing at periodic intervals...
May 31, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28562752/phenotypic-methods-for-screening-carbapenem-resistant-enterobacteriaceae-and-assessment-of-their-antimicrobial-susceptibility-profile
#15
Danielly da Costa Silva, Roberta Filipini Rampelotto, Vinícius Victor Lorenzoni, Silvana Oliveira Dos Santos, Juliana Damer, Manfredo Hörner, Rosmari Hörner
INTRODUCTION: In this study, we used phenotypic methods to screen carbapenem-resistant Enterobacteriaceae (CREs) and evaluated their antimicrobial sensitivity profile. METHODS: One hundred and seventy-eight CREs were isolated at a university hospital in south Brazil in a one-year period. Samples were assessed using disk diffusion tests with inhibitors of β-lactamases such as phenylboronic acid (AFB), cloxacillin (CLOXA), and ethylenediaminetetraacetic acid (EDTA)...
March 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28559268/circulation-of-blakpc-3-carrying-incx3-plasmids-among-c-freundii-isolates-in-an-italian-hospital
#16
Carolina Venditti, Daniela Fortini, Laura Villa, Antonella Vulcano, Silvia D'Arezzo, Alessandro Capone, Nicola Petrosillo, Carla Nisii, Alessandra Carattoli, Antonino Di Caro
Colonisations due to carbapenem-resistant Enterobacteriaceae (CRE) are a source of antimicrobial resistance transmission in healthcare settings. Eleven Citrobacter freundii strains producing KPC-3 carbapenemase were isolated from rectal swabs during a three-year surveillance programme. In 9/11 strains, blaKPC-3-carrying plasmids were found to belong to the IncX3 group and complete nucleotide sequences were obtained for two of them. Our results highlight the possible role of C. freundii as reservoir of resistance genes...
May 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28559260/an-unusual-e-coli-pbp3-insertion-sequence-identified-from-a-collection-of-carbapenem-resistant-enterobacteriaceae-cre-tested-in-vitro-with-ceftazidime-ceftaroline-or-aztreonam-avibactam-combinations
#17
Yunliang Zhang, Ankita Kashikar, C Adam Brown, Gerald Denys, Karen Bush
Carbapenemase-producing Enterobacteriaceae isolates (n=110) from healthcare centers in central Indiana (2010-2013) were tested for susceptibility to combinations of avibactam (4 μg/ml) with ceftazidime, ceftaroline or aztreonam. MIC50/MIC90 values were 1/2 μg/ml (ceftazidime-avibactam), 0.5/2 μg/ml (ceftaroline-avibactam) and 0.25/0.5 μg/ml (aztreonam-avibactam.) A β-lactam MIC of 8 μg/ml was reported for the three combinations against one Escherichia coli isolate with an unusual TIPY insertion following Tyr344 in penicillin-binding protein 3 (PBP3) as the result of gene duplication...
May 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28538846/-clinical-and-microbiological-study-of-catheter-associated-urinary-tract-infections-in-internal-medicine-services-of-a-venezuelan-university-hospital
#18
Pedro Quijada-Martínez, Ana Flores-Carrero, Indira Labrador, María Araque
Objectives: To determine the clinical and microbiological characteristics of catheter-associated urinary tract infections (CA-UTI) in patients admitted to the Internal Medicine services of the Hospital Universitario de Los Andes (HULA), Mérida, Venezuela and to establish the clonal distribution of multi-resistant Enterobacteriaceae that produce this infection. Materials and Methods: Seventy-three adult patients with bladder catheterization were studied between January and July 2015...
January 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28537547/increasing-proportion-of-carbapenemase-producing-enterobacteriaceae-and-emergence-of-a-mcr-1-producer-through-a-multicentric-study-among-hospital-based-and-private-laboratories-in-belgium-from-september-to-november-2015
#19
Te Din Huang, Pierre Bogaerts, Catherine Berhin, Martin Hoebeke, Caroline Bauraing, Youri Glupczynski
Carbapenemase-producing Enterobacteriaceae (CPE) strains have been increasingly reported in Belgium. We aimed to determine the proportion of CPE among Enterobacteriaceae isolated from hospitalised patients and community outpatients in Belgium in 2015. For the hospitalised patients, the results were compared to a previous similar survey performed in the same hospitals in 2012. Twenty-four hospital-based and 10 private laboratories collected prospectively 200 non-duplicated Enterobacteriaceae isolates from clinical specimens...
May 11, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28526792/environmental-spread-of-ndm-1-producing-multi-drug-resistant-bacteria-in-dhaka-bangladesh
#20
Mohammad Aminul Islam, Moydul Islam, Rashedul Hasan, M Iqbal Hossain, Ashikun Nabi, Mahdia Rahman, Wil H F Goessens, Hubert P Endtz, Alexandria B Boehm, Shah M Faruque
Resistance to carbapenem antibiotics through the production of New Delhi Metallo-β-lactamase-1 (NDM-1) constitutes an emerging challenge in the treatment of bacterial infections. To monitor possible source of spread of these organisms in Dhaka, Bangladesh, we conducted comparative analysis of waste water samples from hospital adjacent areas (HAR) and from community areas (COM) as well as public tap water samples for the occurrence and characteristics of NDM-1 producing bacteria. Of 72 HAR samples tested 51 (71%) were positive for NDM-1-producing bacteria as evidenced by phenotypic tests and the presence of blaNDM-1 gene, compared to 5 of 41 (12...
May 19, 2017: Applied and Environmental Microbiology
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