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Carbapenemase resistant enterobacteriacea

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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
#1
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/28526792/environmental-spread-of-ndm-1-producing-multi-drug-resistant-bacteria-in-dhaka-bangladesh
#2
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
https://www.readbyqxmd.com/read/28520867/activity-of-ceftolozane-tazobactam-against-surveillance-and-problem-enterobacteriaceae-pseudomonas-aeruginosa-and-non-fermenters-from-the-british-isles
#3
David M Livermore, Shazad Mushtaq, Daniele Meunier, Katie L Hopkins, Robert Hill, Rachael Adkin, Aiysha Chaudhry, Rachel Pike, Peter Staves, Neil Woodford
Background: We assessed the activity of ceftolozane/tazobactam against consecutive isolates collected in the BSAC Bacteraemia Surveillance from 2011 to 2015 and against 'problem' isolates sent to the UK national reference laboratory from July 2015, when routine testing began. Methods: Susceptibility testing was by BSAC agar dilution with resistance mechanisms identified by PCR and interpretive reading. Results: Data were reviewed for 6080 BSAC surveillance isolates and 5473 referred organisms...
May 16, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28515215/an-outbreak-of-ndm-1-producing-klebsiella-pneumoniae-in-a-dutch-hospital-with-interspecies-transfer-of-the-resistance-plasmid-and-unexpected-occurrence-in-unrelated-healthcare-centers
#4
Thijs Bosch, Suzanne P M Lutgens, Mirjam H A Hermans, Peter C Wever, Peter M Schneeberger, Nicole H M Renders, Alexander C A P Leenders, Jan A J W Kluytmans, Annelot Schoffelen, Daan Notermans, Sandra Witteveen, Erik Bathoorn, Leo M Schouls
Introduction. In the Netherlands, the number of cases with New Delhi metallo-beta-lactamase (NDM)-positive Enterobacteriaceae is low. Here, we report an outbreak of NDM-1 producing Klebsiella pneumoniae in a Dutch hospital with interspecies transfer of the resistance plasmid and unexpected occurrence in other unrelated healthcare centers (HCCs).Methods. Next-generation sequencing was performed on 250 carbapenemase-producing Enterobacteriaceae isolates including 42 NDM-positive isolates obtained from 29 persons at the outbreak site...
May 17, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28507112/mcr-1-and-oxa-48-in-vivo-acquisition-in-kpc-producing-escherichia-coli-after-colistin-treatment
#5
Racha Beyrouthy, Frederic Robin, Aude Lessene, Igor Lacombat, Laurent Dortet, Thierry Naas, Valérie Ponties, Richard Bonnet
The spread of mcr-1-encoding plasmids into carbapenem-resistant Enterobacteriaceae raises concerns about the emergence of untreatable bacteria. We report the acquisition of mcr-1 in a carbapenem- resistant E. coli after a 3-week course of colistin in a patient repatriated to France from Portugal. Whole-genome sequencing revealed that the KPC-producing E. coli strain acquired two plasmids, an IncL OXA-48-encoding plasmid and an IncX4 mcr-1-encoding plasmid. This is the first report of mcr-1 in carbapenemase-encoding bacteria in France...
May 15, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28486840/molecular-characterization-of-carbapenem-resistant-enterobacteriaceae-yields-increasing-rates-of-ndm-1-carbapenemases-and-colistin-resistance-in-an-oxa-48-endemic-area
#6
Zeynep Cizmeci, Elif Aktas, Baris Otlu, Ozlem Acikgoz, Seyhan Ordekci
We aimed to characterize carbapenem-resistant isolates in a tertiary hospital in Istanbul, Turkey, high-prevelance area for OXA-48 producers. About 76 Enterobacteriaceae clinical isolates were included. Carbapenemase production was detected by Carbapenem Inactivation Method and carbapenemase genes were investigated by PCR. The clonal relationships were evaluated by AP-PCR. Nineteen Klebsiella pneumoniae isolates were colistin resistant. About 75 isolates yielded carbapenemase by CIM. 52 OXA-48, 17 NDM-1 and 2 VIM-5 carbapenemase genes were detected...
May 9, 2017: Journal of Chemotherapy
https://www.readbyqxmd.com/read/28486169/characterization-of-oxa-48-like-producing-enterobacteriaceae-isolated-from-river-water-in-algeria
#7
Rima Tafoukt, Abdelaziz Touati, Thongpan Leangapichart, Sofiane Bakour, Jean-Marc Rolain
The spread of carbapenemase-producing Enterobacteriaceae (CPE) is a significant problem for healthcare worldwide. The prevalence of carbapenem-resistant Enterobacteriaceae (CPE) in water environments in Algeria are unknown. The aim of this study was to screen for the presence of CPE isolates in the Soummam River in Bejaia, Algeria. Isolates of Enterobacteriaceae recovered from twelve samples of river water and showing reduced susceptibility to carbapenems were included in this study. The isolates were identified by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS)...
April 30, 2017: Water Research
https://www.readbyqxmd.com/read/28485708/molecular-study-of-carbapenemase-genes-in-clinical-isolates-of-enterobacteriaceae-resistant-to-carbapenems-and-determining-their-clonal-relationship-using-pulsed-field-gel-electrophoresis
#8
Fereshteh Shahcheraghi, Mohammad Mehdi Aslani, Hassan Mahmoudi, Zahra Karimitabar, Hamid Solgi, Abbas Bahador, Mohammad Yousef Alikhani
PURPOSE: Enterobacteriaceae is a large family of Gram-negative bacteria that are considered as normal gut flora. They are the most common human pathogens. The main objective of this study was to investigate the carbapenemase genes in clinical isolates of Enterobacteriaceae resistant to carbapenem antibiotics and determine their clonal relationship using pulsed-field gel electrophoresis (PFGE). METHODOLOGY: In the present study, bacteria were isolated and identified via conventional biochemical tests and API 20NE...
May 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28479289/nationwide-surveillance-of-clinical-carbapenem-resistant-enterobacteriaceae-cre-strains-in-china
#9
Rong Zhang, Lizhang Liu, Hongwei Zhou, Edward Waichi Chan, Jiaping Li, Ying Fang, Yi Li, Kang Liao, Sheng Chen
The increasing incidence of carbapenem-resistant Enterobacteriaceae (CRE) - mediated hospital infections in China prompted a need to investigate the genetic basis of emergence of such strains. A nationwide survey was conducted in China covering a total of 1105 CRE strains collected from 25 geographical locales with results showing that acquisition of two carbapenemase genes, blaKPC-2 and blaNDM, was responsible for phenotypic resistance in 90% of the CRE strains tested (58% and 32% respectively), among which several major strain types, such as ST11 of K...
April 26, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28475792/clinical-and-molecular-epidemiology-of-carbapenem-resistant-enterobacteriaceae-among-adult-inpatients-in-singapore
#10
Kalisvar Marimuthu, Indumathi Venkatachalam, Wei Xin Khong, Tse Hsien Koh, Benjamin Pei Zhi Cherng, My Van La, Partha Pratim De, Prabha Unny Krishnan, Thean Yen Tan, Raymond Fong Kok Choon, Surinder Kaur Pada, Choong Weng Lam, Say Tat Ooi, Rama Narayana Deepak, Nares Smitasin, Eng Lee Tan, Jia Jun Lee, Asok Kurup, Barnaby Young, Nancy Tee Wen Sim, Koh Cheng Thoon, Dale Fisher, Moi Lin Ling, Brenda Ang Sze Peng, Yik-Ying Teo, Li Yang Hsu, Raymond Tzer Pin Lin, Rick Twee-Hee Ong, Jeanette Teo, Oon Tek Ng
Background: Since 2010, the incidence of carbapenem-resistant Enterobacteriaceae (CRE) has been increasing in Singapore. We analyzed the clinical and molecular epidemiology of CRE among adult inpatients in Singapore. Methods: Quarterly incidence of unique subjects (per 100000 patient-days) with positive clinical and surveillance cultures for CRE were estimated based on mandatory data submitted to the National Public Health Laboratory by public hospitals between 2010 and 2015...
May 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28458208/international-high-risk-clones-of-klebsiella-pneumoniae-kpc-2-cc258-and-escherichia-coli-ctx-m-15-cc10-in-urban-lake-waters
#11
Tatiane Nascimento, Rodrigo Cantamessa, Luana Melo, Miriam R Fernandes, Edmir Fraga, Milena Dropa, Maria I Z Sato, Louise Cerdeira, Nilton Lincopan
The emergence of high-risk clones of multidrug-resistant (MDR) bacteria in aquatic environments has generated an important public health problem, creating an urgent need to strengthen surveillance. This study reports the occurrence of clinically significant MDR Enterobacteriaceae and non-fermentative bacteria carrying carbapenemases (KPC-2), extended-spectrum β-lactamases (CTX-M) and plasmid-mediated quinolone resistance (PMQR) genes in urban lakes and reservoirs, in Southeastern Brazil. In this regard, the detection of hospital-associated lineages of KPC-2-producing Klebsiella pneumoniae belonging to the international clonal complex CC258 (ST11) and CTX-M-15-producing Escherichia coli belonging to the international CC10 (ST617), in an urban lake, is reported for the first time...
April 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28458051/emergence-and-nosocomial-spread-of-carbapenem-resistant-oxa-232-producing-klebsiella-pneumoniae-in-brunei-darussalam
#12
Muhd Haziq Fikry Abdul Momin, Apostolos Liakopoulos, Lynette M Phee, David W Wareham
OBJECTIVES: Carbapenem-resistant Enterobacteriaceae (CRE) are identified as a major global health concern. The success of CRE is facilitated by the emergence, acquisition and spread of successful clones carrying plasmid-encoded resistance genes. In this study, an outbreak of carbapenem-resistant Klebsiella pneumoniae (CRKP) infections in patients hospitalised in Brunei Darussalam was investigated. METHODS: Over a 3-month period (May-July 2015), five multidrug-resistant K...
April 27, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28457352/carbapenem-resistant-enterobacteriaceae
#13
REVIEW
Alina Iovleva, Yohei Doi
Carbapenem-resistant Enterobacteriaceae (CRE) have emerged as a major threat. Commonly used antibiotics are generally inactive against CRE. Therefore, timely detection of CRE is of paramount importance. Among CRE, those producing carbapenem-hydrolyzing β-lactamase enzymes (carbapenemase-producing Enterobacteriaceae) are particularly of concern because they tend to spread, and treatment is difficult. The carbapenemase groups most commonly encountered include KPC, NDM, and OXA-48. Treatment options are limited and include combinations of polymyxins, tigecycline, aminoglycosides, or carbapenems; newer agents with activity against CRE and better safety profiles are becoming available and will likely emerge as the preferred therapy...
June 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28449650/structure-genetics-and-worldwide-spread-of-new-delhi-metallo-%C3%AE-lactamase-ndm-a-threat-to-public-health
#14
REVIEW
Asad U Khan, Lubna Maryam, Raffaele Zarrilli
BACKGROUND: The emergence of carbapenemase producing bacteria, especially New Delhi metallo-β-lactamase (NDM-1) and its variants, worldwide, has raised amajor public health concern. NDM-1 hydrolyzes a wide range of β-lactam antibiotics, including carbapenems, which are the last resort of antibiotics for the treatment of infections caused by resistant strain of bacteria. MAIN BODY: In this review, we have discussed bla NDM-1variants, its genetic analysis including type of specific mutation, origin of country and spread among several type of bacterial species...
April 27, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28449019/the-clear-and-present-danger-of-carbapenemase-producing-enterobacteriaceae-cpe-in-new-zealand-time-for-a-national-response-plan
#15
Matthew Blakiston, Helen Heffernan, Sally Roberts, Joshua Freeman
Antimicrobial resistance (AMR) in general poses a threat to the sustainability of modern healthcare, but a particularly urgent and serious threat is posed by a specific group of antibiotic-resistant bacteria known as carbapenemase-producing Enterobacteriaceae (CPE). CPE are resistant to nearly all antibiotics and include common pathogens such as Escherichia coli and Klebsiella pneumoniae. In New Zealand, the incidence of CPE has increased from three isolates in 2012 to 45 in 2016. The current epidemiology of CPE in New Zealand has similarities with the extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE) epidemic in the early 2000s (just before ESBL-PE underwent a non-linear increase in incidence)...
April 28, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28446169/the-relative-importance-of-large-problems-far-away-versus-small-problems-closer-to-home-insights-into-limiting-the-spread-of-antimicrobial-resistance-in-england
#16
Tjibbe Donker, Katherine L Henderson, Katie L Hopkins, Andrew R Dodgson, Stephanie Thomas, Derrick W Crook, Tim E A Peto, Alan P Johnson, Neil Woodford, A Sarah Walker, Julie V Robotham
BACKGROUND: To combat the spread of antimicrobial resistance (AMR), hospitals are advised to screen high-risk patients for carriage of antibiotic-resistant bacteria on admission. This often includes patients previously admitted to hospitals with a high AMR prevalence. However, the ability of such a strategy to identify introductions (and hence prevent onward transmission) is unclear, as it depends on AMR prevalence in each hospital, the number of patients moving between hospitals, and the number of hospitals considered 'high risk'...
April 27, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28445009/evaluation-of-six-phenotypic-methods-for-the-detection-of-carbapenemases-in-gram-negative-bacteria-with-characterized-resistance-mechanisms
#17
Kunling Sun, Xiuyu Xu, Jinrong Yan, Liping Zhang
BACKGROUND: We compared the performance of the modified Hodge test (MHT), Triton Hodge test (THT), Carba NP test (CNPt), simplified Carba NP test (CNPt-direct), blue-Carba NP test (BCT), and carbapenem inactivation method (CIM) for rapid and accurate carbapenemase detection. METHODS: The methods were evaluated by using 256 gram-negative isolates, including 197 Enterobacteriaceae (79 Enterobacter spp., 74 Klebsiella spp., 33 Escherichia coli, 10 Citrobacter spp., and 1 Serratia marcescens), 51 Acinetobacter baumannii, and 8 Pseudomonas aeruginosa strains...
July 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28444620/environmental-pollution-with-antimicrobial-agents-from-bulk-drug-manufacturing-industries-in-hyderabad-south-india-is-associated-with-dissemination-of-extended-spectrum-beta-lactamase-and-carbapenemase-producing-pathogens
#18
Christoph Lübbert, Christian Baars, Anil Dayakar, Norman Lippmann, Arne C Rodloff, Martina Kinzig, Fritz Sörgel
PURPOSE: High antibiotic and antifungal concentrations in wastewater from anti-infective drug production may exert selection pressure for multidrug-resistant (MDR) pathogens. We investigated the environmental presence of active pharmaceutical ingredients and their association with MDR Gram-negative bacteria in Hyderabad, South India, a major production area for the global bulk drug market. METHODS: From Nov 19 to 28, 2016, water samples were collected from the direct environment of bulk drug manufacturing facilities, the vicinity of two sewage treatment plants, the Musi River, and habitats in Hyderabad and nearby villages...
April 26, 2017: Infection
https://www.readbyqxmd.com/read/28438939/emergence-and-evolution-of-multidrug-resistant-klebsiella-pneumoniae-with-both-blakpc-and-blactx-m-integrated-in-chromosome
#19
Weihua Huang, Guiqing Wang, Robert Sebra, Jian Zhuge, Changhong Yin, Maria E Aguero-Rosenfeld, Audrey N Schuetz, Nevenka Dimitrova, John T Fallon
The extended-spectrum β-lactamase (ESBL)- and Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae represent serious and urgent threats to public health. In a retrospective study of multidrug-resistant K. pneumoniae, we identified three clinical isolates, CN1, CR14 and NY9, carrying both blaCTX-M and blaKPC genes. The complete genomes of these three K. pneumoniae isolates were de novo assembled by using both short- and long-read whole-genome sequencing. In CR14 and NY9, blaCTX-M and blaKPC were carried on two different plasmids...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28438934/susceptibility-of-imipenem-susceptible-but-meropenem-resistant-enterobacteriaceae-carrying-blaimp-6-to-various-antibacterials-including-siderophore-cephalosporin-cefiderocol
#20
Sachi Kanazawa, Takafumi Sato, Naoki Kohira, Tsukasa Ito-Horiyama, Masakatsu Tsuji, Yoshinori Yamano
Carbapenemase-producing Enterobacteriaceae (CPE) have been spreading worldwide and are a great concern among healthcare settings (1).….
April 24, 2017: Antimicrobial Agents and Chemotherapy
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