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Carbapenemase resistant enterobacteriacea

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https://www.readbyqxmd.com/read/29150373/chromagar-msupercarba-and-rapidec%C3%A2-carba-np-test-for-detection-of-carbapenemase-producing-enterobacteriaceae
#1
Meritxell Garcia-Quintanilla, Laurent Poirel, Patrice Nordmann
A novel chromogenic medium CHROMagar mSuperCARBA was evaluated to detect carbapenem-resistant Gram-negatives. This medium is as sensitive and as specific as the SUPERCARBA medium for detecting KPC, MBL and OXA-48-type producers (100% and 100%, respectively) and is compatible with subsequent testing of carbapenemase activity using the RAPIDEC(®) CARBA NP.
October 19, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29144958/isolation-of-blandm-producing-enterobacteriaceae-in-a-public-hospital-in-salvador-bahia-brazil
#2
Maria Goreth Barberino, Silvia de Araujo Cruvinel, Célio Faria, Marco Aurélio Salvino, Márcio Oliveira
Carbapenemases have great importance in the global epidemiological scenario since infections with carbapenemase-producing bacteria are associated with high mortality, especially in hospitalized patients in intensive care units. This study describes two microorganisms producers of the New Delhi Metallo-b-lactamase (NDM), Klebsiella pneumoniae and Citrobacter freundii, from two patients admitted to a public hospital in Salvador, Bahia. These are the first clinical cases of NDM described in microorganisms in the north and northeast Brazil...
November 13, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29141402/-epidemiology-of-the-carbapenemase-producing-enterobacteriaceae-spread-in-a-community-acute-hospital-and-a-non-acute-rehabilitation-hospital-in-madrid
#3
M López-Dosil, C Bischofberge, D Sáez, C García-Picazo
OBJECTIVE: In Spain, the overall prevalence of carbapenem-resistant Enterobacteriaceae (CRE) is increasing. We describe the epidemiological, clinical and microbiological characteristics features of patients with colonization or infection due to CRE in two hospitals in the north-west of Madrid during two years. One hospital was a community acute hospital and the second one was a non-acute rehabilitation hospital. METHODS: A total of 197 CPE isolates were detected during 2013-2014...
November 14, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/29141051/molecular-and-epidemiological-characterization-of-carbapenemase-producing-enterobacteriaceae-in-norway-2007-to-2014
#4
Ørjan Samuelsen, Søren Overballe-Petersen, Jørgen Vildershøj Bjørnholt, Sylvain Brisse, Michel Doumith, Neil Woodford, Katie L Hopkins, Bettina Aasnæs, Bjørg Haldorsen, Arnfinn Sundsfjord
The prevalence of carbapenemase-producing Enterobacteriaceae (CPE) is increasing worldwide. Here we present associated patient data and molecular, epidemiological and phenotypic characteristics of all CPE isolates in Norway from 2007 to 2014 confirmed at the Norwegian National Advisory Unit on Detection of Antimicrobial Resistance. All confirmed CPE isolates were characterized pheno- and genotypically, including by whole genome sequencing (WGS). Patient data were reviewed retrospectively. In total 59 CPE isolates were identified from 53 patients...
2017: PloS One
https://www.readbyqxmd.com/read/29134129/comparison-of-clinical%C3%A2-laboratory-standards-institute-standards-in-antimicrobial-susceptibility-among-the-carbapenemase-producing-enterobacteriaceae
#5
Fidelis Enyinnaya, Patricia Cruz, Mark P Buttner, Chad Cross, David R Woodard
Aim: Carbapenems are antibiotics reserved for treatment of severe infections. Carbapenem antimicrobial susceptibility testing profiles were determined in a population of Klebsiella pneumoniae, and their resistance assessed based on previous and current Clinical and Laboratory Standards Institute criteria. Materials & methods: Isolates were examined using an automated antimicrobial susceptibility testing method, and real time polymerase chain reaction to detect the resistance (blaKPC) gene...
November 2017: Future Science OA
https://www.readbyqxmd.com/read/29133570/activity-of-simulated-human-dosage-regimens-of-meropenem-and-vaborbactam-against-carbapenem-resistant-enterobacteriaceae-in-an-in-vitro-hollow-fiber-model
#6
Mojgan Sabet, Ziad Tarazi, Debora Rubio-Aparicio, Thomas G Nolan, Jonathan Parkinson, Olga Lomovskaya, Michael N Dudley, David C Griffith
The objective of these studies was to evaluate the exposures of meropenem and vaborbactam that would produce antibacterial activity and prevent resistance development in carbapenem-resistant, Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae strains when tested at an inocula of 10(8) CFU/mL. Thirteen K. pneumoniae isolates, three Enterobacter cloacae isolates, and one Escherichia coli isolate were examined in an in vitro hollow fiber model over 32 hours. Simulated dosage regimens of meropenem 1-2 g with vaborbactam 1-2 g, meropenem administered every 8 hours by 3 hour infusion based on Phase 1 or Phase 3 patient pharmacokinetic data were studied in the model...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29133551/copper-ions-and-coordination-complexes-as-novel-carbapenem-adjuvants
#7
Karrera Y Djoko, Maud E S Achard, Minh-Duy Phan, Alvin W Lo, Manfredi Miraula, Sasiprapa Prombhul, Steven J Hancock, Kate M Peters, Hanna Sidjabat, Patrick N Harris, Nataša Mitić, Timothy R Walsh, Gregory J Anderson, William M Shafer, David L Paterson, Gerhard Schenk, Alastair G McEwan, Mark A Schembri
Carbapenem-resistant Enterobacteriaceae are an urgent threat to global human health. These organisms produce β-lactamases with carbapenemase activity, such as the metallo-β-lactamase NDM-1, which is notable due to its association with mobile genetic elements and the lack of a clinically useful inhibitor. Here we examined the ability of copper to inhibit the activity of NDM-1 and explored the potential of a copper coordination complex as a mechanism to efficiently deliver copper as an adjuvant in clinical therapeutics...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29113933/spread-of-klebsiella-pneumoniae-st395-non-susceptible-to-carbapenems-and-resistant-to-fluoroquinolones-in-north-eastern-france
#8
Anaëlle Muggeo, Thomas Guillard, Frédéric Klein, Fany Reffuveille, Caroline François, Anamaria Babosan, Odile Bajolet, Xavier Bertrand, Christophe de Champs
Fluoroquinolones (FQ) are potential treatments to treat infections from extended-spectrum β-lactamase producing-Enterobacteriaceae susceptible to FQ. Due to increasing non-susceptibility to carbapenems among Enterobacteriaceae, we characterized FQ resistance mechanisms in 36 Klebsiella pneumoniae isolates that are non-susceptible to ertapenem in North-Eastern France in 2012 and described the population structure by pulsed field gel electrophoresis (PFGE) and multi-locus sequence typing (MLST). Among them, 36% (13/36) carried a carbapenemase encoding-gene...
November 4, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29111353/clinical-factors-predicting-persistent-carriage-of-kpc-producing-carbapenem-resistant-enterobacteriaceae-among-patients-with-known-carriage
#9
Yong Kyun Kim, Sae Am Song, Jeong Nyeo Lee, Minkyung Oh, Kyeong Min Jo, Hyo-Jung Kim, Jae Ha Lee, Jin-Han Park, Hang-Jea Jang, Hyeon-Kuk Kim, Sungmin Kiem
BACKGROUND: Information on the natural duration of carbapenem-resistant Enterobacteriaceae (CRE) carriage and factors associated with persistence of carriage is limited. AIM: To evaluate the clinical variables associated with persistent carriage of Klebsiella pneumoniae carbapenemase (KPC)-producing CRE. METHODS: We retrospectively reviewed data for patients admitted between June 2015 and December 2016 who were identified as KPC-producing CRE carriers by either rectal swabs or clinical cultures...
October 27, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29110143/pharmacological-aspects-and-spectrum-of-action-of-ceftazidime-avibactam-a-systematic-review
#10
REVIEW
Felipe Francisco Tuon, Jaime L Rocha, Marcelo R Formigoni-Pinto
PURPOSE: Ceftazidime-avibactam is an antimicrobial association active against several Enterobacteriaceae species, including those resistant to carbapenem. Considering the importance of this drug in the current panorama of multidrug-resistant bacteria, we performed a systematic review about ceftazidime-avibactam with emphasis on clinical and pharmacological published data. METHODS: A systematic search of the medical literature was performed. The databases searched included MEDLINE, EMBASE and Web of Science (until September 2017)...
November 7, 2017: Infection
https://www.readbyqxmd.com/read/29108951/automated-time-lapse-microscopy-a-novel-method-for-screening-of-antibiotic-combination-effects-against-multidrug-resistant-gram-negative-bacteria
#11
Wanchana Ungphakorn, Pernilla Lagerbäck, Elisabet I Nielsen, Thomas Tängdén
OBJECTIVES: Antibiotic combinations are often used for carbapenemase-producing Enterobacteriaceae (CPE) but more data are needed on the optimal selection of drugs. This study aimed to evaluate the feasibility of a novel automated method based on time-lapse microscopy (the oCelloScope, Philips BioCell A/S, Allerød, Denmark) to determine in vitro combination effects against CPE and to discuss advantages and limitations of the oCelloScope in relation to standard methods. METHODS: Four Klebsiella pneumoniae and two Escherichia coli were exposed to colistin, meropenem, rifampin and tigecycline, alone and in combination...
November 3, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29099915/carbapenem-resistant-enterobacteriaceae-cre-detection-practices-in-california-what-are-we-missing
#12
Romney M Humphries, Janet A Hindler, Erin Epson, Sam Horwich-Scholefield, Loren G Miller, Job Mendez, Jeremias B Martinez, Jacob Sinkowitz, Darren Sinkowtiz, Christina Hershey, Patricia Marquez, Sandeep Bhaurla, Marcelo Moran, Lindsey Pandes, Dawn Terashita, James A McKinnell
Background: The Clinical and Laboratory Standards Institute (CLSI) revised carbapenem breakpoints for the Enterobacteriaceae in 2010. The number of hospitals that adopted revised CLSI breakpoints and the clinical impact of delayed adoption has not been previously explored. Methods: We performed a cross-sectional, voluntary survey of microbiology laboratories that serve California acute care hospitals and long-term acute care hospitals (LTAC) to determine use of revised CLSI breakpoints...
November 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29091224/in-vitro-activity-of-plazomicin-against-%C3%AE-lactamase-producing-carbapenem-resistant-enterobacteriaceae-cre
#13
Yunliang Zhang, Ankita Kashikar, Karen Bush
Background: Carbapenem-resistant Enterobacteriaceae (CRE) represent an urgent threat because few drugs are available to treat infections caused by these pathogens. Plazomicin is a novel aminoglycoside that recently completed a Phase 3 clinical trial for treatment of infections caused by CRE. Methods: A set of 110 characterized unique CRE patient isolates from central Indiana healthcare centres was tested by microbroth dilution for susceptibility to plazomicin, and to reference aminoglycosides and carbapenems...
October 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29090680/vim-1-carbapenemase-producing-escherichia-coli-isolated-from-retail-seafood-germany-2016
#14
Nicole Roschanski, Sebastian Guenther, Thi Thu Tra Vu, Jennie Fischer, Torsten Semmler, Stephan Huehn, Thomas Alter, Uwe Roesler
Carbapenems belong to the group of last resort antibiotics in human medicine. Therefore, the emergence of growing numbers of carbapenemase-producing bacteria in food-producing animals or the environment is worrying and an important concern for the public health sector. In the present study, a set of 45 Enterobacteriaceae isolated from German retail seafood (clams and shrimps), sampled in 2016, were investigated by real-time PCR for the presence of carbapenemase-producing bacteria. One Escherichia coli (ST10), isolated from a Venus clam (Ruditapes philippinarum) harvested in the Mediterranean Sea (Italy), contained the carbapenemase gene blaVIM-1 as part of the variable region of a class I integron...
October 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29076442/-carbapenemase-producing-enterobacteriaceae-in-the-netherlands-unnoticed-spread-to-several-regions
#15
T Leenstra, T Bosch, A L Vlek, M J M Bonten, I M van der Lubben, S C de Greeff
- Carbapenemase producing Enterobacteriaceae (CPE), including Klebsiella pneumoniae and Escherichia coli, are only sporadically seen in the Netherlands and then mainly in patients who have been transferred from foreign hospitals.- CPE are resistant to virtually all beta-lactam antibiotics, including carbapenems, e.g., meropenem and imipenem. Several genes, e.g., OXA-48, KPC and NDM-1, code for carbapenemase enzymes that deactivate carbapenems.- Control of CPE focuses on timely identification of patients who are infected or are carriers and the application of preventive measures to prevent spread...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29075539/successful-treatment-of-klebsiella-pneumoniae-harboring-a-klebsiella-pneumoniae-carbapenemase-isolated-from-lumbar-wound-infection-and-blood-in-a-patient-with-hardware-retention
#16
Alan Bulbin, Carol Bono, Tena Philp, Noriel Mariano, Carl Urban
Infections caused by carbapenem-resistant Enterobacteriaceae, especially carbapenemase producing Klebsiella pneumoniae, represent an urgent threat as outlined by the Centers for Disease Control and Prevention (CDC). We present a 66-year-old male with spinal stenosis who underwent elective L2-pelvis posterior spinal fusion at an outside institution and rapidly developed a complicated infection with Klebsiella pneumoniae harboring Klebsiella pneumoniae carbapenemase. This is the first described case of a patient with Klebsiella pneumoniae harboring Klebsiella pneumoniae carbapenemase causing postoperative lumbar wound infection and bacteremia, successfully treated with ceftazidime-avibactam in combination with additional synergistic antibacterials and without hardware removal...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/29074053/optimal-detection-of-carbapenemase-producing-enterobacteriaceae-from-rectal-samples-a-role-for-enrichment
#17
H Ciesielczuk, L M Phee, H Dolphin, M Wilks, B P Cherian, D W Wareham
BACKGROUND: Successful laboratory detection of carbapenemase-producing Enterobacteriaceae (CPE) in patient surveillance samples is a diagnostic challenge. In the absence of a gold standard for screening rectal swabs for CPE many phenotypic, genotypic, culture and non-culture based assays have been proposed for identifying these bacteria. AIM: To develop and optimise a CPE screening protocol capable of identifying all commonly encountered CPE, including those producing OXA-48-like carbapenemases...
October 23, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29071814/extensively-drug-resistant-escherichia-coli-sequence-type-1642-carrying-an-incx3-plasmid-containing-the-blakpc-2-gene-associated-with-transposon-tn4401a
#18
Seri Jeong, Jung Ok Kim, Eun Jeong Yoon, Il Kwon Bae, Woonhyoung Lee, Hyukmin Lee, Yongjung Park, Kyungwon Lee, Seok Hoon Jeong
BACKGROUND: Extensively drug-resistant (XDR) Enterobacteriaceae carrying the bla(KPC) gene have emerged as a major global therapeutic concern. The purpose of this study was to analyze the complete sequences of plasmids from KPC-2 carbapenemase-producing XDR Escherichia coli sequence type (ST) 1642 isolates. METHODS: We performed antimicrobial susceptibility testing, PCR, multilocus sequence typing (MLST), and whole-genome sequencing to characterize the plasmid-mediated KPC-2-producing E...
January 2018: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/29070653/rapid-detection-of-carbapenemase-production-in-enterobacteriaceae-using-a-modified-paper-strip-carba-np-method
#19
Pak-Leung Ho, Ya Wang, Cindy Wing-Sze Tse, Kitty Sau-Chun Fung, Vincent Ch-Chung Cheng, Rodney Lee, Wing-Kin To, Raymond Wai-Man Lai, Wei-Kwang Luk, Tak-Lun Que, Dominic Ngai-Chong Tsang
Rapid and accurate detection of carbapenemase-producing Enterobacteriaceae (CPE) is important for preventing their spread in healthcare settings. We compared the performance of the Carba NP test using the CLSI tube method with that using a modified paper strip method for detection of carbapenemase in 390 Enterobacteriaceae isolates. The isolates were identified by Hong Kong's carbapenem-resistant Enterobacteriaceae surveillance program in 2016 and comprised 213 CPE and 177 carbapenemase-negative Enterobacteriaceae Molecular genotype was used as the reference...
October 25, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29064133/-double-carbapenem-and-oral-fosfomycin-for-the-treatment-of-complicated-urinary-tract-infections-caused-by-blandm-harboring-enterobacteriaceae-in-kidney-transplantation
#20
Rossana Rosa, Susan D Rudin, Laura J Rojas, Andrea M Hujer, Armando Perez-Cardona, Federico Perez, Robert A Bonomo, Octavio Martinez, Lilian M Abbo, Jose F Camargo
Infections with carbapenemase-producing carbapenem-resistant Enterobacteriaceae represent an emergent problem worldwide. Treatment of infections caused by New Delhi metallo-beta-lactamase (NDM)-harboring Enterobacteriaceae is particularly challenging as it frequently involves the use of nephrotoxic agents, which is problematic in kidney transplant recipients and non-renal transplants with marginal kidney function. We present two cases of urinary tract infections caused by NDM-harboring Enterobacteriaceae successfully treated with a combination of "double carbapenem" and oral fosfomycin...
October 24, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
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