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Carbapenemase screening

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https://www.readbyqxmd.com/read/29351668/evaluation-of-the-rapid-carbapenem-inactivation-method-rcim-a-phenotypic-screening-test-for-carbapenemase-producing-enterobacteriaceae
#1
Madalina-Maria Muntean, Andrei-Alexandru Muntean, Lauraine Gauthier, Elodie Creton, Garance Cotellon, Mircea Ioan Popa, Rémy A Bonnin, Thierry Naas
Objectives: Fast and accurate diagnostic tests to identify carbapenemase-producing Enterobacteriaceae (CPE) are mandatory for proper antimicrobial therapy and implementing infection control measures. Here, we have developed a rapid Carbapenem Inactivation Method (rCIM) for CPE detection. Methods: The rCIM consists of the incubation of a potential carbapenemase producer with meropenem discs and use of the resulting supernatant to challenge a susceptible indicator strain...
January 16, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29346622/a-nosocomial-foodborne-outbreak-of-a-vim-carbapenemase-expressing-citrobacter-freundii
#2
Mathias W Pletz, Antje Wollny, Ute-Heike Dobermann, Jürgen Rödel, Svetlana Neubauer, Claudia Stein, Christian Brandt, Anita Hartung, Alexander Mellmann, Sabine Trommer, Birgit Edel, Vladimir Patchev, Oliwia Makarewicz, Jens Maschmann
Background: A foodborne outbreak of VIM carbapenemase-expressing Citrobacter freundii (CPC) occurred between February and June 2016 at a major university hospital in Germany. Methods: An explosive increase of CPC isolated from rectal swabs of patients during weekly routine screening led to the declaration of an outbreak. A hospital-wide prevalence screening was initiated as well as screening of all patients on admission and before transfer to another ward, and canteen staff, patient rooms, medical and kitchen inventory and food...
January 15, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29344351/endemic-carbapenem-nonsusceptible-acinetobacter-baumannii-calcoaceticus-complex-in-intensive-care-units-of-the-national-referral-hospital-in-jakarta-indonesia
#3
Yulia Rosa Saharman, Anis Karuniawati, Rudyanto Sedono, Dita Aditianingsih, Pratiwi Sudarmono, Wil H F Goessens, Corné H W Klaassen, Henri A Verbrugh, Juliëtte A Severin
Background: Carbapenem-nonsusceptible A. baumannii-calcoaceticus complex have emerged worldwide, but the epidemiology in Indonesian hospitals has not been studied. Methods: A prospective observational study was performed on the intensive care units (ICUs) of the national referral hospital in Jakarta-Indonesia, in 2013 and 2014. All consecutive adult patients admitted and hospitalized for >48 h in ICUs were included. Basic and clinical data at admission were recorded...
2018: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/29344099/audit-of-the-management-of-patients-at-high-risk-of-carbapenemase-producing-enterobacteriaceae-cpe-are-we-ready
#4
Lasantha Ratnayake, Amy Harris, Doreen Ko, Linda Hawtin
Background: Incidence of carbapenemase-producing enterobacteriaceae (CPE) in the UK is increasing. In 2013, Public Health England (PHE) published a toolkit to control spread of CPE within healthcare settings. Aim: To assess compliance to hospital CPE policy (adapted from PHE) in the identification, isolation and screening of suspected CPE patients. Methods: Admission booklets of 150 patients were evaluated to see whether the relevant section had been completed to identify high-risk CPE patients...
November 2017: Journal of Infection Prevention
https://www.readbyqxmd.com/read/29340588/antimicrobial-resistant-klebsiella-pneumoniae-carriage-and-infection-in-specialized-geriatric-care-wards-linked-to-acquisition-in-the-referring-hospital
#5
Claire L Gorrie, Mirjana Mirceta, Ryan R Wick, Louise M Judd, Kelly L Wyres, Nicholas R Thomson, Richard A Strugnell, Nigel F Pratt, Jill S Garlick, Kerrie M Watson, Peter C Hunter, Steve A McGloughlin, Denis W Spelman, Adam W J Jenney, Kathryn E Holt
Background: Klebsiella pneumoniae is a leading cause of extended-spectrum beta-lactamase (ESBL) producing hospital-associated infections, for which elderly patients are at increased risk. Methods: We conducted a 1-year prospective cohort study, in which a third of patients admitted to two geriatric wards in a specialized hospital were recruited and screened for carriage of K. pneumoniae by microbiological culture. Clinical isolates were monitored via the hospital laboratory...
January 11, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29312831/translating-genomics-into-practice-for-real-time-surveillance-and-response-to-carbapenemase-producing-enterobacteriaceae-evidence-from-a-complex-multi-institutional-kpc-outbreak
#6
Jason C Kwong, Courtney R Lane, Finn Romanes, Anders Gonçalves da Silva, Marion Easton, Katie Cronin, Mary Jo Waters, Takehiro Tomita, Kerrie Stevens, Mark B Schultz, Sarah L Baines, Norelle L Sherry, Glen P Carter, Andre Mu, Michelle Sait, Susan A Ballard, Torsten Seemann, Timothy P Stinear, Benjamin P Howden
Background: Until recently, Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae were rarely identified in Australia. Following an increase in the number of incident cases across the state of Victoria, we undertook a real-time combined genomic and epidemiological investigation. The scope of this study included identifying risk factors and routes of transmission, and investigating the utility of genomics to enhance traditional field epidemiology for informing management of established widespread outbreaks...
2018: PeerJ
https://www.readbyqxmd.com/read/29305547/evaluation-of-the-amplidiag-carbar-vre-kit-for-the-accurate-detection-of-carbapenemase-producing-bacteria
#7
Saoussen Oueslati, Delphine Girlich, Laurent Dortet, Thierry Naas
As carbapenemase-producing Gram-negative bacilli (CP-GNB) (Enterobacteriaceae, Pseudomonadaceae and Acinetobacter spp.) are becoming a major public health issue, there is an urgent need for accurate and fast diagnostic tests. Amplidiag® Carba-R+VRE assay is a multiplex nucleic acid-based in-vitro diagnostic test intended for the detection of CP-GNB and vancomycin resistant enterococci (VRE) from cultured colonies.We have evaluated its ability to detect carbapenemases genes in 100 well-characterized GNB, and in 200 consecutive enterobacterial isolates with reduced susceptibility to carbapenems and that were referred to the French National Reference Center for carbapenem-resistance...
January 5, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29280429/case-report-carbapenemase-producing-enterobacteriaceae-in-an-asylum-seeker-with-multidrug-resistant-tuberculosis
#8
Sofanne J Ravensbergen, Christina Louka, Mariëtte Lokate, Erik Bathoorn, Spyros Pournaras, Tjip S van der Werf, Wiel C M de Lange, Ymkje Stienstra, Onno W Akkerman
A Syrian asylum seeker with multidrug-resistant tuberculosis (TB) developed a bronchopleural fistula after pneumonectomy. Although screening tests were negative on admission, carbapenemase-producing Enterobacteriaceae were cultured after a few months of TB treatment. Prevalence of multidrug-resistant organisms is reported to be increased in asylum seekers compared with the general Dutch population. Arduous conditions during transit and interrupted health care delivery in our patient led to multiple-resistant microorganisms that complicated treatment...
December 26, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29277142/carriage-of-multidrug-resistant-bacteria-among-pediatric-patients-before-and-during-their-hospitalization-in-a-tertiary-pediatric-unit-in-tunisia
#9
Miniar Tfifha, Asma Ferjani, Manel Mallouli, Nesrine Mlika, Saoussen Abroug, Jalel Boukadida
The pandemic spread of multidrug-resistant (MDR) bacteria (i.e., methicillin-resistant Staphylococcus aureus (MRSA), extended-spectrum b-lactamase-producing Enterobacteriaceae (ESBLPE), vancomycin-resistant enterococci, carbapenemase-producing Enterobacteriaceae (CPE), multiresistant Pseudomonas aeruginosa and multiresistant Acinetobacter baumannii) pose a threat to healthcare Worldwide. We found limited data of MDR bacteria in pediatric patients hospitalized in Tunisian tertiary healthcare.The aim of the study is to evaluate the acquisition rate of MDR acquisition during hospitalization and to explore some of the associated risk factors for both carriage and acquisition at the pediatric department, Sahloul University Hospital...
December 2018: Libyan Journal of Medicine
https://www.readbyqxmd.com/read/29248418/evaluation-of-the-modified-carbapenem-inactivation-method-for-the-detection-of-carbapenemase-producing-enterobacteriaceae
#10
Tomokazu Kuchibiro, Masaru Komatsu, Katsutoshi Yamasaki, Tatsuya Nakamura, Hisaaki Nishio, Isao Nishi, Keigo Kimura, Makoto Niki, Tamotsu Ono, Noriyuki Sueyoshi, Machiko Kita, Kaneyuki Kida, Masanobu Ohama, Kaori Satoh, Hirofumi Toda, Tetsu Mizutani, Nozomi Fukuda, Kana Sawa, Isako Nakai, Tomomi Kofuku, Tamaki Orita, Hideo Watari, Satoshi Shimura, Saori Fukuda, Akihiro Nakamura, Yasunao Wada
Carbapenemase-producing Enterobacteriaceae (CPE) are increasing worldwide. Rapid and accurate detection of CPE is necessary for appropriate antimicrobial treatment and hospital infection control. However, CPE contains some strains that are difficult to detect depending on genotype and MIC value of carbapenem, and a detection method has not been established. The recently reported modified carbapenem inactivation method (mCIM) has been developed in CLSI M100-S27 as a phenotypic technique for detecting carbapenemase activity...
December 13, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29176971/occurrence-of-extended-spectrum-%C3%AE-lactamases-kpc-type-and-mcr-1-2-producing-enterobacteriaceae-from-wells-river-water-and-wastewater-treatment-plants-in-oltrep%C3%A3-pavese-area-northern-italy
#11
Mariasofia Caltagirone, Elisabetta Nucleo, Melissa Spalla, Francesca Zara, Federica Novazzi, Vittoria M Marchetti, Aurora Piazza, Ibrahim Bitar, Marica De Cicco, Stefania Paolucci, Giorgio Pilla, Roberta Migliavacca, Laura Pagani
To evaluate the water compartment antibiotic-resistance contamination rates, 11 wells, five streams, and four treatment plants located in the Oltrepò Pavese area were screened for the presence of third generation cephalosporins resistant Gram-negative bacteria. Enterobacteriaceae were also characterized for the Extended-Spectrum-β-Lactamases (ESBLs), carbapenemases, and mcr-1 genes presence. From December 2014 to November 2015, 246 water samples were filtered, plated on Plate Count Agar, MacConkey Agar, and MacConkey Agar with cefotaxime...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29175034/characterization-of-blaoxa-538-a-new-variant-of-blaoxa-48-in-shewanella-xiamenensis-isolated-from-river-water-in-algeria
#12
Rima Tafoukt, Thongpan Leangapichart, Linda Hadjadj, Sofiane Bakour, Seydina M Diene, Jean-Marc Rolain, Abdelaziz Touati
BACKGROUND: We investigate the presence of the carbapenemase genes in Shewanella xiamenensis strains isolated from River water in Bejaia, Algeria. METHODS: Four isolates of S.xiamenensis were isolated from Soummam River water and identified both by matrix-assisted laser desorption ionization time-of-flight mass spectrometry and sequencing of the 16S rRNA and gyrB genes. Isolates were subjected to antimicrobial susceptibility testing. Production of carbapenemases was screened using phenotypical tests...
November 23, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29174735/comparative-study-of-3-carbapenem-hydrolysis-methods-for-the-confirmation-of-carbapenemase-production-in-enterobacteriaceae
#13
Ohad Shalom, Amos Adler
The goals of the study were to examine the analytic and performance parameters of 2 commercial rapid carbapenem-hydrolysis assays, the β-CARBA test (Bio-Rad) and the Rapid CARB Blue Kit (ROSCO) in comparison with an in-house CARBA NP assay for the detection of Carbapenemase-Producing Enterobacteriaceae (CPE). Their performance was evaluated following growth on 2 chromogenic CPE screening media. The sensitivity was highest (91%) in the β-CARBA test when used from the mSuperCARBA™ plates and was lowest when the same test was used from the chromID™ CARBA plates (75%)...
October 19, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29168466/new-delhi-metallo-%C3%AE-lactamase-type-carbapenemases-producing-escherichia-coli-isolates-from-hospitalized-patients-a-pilot-study
#14
Shyam Sunder Grover, Ananya Doda, Nupur Gupta, Inderjeet Gandhoke, Jyoti Batra, Charoo Hans, Shashi Khare
BACKGROUND & OBJECTIVES: Resistances to carbapenem group of antimicrobials among Escherichia coli due to production of carbapenemases, especially the New Delhi metallo-β-lactamase (NDM) types, pose serious challenges in the treatment of infections in healthcare settings. This study was undertaken to detect NDM producing E. coli isolates from hospitalized patients with urinary tract infection (UTI). METHODS: A total of 30 non-repetitive isolates of E. coli from hospitalized patients with clinical suspicion of UTI were subjected to antimicrobial susceptibility testing...
July 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29165508/-test-evaluation-and-strategy-proposal-to-detect-and-to-characterize-carbapenemase-producing-gram-negative-bacilli
#15
Constanza Muñoz, Cecilia Zumarán, Tamara González, Aniela Wozniak, Claudia Castillo, Patricia García
INTRODUCTION: The detection of carbapenemase-producing gram negative bacilli is complicated, because there are available multiple options of test. The confirmation of the enzyme by molecular characterization is not available in all laboratories in our country. OBJECTIVE: To propose a fast, efficient and simple strategy to detect and confirm CPB. MATERIALS AND METHODS: 39 CPB isolates and 8 non-producing were used to evaluate the phenotypic test Carba NP, CarbAcineto NP and Blue-Carba, validating the test Xpert® Carba-R, to be used directly with bacterial colonies with conventional PCR...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/29165152/detection-of-antibiotic-resistant-acinetobacter-baumannii-in-various-hospital-environments-potential-sources-for-transmission-of-acinetobacter-infections
#16
Zahra Shamsizadeh, Mahnaz Nikaeen, Bahram Nasr Esfahani, Seyed Hamed Mirhoseini, Maryam Hatamzadeh, Akbar Hassanzadeh
BACKGROUND: Antibiotic resistant Acinetobacter baumannii has emerged as one of the most problematic hospital acquired pathogens around the world. This study was designed to investigate the presence of antibiotic resistant A. baumannii in various hospital environments. METHODS: Air, water and inanimate surface samples were taken in different wards of four hospitals and analyzed for the presence of A. baumannii. Confirmed A. baumannii isolates were analyzed for antimicrobial susceptibility and also screened for the presence of three most common OXA- type carbapenemase-encoding genes...
May 8, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29162494/prevalence-of-multidrug-resistant-organisms-in-migrant-children-admitted-to-an-italian-cardiac-surgery-department-2015-2016
#17
E Costa, M Tejada, P Gaia, M Cornetta, A Moroni, E Carfora, R Valaperta, C De Siena, N Moussaidi, G Isgrò, A Frigiola
Screening on hospital admission to identify multidrug-resistant organism (MDRO) colonization is a frequently discussed topic. We report the results of microbiological screening in 141 Italian and 354 migrant children candidates for cardiac surgery conducted in 2015-2016. In all, 25% of Italian children and more than 65.4% of African and Romanian children carried at least one MDRO (meticillin-resistant Staphylococcus aureus; extended-spectrum β-lactamase enzymes; carbapenemase producers; and vancomycin-resistant enterococci)...
November 18, 2017: Journal of Hospital Infection
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
#18
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
#19
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/29138113/prevalence-of-extended-spectrum-beta-lactamase-and-carbapenemase-encoding-genes-in-poultry-feces-from-algeria-and-marseille-france
#20
Chabou Selma, Leulmi Hamza, Davoust Bernard, Aouadi Atef, Jean-Marc Rolain
OBJECTIVE: The aim of this study was to evaluate the prevalence of extended-spectrum beta lactamase (ESBLs) and carbapenemase-encoding genes in poultry from Algeria and Marseille, France. MATERIALS AND METHODS: The samples consisted of feces from broilers from France and Algeria between 2014 and 2015. DNA extraction and quantitative PCR were performed on 833 fecal samples to screen for the presence of ESBLs (TEM, SHV, CTX-M) and carbapenemase-encoding genes (NDM, OXA48, OXA58)...
November 11, 2017: Journal of Global Antimicrobial Resistance
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