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https://www.readbyqxmd.com/read/28437228/first-case-of-ndm-1-producing-klebsiella-pneumoniae-in-annaba-university-hospital-algeria
#1
Amel Abderrahim, Nassima Djahmi, Charlotte Pujol, Sabina Nedjai, Mohamed Cherif Bentakouk, Djamila Kirane-Gacemi, Mazouz Dekhil, Albert Sotto, Jean-Philippe Lavigne, Alix Pantel
AIM: The aim of this study was to characterize two carbapenem-resistant Klebsiella pneumoniae isolates recovered from urine samples in a patient hospitalized at Annaba University hospital (Algeria) in 2014. RESULTS: Two K. pneumoniae isolates were studied because they proved resistant to almost all antibiotics tested with a high level resistance to ertapenem (minimum inhibitory concentration = 32 mg/L). The results of modified Hodge test and combined disk test (ROSCO Diagnostica, Taastrup, Denmark) were positive...
February 22, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28432959/molecular-dynamics-simulation-studies-of-novel-%C3%AE-lactamase-inhibitor
#2
Farhan Ul Haq, Asma Abro, Saad Raza, Klaus R Liedl, Syed Sikander Azam
New Delhi Metallo-β-Lactamase-1 (NDM-1) has drawn great attention due to its diverse antibiotic resistant activity. It can hydrolyze almost all clinically available β-lactam antibiotics. To inhibit the activity of NDM-1 a new strategy is proposed using computational methods. Molecular dynamics (MD) simulations are used to analyze the molecular interactions between selected inhibitor candidates and NDM-1 structure. The enzyme-ligand complex is subject to binding free energy calculations using MM(PB/GB)SA methods...
April 4, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28427734/comparison-of-outcomes-and-prognosis-of-patients-with-versus-without-newly-diagnosed-diabetes-mellitus-after-primary-percutaneous-coronary-intervention-for-st-elevation-myocardial-infarction-the-horizons-ami-study
#3
Konstanze Ertelt, Sorin J Brener, Roxana Mehran, Ori Ben-Yehuda, Thomas McAndrew, Gregg W Stone
A history of diabetes mellitus (DM) is an independent predictor for adverse events in patients with acute ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention. Outcomes of patients with STEMI and newly diagnosed DM (NDM) are less well described. We used the Harmonizing Outcomes with Revascularization and Stents in Acute Myocardial Infarction (HORIZONS-AMI) trial database to identify the outcomes at 30 days and 3 years according to no, known, and NDM in patients with STEMI...
March 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28420242/high-prevalence-of-ndm-metallo-%C3%AE-lactamase-among-esbl-producing-escherichia-coli-%C3%A4-solates
#4
Yeliz Çetinkol, Cemal Sandalli, Mustafa Kerem Çalgin, Arzu Altunçekiç Yildirim, Esma Akyildiz, Esin Karaman, Ayşegül Çopur Çiçek
Resistance to β-lactams in Enterobacteriaceae has been increasing worldwide. This study aimed to determine the frequency of β-lactamase genes and antibiotic resistance rates of 140 extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolates obtained from urinary tract infection in Ordu Province, Turkey. Isolates were identified by classic methods and by automated system. ESBL production was confirmed by double disk synergy test and antimicrobial susceptibility was investigated by disk diffusion method...
April 19, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/28417918/high-prevalence-of-blandm-1-blavim-qace-and-qace%C3%AE-1-genes-and-their-association-with-decreased-susceptibility-to-antibiotics-and-common-hospital-biocides-in-clinical-isolates-of-acinetobacter-baumannii
#5
Fatma Alzahraa M Gomaa, Zeinab H Helal, Mazhar I Khan
The objective of this study was to evaluate the susceptibility of metallo-β-lactamase (MBL)-producing Acinetobacter baumannii (A. baumannii) clinical isolates to biocides. We also determined the prevalence and correlation of efflux pump genes, class 1 integron and MBL encoding genes. In addition, blaVIM, blaNDM-1, qacE and qacEΔ1 nucleotide sequence analysis was performed and compared to sequences retrieved from GenBank at the National Center for Biotechnology Information database. A. baumannii had a resistance rate to carbapenem of 71...
April 12, 2017: Microorganisms
https://www.readbyqxmd.com/read/28416558/in-vitro-discordance-with-in-vivo-activity-humanized-exposures-of-ceftazidime-avibactam-aztreonam-and-tigecycline-alone-and-in-combination-against-new-delhi-metallo-%C3%AE-lactamase-producing-klebsiella-pneumoniae-in-a-murine-lung-infection-model
#6
M L Monogue, L M Abbo, R Rosa, J F Camargo, O Martinez, R A Bonomo, D P Nicolau
The management of infections with New Delhi Metallo-beta-lactamase-1 (NDM) producing bacteria remains clinically challenging given the multi-drug resistant (MDR) phenotype associated with these bacteria. Despite resistance in vitro, ceftazidime-avibactam previously demonstrated in vivo activity against NDM+ Enterobacteriaceae. Herein, we observed in vitro synergy with ceftazidime-avibactam and aztreonam against a MDR K. pneumoniae harboring NDM. In vivo, humanized doses of ceftazidime-avibactam monotherapy resulted in > 2 log10CFU bacterial reduction, therefore, no in vivo synergy was observed...
April 17, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28416364/-implementation-of-nurse-demand-managment-in-primary-health-care-service-providers-in-catalonia
#7
Alba Brugués Brugués, Irene Cubells Asensio, Gemma Flores Mateo
OBJECTIVE: To describe and analyse the implementaction of nurse demand managment (NDM) among health care providers in Catalonia from 2005 to 2014. DESIGN: Cross sectional survey. Participants All service providers in Catalonia (n=37). Main measurements Interviews with nurse manager of each health care provides about ht barriers and facilitators concerning NDM. Facilitators and barriers were classified into 3 types: (i)health professional (competence, attitudes, motivation for change and individual characteristics); (ii)social context (patients and companions), and (iii)system related factors (organization and structure, economic incentives)...
April 14, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28411227/fate-and-persistence-of-a-pathogenic-ndm-1-positive-escherichia-coli-strain-in-anaerobic-and-aerobic-sludge-microcosms
#8
David Mantilla-Calderon, Pei-Ying Hong
The presence of emerging biological pollutants in treated wastewater effluents has gained attention due to increased interest in water reuse. To evaluate the effectiveness of the removal of such contaminants by the conventional wastewater treatment process, the fate and decay kinetics of NDM-1-positive Escherichia coli strain PI7 and its plasmid-encoded antibiotic resistance genes (ARGs) were assessed in microcosms of anaerobic and aerobic sludge. Results showed that E. coli PI7 decayed at a significantly slower rate under anaerobic conditions...
April 14, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28411078/performance-of-the-xpert-%C3%A2-carba-r-v2-in-the-daily-workflow-of-a-hygiene-unit-in-a-country-with-a-low-prevalence-of-carbapenemase-producing-enterobacteriaceae
#9
Yannick Hoyos, Souad Ouzani, Laurent Dortet, Nicolas Fortineau, Thierry Naas
Early detection of patients colonised with carbapenemase-producing Enterobacteriaceae (CPE) is crucial for implementing proper infection control measures. Here we evaluated the biological performance of the Xpert(®) Carba-R v2 (Cepheid) in the daily workflow of a hygiene unit in a country with a low CPE prevalence. Patients repatriated from countries known for high CPE prevalence or contact patients of a known CPE carrier were targeted as being 'high-risk patients' for CPE carriage. Between September 2015 and March 2016, 241 'high-risk patients' for CPE carriage were screened using the Xpert(®) Carba-R v2 and by plating on chromID(®) CARBA Smart medium (bioMérieux) with and without ertapenem-containing enrichment culture for 24 h...
April 12, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28404680/development-and-validation-of-a-lateral-flow-immunoassay-for-the-rapid-detection-of-ndm-producing-enterobacteriaceae
#10
Hervé Boutal, Thierry Naas, Karine Devilliers, Saoussen Oueslati, Laurent Dortet, Sandrine Bernabeu, Stéphanie Simon, Hervé Volland
The global spread of carbapenemase-producing Enterobacteriaceae (CPE) that are often resistant to most, if not all, classes of antibiotics is a major public health concern. NDM-1 carbapenemase is among the most worrisome carbapenemases given its rapid worldwide spread. We have developed and evaluated a lateral flow immunoassay (LFIA, called NDM LFIA) for rapid and reliable detection of NDM-like carbapenemase-producing Enterobacteriaceae from culture colonies.We evaluated the NDM LFIA using 175 reference enterobacterial isolates with characterized ß-lactamase gene content and 74 non-duplicate consecutive carbapenem-resistant clinical isolates referred for expertise to the French National Reference Center (NRC) for antibiotic resistance during a one-week period (in June 2016)...
April 12, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28403363/microbiological-lipid-and-immunological-profiles-in-children-with-gingivitis-and-type-1-diabetes-mellitus
#11
Cristiane Duque, Mariana Ferreira Dib João, Gabriela Alessandra da Cruz Galhardo Camargo, Gláucia Schuindt Teixeira, Thamiris Santana Machado, Rebeca de Souza Azevedo, Flávia Sammartino Mariano, Natália Helena Colombo, Natália Leal Vizoto, Renata de Oliveira Mattos-Graner
Objective: The aim of this study was to compare the prevalence of periodontal pathogens, systemic inflammatory mediators and lipid profiles in type 1 diabetes children (DM) with those observed in children without diabetes (NDM), both with gingivitis. Material and methods: Twenty-four DM children and twenty-seven NDM controls were evaluated. The periodontal status, glycemic and lipid profiles were determined for both groups. Subgingival samples of periodontal sites were collected to determine the prevalence of periodontal microorganisms by PCR...
March 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28402500/evaluation-of-the-aid-carbapenemase-line-probe-assay-for-rapid-detection-and-identification-of-carbapenemase-genes-in-gram-negative-bacilli
#12
Guido V Bloemberg, Andrea Braun-Kiewnick, Jan Tedrup, Carla Meijerink, Elena Durer, Claudia Ritter, Peter M Keller, Michael Hombach
Objectives: This study evaluated the AID carbapenemase line probe assay (LPA) for the detection and identification of carbapenem resistance genes in Enterobacteriaceae and other Gram-negative bacilli (GNB) using bacterial cultures and DNA extracts directly from patient urine samples. Methods: The AID carbapenemase LPA detects 13 different carbapenemase genes. Test probe accuracy was verified for using clinical Enterobacteriaceae isolates harbouring bla KPC , bla VIM , bla NDM , bla GIM , bla AIM , bla SPM , bla IMP and bla OXA-48 and a well-characterized set of Escherichia coli DH5α strains transformed with the vector plasmid pUC57- kan harbouring bla BIC , bla SIM , bla DIM , bla IMI-3 , bla IMI-1 and bla NMC-A ...
April 11, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28395597/genome-sequencing-and-comparative-analysis-of-an-ndm-1-producing-klebsiella-pneumoniae-st15-isolated-from-a-refugee-patient
#13
Tamara Salloum, Harout Arabaghian, Sahar Alousi, Edmond Abboud, Sima Tokajian
The escalating problem of antibiotic resistance, specifically cabarpenemase and extended-spectrum β-lacatamase (ESBL) producing K. pneumoniae strains, is directly correlated with increased patient morbidity and mortality and prolonged hospitalization and costs. In this study, a comprehensive genomic analysis encompassing the resistomics, virulence repertoire and mobile genetic elements of an NDM-1 positive ESBL-producing K. pneumoniae EA-MEH ST15 isolated from a urine sample collected from a Syrian refugee was conducted...
April 11, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28394873/effects-of-percutaneous-coronary-intervention-on-viable-myocardium-and-heart-function-of-diabetic-patients-with-chronic-total-occlusion
#14
Guowei Zhou, Wenyi Yang, Liang Li
OBJECTIVE: The aim of this study was to compare the effects of percutaneous coronary intervention (PCI) on coronary chronic total occlusion patients with (DM) or without (NDM) diabetes mellitus. METHODS: A total of 78 patients were divided into DM group and NDM group according to whether the patient has DM. The results of PCI were analyzed using quantitative coronary analysis. In addition, all the patients underwent Tc-MIBI (methoxyisobutylisonitrile) single-photon emission computed tomography (SPECT) and ultrasonic cardiogram in the first week and the sixth month after PCI to evaluate PCI results...
April 7, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28386246/virulence-and-genomic-feature-of-a-virulent-klebsiella-pneumoniae-sequence-type-14-strain-of-serotype-k2-harboring-blandm-5-in-china
#15
Yan-Fang Mei, Pan-Pan Liu, La-Gen Wan, Yang Liu, Lian-Hui Wang, Dan-Dan Wei, Qiong Deng, Xian-Wei Cao
The objective of this study was to reveal the molecular mechanism involved in carbapenem resistance and virulence of a K2 Klebsiella pneumoniae clinical isolate 24835. The virulence of the strain was determined by in vitro and in vivo methods. The de novo whole-genome sequencing technology and molecular biology methods were used to analyze the genomic features associated with the carbapenem resistance and virulence of K. pneumoniae 24835. Strain 24835 was highly resistant to carbapenems and belonged to ST14, exhibited hypermucoviscous and unique K2-aerobactin-kfu-rmpA positive phenotype...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28384185/evaluation-of-a-modified-meropenem-hydrolysis-assay-on-a-large-cohort-of-kpc-and-vim-carbapenemase-producing-enterobacteriaceae
#16
Adriana Calderaro, Mirko Buttrini, Maddalena Piergianni, Sara Montecchini, Monica Martinelli, Silvia Covan, Giovanna Piccolo, Maria Cristina Medici, Maria Cristina Arcangeletti, Carlo Chezzi, Flora De Conto
Carbapenem-resistant Enterobacteriaceae (CRE) have spread globally and represent a serious and growing threat to public health. The introduction of rapid and sensitive methods for the detection of carbapenemase-producing bacteria is of increasing importance. The carbapenemase production can be detected using non-molecular methods (such as the modified Hodge test, the synergy test, the Carba NP test and the antibiotic hydrolysis assays) and DNA-based methods. In this study, we propose a modified version of a previously described meropenem hydrolysis assay (MHA) by MALDI-TOF MS for the phenotypic detection in 2h of carbapenemase-producing Enterobacteriaceae...
2017: PloS One
https://www.readbyqxmd.com/read/28369469/prospective-evaluation-of-the-okn-k-set-assay-a-new-multiplex-immunochromatographic-test-for-the-rapid-detection-of-oxa-48-like-kpc-and-ndm-carbapenemases
#17
Youri Glupczynski, Agnès Jousset, Stéphanie Evrard, Rémy A Bonnin, Te-Din Huang, Laurent Dortet, Pierre Bogaerts, Thierry Naas
Objectives: There is an urgent need for accurate and fast diagnostic tests capable of identifying carbapenemase producers. Here, we assessed the performance of a new multiplex lateral flow assay (OKN K -SeT) for the rapid detection of OXA-48-like, KPC and NDM carbapenemase-producing Enterobacteriaceae from culture colonies. Methods: Two hundred collection isolates with characterized β-lactamase content and 183 non-duplicate consecutive isolates referred to two National Reference Centres over a 2 month period in 2016 were used to evaluate the OKN K -SeT assay...
March 22, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28362308/hydrochemical-characteristics-of-natural-water-and-selenium-rich-water-resources-in-the-northern-daba-mountains-china
#18
Chao Zhao, Kunli Luo, Yajun Du, Yuan Tian, Jie Long, Xiaofeng Zhao, Shixi Zhang
The Northern Daba Mountains (NDM) of Shaanxi Province, China, are a well-known selenium (Se)-rich area, and the area is also known for endemic fluorine (F) and arsenic (As) poisoning. In order to study the hydrochemical characteristics and trace element contents of the natural waters of this region, 62 water samples were collected from Lan'gao area in the NDM. The hydrochemical composition was principally characterized by Ca·Mg-HCO3·SO4. F and As concentrations ranged from 0.01 to 0.67 mg/L and from 0.33 to 6...
April 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28357923/performance-of-carbanp-and-cim-tests-in-oxa-48-carbapenemase-producing-enterobacteriaceae
#19
Serap Süzük Yıldız, Banu Kaşkatepe, Havva Avcıküçük, Şükran Öztürk
This study applied two phenotypic tests, namely "Carbapenemase Nordmann-Poirel" (CarbaNP) test and "Carbapenem Inactivation Method" (CIM), against the isolates carrying the carbapenem resistance genes. The study included 83 carbapenem-resistant Enterobacteriaceae isolates producing oxacillinase-48 (OXA-48) and 30 carbapenem-sensitive Enterobacteriaceae isolates. Out of the total isolates studied, 77 isolates (92.77%) were identified as Klebsiella pneumoniae and six isolates (7.23%) were identified as Escherichia coli by Matrix Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry...
March 1, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/28350539/personalized-precision-medicine-in-extreme-preterm-infants-with-transient-neonatal-diabetes-mellitus
#20
Ranjit I Kylat, Rajan Senguttuvan, Mohammed Y Bader
Although hyperglycemia is common in neonates, especially preterm infants, a diagnosis of neonatal diabetes mellitus (NDM) is rarely made. NDM can be permanent (45%), transient (45%) or syndromic (10%). Of the 95% of identifiable mutations for NDM, methylation defects in 6q24, KCNJ11, ABCC8, and INS account for the majority. Two cases of transient NDM in extremely preterm, 24 weeks' gestational age (GA) triplets, due to a missense mutation c.685G>A in the KCNJ11 gene are presented. Both patients were successfully transitioned from insulin to Glyburide (Glibenclamide) at 2 months of age...
March 28, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
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