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Ertapenem

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https://www.readbyqxmd.com/read/27890667/investigation-of-carbapenem-resistance-and-the-first-identification-of-klebsiella-pneumoniae-carbapenemase-kpc-enzyme-among-escherichia-coli-isolates-in-turkey-a-prospective-study
#1
Mert Ahmet Kuskucu, Asiye Karakullukcu, Mailihaba Ailiken, Barıs Otlu, Bilgul Mete, Gokhan Aygun
BACKGROUND: The aim of this study was to determine the presence of carbapenem resistance and carbapenemase production in Escherichia coli isolates from clinical samples in Turkey. METHODS: The prospective study included a total of 4.052 Escherichia coli isolates collected from patients admitted to a hospital from March 2011 to May 2012. We used ertapenem disc for screening carbapenemase production, and the confirmation was performed by using Etest. The resistance mechanisms and genetic relatedness of the carbapenem resistant strains were investigated by using PCR (polymerase chain reaction) and pulsed-field gel electrophoresis (PFGE), respectively...
November 23, 2016: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/27867083/trends-in-antimicrobial-resistance-among-bacteroides-species-and-parabacteroides-species-in-the-united-states-from-2010-2012-with-comparison-to-2008-2009
#2
REVIEW
D R Snydman, N V Jacobus, L A McDermott, E J C Goldstein, L Harrell, S G Jenkins, D Newton, R Patel, D W Hecht
The susceptibility trends for Bacteroides fragilis and related species against various antibiotics were determined using data from 3 years of surveillance (2010-2012) on 779 isolates referred by 7 medical centers. The antibiotic test panel included imipenem, ertapenem, meropenem, ampicillin-sulbactam, piperacillin-tazobactam, cefoxitin, clindamycin, moxifloxacin, tigecycline, linezolid, chloramphenicol and . MICs were determined using the agar dilution CLSI reference method. Carbapenem resistance remained low (range 1...
November 17, 2016: Anaerobe
https://www.readbyqxmd.com/read/27866753/-molecular-epidemiology-of-carbapenemase-producing-enterobacteriaceae-infection-colonisation-in-a-hospital-in-madrid
#3
Patricia Brañas, Marta Gil, Jennifer Villa, María Ángeles Orellana, Fernando Chaves
INTRODUCTION: A description is presented on the molecular epidemiology of carbapenemase-producing enterobacteriaceae infection in a tertiary hospital. MATERIAL AND METHODS: A study was made on all the carbapenemase-producing enterobacteriaceae isolations obtained between February 2015 and March 2016 in the Hospital Universitario 12 de Octubre (Madrid). Phenotypic and molecular methods were used. RESULTS: A total of 7 bacterial species were identified, with the majority being Klebsiella pneumoniae (K...
November 17, 2016: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/27851857/assessing-the-efficacy-and-safety-of-eravacycline-vs-ertapenem-in-complicated-intra-abdominal-infections-in-the-investigating-gram-negative-infections-treated-with-eravacycline-ignite-1-trial-a-randomized-clinical-trial
#4
Joseph Solomkin, David Evans, Algirdas Slepavicius, Patrick Lee, Andrew Marsh, Larry Tsai, Joyce A Sutcliffe, Patrick Horn
Importance: Eravacycline is a novel, fully synthetic fluorocycline antibiotic of the tetracycline class with in vitro activity against clinically important gram-negative, gram-positive aerobic, and facultative bacteria including most of those resistant to cephalosporins, fluoroquinolones, β-lactam/β-lactamase inhibitors, multidrug resistant strains and carbapenem-resistant Enterobacteriaceae, and most anaerobic pathogens. Objective: To evaluate the efficacy and safety of eravacycline compared with ertapenem in adult hospitalized patients with complicated intra-abdominal infections (cIAIs)...
November 16, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27836633/evaluation-of-automated-time-lapse-microscopy-for-assessment-of-in-vitro-activity-of-antibiotics
#5
Wanchana Ungphakorn, Christer Malmberg, Pernilla Lagerbäck, Otto Cars, Elisabet I Nielsen, Thomas Tängdén
This study aimed to evaluate the potential of a new time-lapse microscopy based method (oCelloScope) to efficiently assess the in vitro antibacterial effects of antibiotics. Two E. coli and one P. aeruginosa strain were exposed to ciprofloxacin, colistin, ertapenem and meropenem in 24-h experiments. Background corrected absorption (BCA) derived from the oCelloScope was used to detect bacterial growth. The data obtained with the oCelloScope were compared with those of the automated Bioscreen C method and standard time-kill experiments and a good agreement in results was observed during 6-24h of experiments...
November 9, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27802107/clonal-spread-of-colistin-resistant-klebsiella-pneumoniae-coproducing-kpc-and-vim-carbapenemases-in-neonates-at-a-tunisian-university-hospital
#6
Hajer Battikh, Chiraz Harchay, Amal Dekhili, Khaoula Khazar, Fehima Kechrid, Meriem Zribi, Afef Masmoudi, Chedlia Fendri
In this study, we have attempted to report the first clonal spread of colistin-resistant Klebsiella pneumoniae coproducing KPC and VIM carbapenemases in the neonatal unit of Rabta Teaching Hospital of Tunis (Tunisia). This retrospective study was performed from January 1, 2014 to December 31, 2014 in the Microbiology Laboratory at the Rabta University Hospital of Tunis. Twenty-one nonreplicate colistin-resistant K. pneumoniae were isolated from 19 patients hospitalized in the neonatal unit and 2 patients in the adult intensive care unit (ICU)...
November 1, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27795367/population-pharmacokinetics-and-target-attainment-of-ertapenem-in-plasma-and-tissue-assessed-via-microdialysis-in-morbidly-obese-patients-after-laparoscopic-visceral-surgery
#7
Mathias Wittau, Stephan Paschke, Max Kurlbaum, Jan Scheele, Neang S Ly, Evelyn Hemper, Marko Kornmann, Doris Henne-Bruns, Jürgen B Bulitta
Ertapenem provides broad-spectrum activity against many pathogens relevant for prophylaxis and treatment of infections in morbidly obese patients undergoing surgery. However, its pharmacokinetics and tissue penetration in these patients are not well defined. We assessed the population pharmacokinetics and target attainment for ertapenem in plasma, subcutaneous tissue and peritoneal fluid of morbidly obese patients. Six female patients (BMI: 43.7-55.9 kg/m(2)) received 1,000mg ertapenem as 15-min infusions at 0 and 26h...
October 17, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27788691/outbreak-of-kpc-3-producing-st15-and-st348-klebsiella-pneumoniae-in-a-portuguese-hospital
#8
D Vubil, R Figueiredo, T Reis, C Canha, L Boaventura, G J DA Silva
To date, only a few sporadic cases of infections due to Klebsiella pneumoniae carbapenemase (KPC) producers have been reported in Portugal. Here, we report for the first time an outbreak of K. pneumoniae KPC-3 producers in a tertiary-care hospital during 2013. Twenty-seven ertapenem-resistant K. pneumoniae were identified in patients at a tertiary-care hospital during 2013 isolated predominantly from urine (48·1%) and blood (25·9%) cultures. All isolates were highly resistant to β-lactam antibiotics and most showed intermediate resistance to imipenem...
October 28, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27773498/comparative-pharmacodynamics-of-four-different-carbapenems-in-combination-with-polymyxin-b-against-carbapenem-resistant-acinetobacter-baumannii
#9
Justin R Lenhard, Jonathan S Gall, Jurgen B Bulitta, Visanu Thamlikitkul, Cornelia B Landersdorfer, Alan Forrest, Roger L Nation, Jian Li, Brian T Tsuji
The objective of this study was to determine the comparative pharmacodynamics of four different carbapenems in combination with polymyxin B (PMB) against carbapenem-resistant Acinetobacter baumannii isolates using time-kill experiments at two different inocula. Two A. baumannii strains (03-149-1 and N16870) with carbapenem minimum inhibitory concentrations (MICs) ranging from 8 to 64 mg/L were investigated in 48-h time-kill experiments using starting inocula of 10(6) CFU/mL and 10(8) CFU/mL. Concentration arrays of ertapenem, doripenem, meropenem and imipenem at 0...
September 20, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27754776/first-description-of-kpc-2-producing-escherichia-coli-and-st15-oxa-48-positive-klebsiella-pneumoniae-in-tunisia
#10
Farah Ben Tanfous, Carla Andrea Alonso, Wafa Achour, Laura Ruiz-Ripa, Carmen Torres, Assia Ben Hassen
The aim of this study was to investigate the molecular features among Klebsiella pneumoniae and Escherichia coli strains showing a resistant/intermediate-resistant phenotype to ertapenem (R/IR-ERT), implicated in colonization/infection in patients of the Hematology and Graft Units of the National Bone Marrow Transplant Center of Tunisia (3-year period, 2011-2014). The major carbapenemase, extended-spectrum beta-lactamase, and plasmidic AmpC beta-lactamase genes were analyzed and characterized by PCR and sequencing...
October 18, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27747899/safety-and-efficacy-of-outpatient-parenteral-antibiotic-therapy-in-an-academic-infectious-disease-clinic
#11
G Suleyman, R Kenney, M J Zervos, A Weinmann
WHAT IS KNOWN AND OBJECTIVE: Outpatient parenteral therapy (OPAT) has become a safe and effective modality for patients requiring intravenous or prolonged antimicrobial therapy since the 1970s. It is being increasingly utilized in various settings; however, studies evaluating the safety and efficacy of clinic-based OPAT are limited. Since 2012, patients being considered for OPAT have required an infectious disease (ID) consultation at our institution. Candidates receiving once-daily antimicrobials who were ineligible for home infusion or nursing home placement as determined by their insurance companies and those who preferred the clinic over nursing home or home infusion were referred to the ID clinic...
October 16, 2016: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/27747731/status-epilepticus-and-delirium-associated-with-ertapenem-in-a-very-elderly-patient-with-chronic-kidney-disease-and-silent-ischaemic-cerebrovascular-disease
#12
Huimin Lin, Samuel T H Chew
An 85-year-old female with chronic kidney disease and newly acquired seizures on oral phenytoin received intravenous ertapenem 500 mg once daily for a urinary tract infection and bacteraemia involving extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli. After three ertapenem doses, she developed seizures which self-aborted. Corrected phenytoin level was sub-therapeutic initially, but became therapeutic following a phenytoin dose increase. On Day 14 of ertapenem, the patient suffered another episode of seizure...
December 2015: Drug Saf Case Rep
https://www.readbyqxmd.com/read/27736757/effect-of-high-n-acetylcysteine-concentrations-on-antibiotic-activity-against-a-large-collection-of-respiratory-pathogens
#13
Giulia Landini, Tiziana Di Maggio, Francesco Sergio, Jean-Denis Docquier, Gian Maria Rossolini, Lucia Pallecchi
The effect of high N-acetylcysteine (NAC) concentrations (10 and 50 mM) on antibiotic activity against 40 strains of respiratory pathogens was investigated. NAC compromised the activity of carbapenems (of mostly imipenem and, to lesser extents, meropenem and ertapenem) in a dose-dependent fashion. We demonstrated chemical instability of carbapenems in the presence of NAC. With other antibiotics, 10 mM NAC had no major effects, while 50 mM NAC sporadically decreased (ceftriaxone and aminoglycosides) or increased (penicillins) antibiotic activity...
December 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27731567/ertapenem-induced-acute-interstitial-nephritis-ain-in-a-case-of-protein-s-deficiency-and-factor-v-leiden-mutation-with-deep-vein-thrombosis
#14
Nitin Rathod, Pavan Pai
We present a case of 58 years old male patient, who presented with high fever for which injection Ertapenem was started empirically at Dubai hospital. Patient was a known case of Deep vein thrombosis of left leg since 5 years on warfarin therapy. Patient came to India for high fever and further management. Patient developed proteinuria with high creatinine and urinary abnormalities. Renal biopsy revealed acute interstitial nephritis (AIN). In addition, he was diagnosed to have protein S deficiency with Factor V Leiden mutation...
March 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27725012/molecular-detection-of-carbapenemase-producing-genes-in-referral-enterobacteriaceae-in-south-africa-a-short-report
#15
O Perovic, E Britz, V Chetty, A Singh-Moodley
Molecular confirmation of carbapenemase-producing Enterobacteriaceae (CPE) was introduced in South Africa (SA) at the end of 2011. We report on the detection of these resistance genes based on referral isolates. Enterobacteriaceae with non-susceptibility to any of the carbapenems according to defined criteria for antimicrobial susceptibility testing results were sent to a reference laboratory. A proportion of isolates had limited demographic, epidemiological and clinical data available. Organism identification was reconfirmed using reference laboratory methods, and the presence of carbapenemases was confirmed with a real-time polymerase chain reaction...
September 6, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27716102/antimicrobial-susceptibility-testing-in-predicting-the-presence-of-carbapenemase-genes-in-enterobacteriaceae-in-south-africa
#16
Ashika Singh-Moodley, Olga Perovic
BACKGROUND: Carbapenem-resistant Enterobacteriaceae (CRE) is a concern in South Africa and worldwide. It is therefore important that these organisms be accurately identified for infection prevention control purposes. METHOD: In this study 1193 suspected CREs from 46 laboratories from seven provinces in South Africa were assessed to confirm the prevalence of carbapenemase genes from our referral diagnostic isolates for the period 2012 to 2015. We compared the antimicrobial susceptibility testing method used in the reference laboratory to the polymerase chain reaction (PCR) which is used as the gold standard...
October 4, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27703058/distribution-of-esbls-ampc-%C3%AE-lactamases-and-carbapenemases-among-enterobacteriaceae-isolates-causing-intra-abdominal-and-urinary-tract-infections-in-the-asia-pacific-region-during-2008-14-results-from-the-study-for-monitoring-antimicrobial-resistance-trends
#17
Shio-Shin Jean, Po-Ren Hsueh
OBJECTIVES: To investigate the antimicrobial resistance and assess the molecular characteristics of β-lactamases (ESBLs, AmpC β-lactamases and carbapenemases) among Enterobacteriaceae isolates that caused intra-abdominal infections (IAIs) in patients hospitalized in the Asia-Pacific region during 2008-14. METHODS: Multiplex PCR was used to detect the specific types of β-lactamase in 2893 isolates with MICs of ertapenem >0.5 mg/L. In-hospital acquisition times for most isolates were also delineated...
October 4, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27693544/bypass-graft-infection-and-bacteremia-caused-by-anaerostipes-caccae-first-report-of-human-infection-caused-by-a-recently-described-gut-anaerobe
#18
Meklit Workneh, Frances Wang, Mark Romagnoli, Patricia J Simner, Karen Carroll
We report a case of bypass graft infection and bacteremia caused by Anaerostipes caccae. A review of the literature shows no reported human infection caused by this microorganism to date. The patient was initially treated with vancomycin and piperacillin-tazobactam on admission and with amoxicillin-clavulanate upon discharge. The slow-growing organism was subsequently found to be susceptible to metronidazole and ertapenem.
December 2016: Anaerobe
https://www.readbyqxmd.com/read/27682196/the-plasma-protein-binding-proteome-of-ertapenem-a-novel-compound-centric-proteomic-approach-for-elucidating-drug-plasma-protein-binding-interactions
#19
Mark A Baker, Elena K Schneider, Johnny X Huang, Matthew A Cooper, Jian Li, Tony Velkov
Ertapenem is an important first-line carbapenem antibiotic used for the treatment of aerobic Gram-negative bacterial infections. It is the only carbapenem that is highly bound to plasma proteins and displays a concentration-dependent and saturable plasma protein binding profile. To date the plasma components responsible for sequestering ertapenems antibacterial activity remain uncharacterised. In the present study we have employed an orthogonal, multi-platform approach, including novel compound-centric displacement proteomics and Surface Plasmon Resonance to characterise the plasma protein binding proteome of ertapenem...
September 28, 2016: ACS Chemical Biology
https://www.readbyqxmd.com/read/27680756/influence-of-different-peritoneal-dialysis-fluids-on-the-in-vitro-activity-of-cefepime-ciprofloxacin-ertapenem-meropenem-and-tobramycin-against-escherichia-coli
#20
Manuel Kussmann, Linda Schuster, Sarah Wrenger, Petra Pichler, Gottfried Reznicek, Heinz Burgmann, Wolfgang Poeppl, Markus Zeitlinger, Martin Wiesholzer
♦ BACKGROUND: Peritonitis is a major problem among patients on peritoneal dialysis (PD). The influence of diverse PD fluids on the activity of frequently used antibiotics has been insufficiently investigated. Thus, the present study set out to investigate the impact of different PD fluids on the activity of cefepime, ciprofloxacin, ertapenem, meropenem, and tobramycin against Escherichia coli. ♦ METHODS: Time-kill curves in 4 different PD fluids (Dianeal PDG4, Extraneal, Nutrineal PD4 and Physioneal 40, all Baxter Healthcare Corp...
November 2016: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
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