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https://www.readbyqxmd.com/read/28627952/clinical-efficacy-of-piperacillin-tazobactam-in-the-treatment-of-complicated-skin-and-soft-tissue-infections
#1
Kohei Takimoto, Qianzhi Wang, Daisuke Suzuki, Mitsuya Katayama, Yoshiro Hayashi
Introduction Complicated skin and soft tissue infections (cSSTIs) are skin and soft tissue infections (SSTIs) that involve deep soft tissue. cSSTIs often require surgical intervention and/or hospitalization. cSSTIs are associated with significant mortality and morbidity, and carry a significant burden on health care systems. Piperacillin/tazobactam has been regarded as a standard treatment for cSSTIs because of its antibiotic spectrum, safety and clinical efficacy. Several antibiotics, as compared to piperacillin/tazobactam, have been evaluated in the treatment of cSSTIs...
June 19, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28619105/patterns-of-antimicrobial-resistance-in-intensive-care-unit-patients-a-study-in-vietnam
#2
Giang M Tran, Thao P Ho-Le, Duc T Ha, Chau H Tran-Nguyen, Tuyet S M Nguyen, Thao T N Pham, Tuyet A Nguyen, Dung A Nguyen, Hoa Q Hoang, Ngoc V Tran, Tuan V Nguyen
BACKGROUND: Antimicrobial resistance has emerged as a major concern in developing countries. The present study sought to define the pattern of antimicrobial resistance in ICU patients with ventilator-associated pneumonia. METHODS: Between November 2014 and September 2015, we enrolled 220 patients (average age ~ 71 yr) who were admitted to ICU in a major tertiary hospital in Ho Chi Minh City, Vietnam. Data concerning demographic characteristics and clinical history were collected from each patient...
June 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28616056/ertapenem-for-multiple-%C3%AE-lactamases-producing-gram-negative-bacteria-causing-urinary-tract-infections-in-hiv-patients
#3
Marimuthu Ragavan Ramesh Kumar, Narasingam Arunagirinathan, Ramachandran Vignesh, Pachamuthu Balakrishnan, Suniti Solomon, Solomon S Sunil
No abstract text is available yet for this article.
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28605515/fri-2-carbapenemase-producing-enterobacter-cloacae-complex-in-the-uk
#4
Danièle Meunier, Jacqueline Findlay, Michel Doumith, Daniel Godoy, Claire Perry, Rachel Pike, Firza Gronthoud, Theresa Shryane, Laurent Poirel, William Welfare, Neil Woodford, Katie L Hopkins
Objectives: Detection of rarer carbapenemases is challenging, as it requires molecular assays with comprehensive coverage or the use of phenotypic methods for the detection of carbapenemase activity. We describe a new class A carbapenemase, FRI-2, in an Enterobacter cloacae complex isolate following implementation of an in-house multiplex PCR for the detection of 'rare' class A carbapenemases. Methods: MICs were determined by agar dilution. A carbapenem-resistant E...
June 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28592240/randomized-controlled-trial-of-piperacillin-tazobactam-cefepime-and-ertapenem-for-the-treatment-of-urinary-tract-infection-caused-by-extended-spectrum-beta-lactamase-producing-escherichia-coli
#5
Yu Bin Seo, Jacob Lee, Young Keun Kim, Seung Soon Lee, Jeong-A Lee, Hyo Youl Kim, Young Uh, Han-Sung Kim, Wonkeun Song
BACKGROUND: Due to limited therapeutic options, the spread of extended-spectrum beta-lactamases (ESBLs) have become a major public health concern. We conducted a prospective, randomized, open-label comparison of the therapeutic efficacy of piperacillin-tazobactam (PTZ), cefepime, and ertapenem in febrile nosocomial urinary tract infection with ESBL-producing Escherichia coli (ESBL-EC). METHODS: This study was conducted at three university hospitals between January 2013 and August 2015...
June 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28587974/a-randomized-controlled-trial-of-sitafloxacin-vs-ertapenem-as-a-switch%C3%A2-therapy-after-treatment-for-acute-pyelonephritis-caused-by-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-a-pilot-study
#6
Chitprasong Malaisri, Angsana Phuphuakrat, Arrug Wibulpolprasert, Pitak Santanirand, Sasisopin Kiertiburanakul
BACKGROUND: The overuse and misuse of carbapenems have contributed to the antibiotic resistance crisis. The role of oral fluoroquinolones as a switch therapy for the treatment of urinary tract infection from Escherichia coli (ESBL-EC) is limited. OBJECTIVE: To compare the clinical and bacteriological efficacy of sitafloxacin and ertapenem for non-bacteremic acute pyelonephritis caused by ESBL-EC. METHODS: A prospective randomized controlled trial of patients with acute pyelonephritis caused by ESBL-EC was performed as a pilot study...
June 3, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28583381/synergistic-activities-of-meropenem-double-and-triple-combinations-against-carbapenemase-producing-enterobacteriaceae
#7
Marlene Fredborg, Teis E Sondergaard, Mikala Wang
The increasing emergence of carbapenemase-producing Enterobacteriaceae poses a considerable threat to global health as only limited treatment options are available and has therefore led to efforts to discover antibiotic combination regimens effective. The aim of this study was to evaluate in vitro synergistic activity of 10 meropenem double and triple combinations against the 5 most frequently encountered carbapenemases-producing Enterobacteriaceae. Broth microdilution assays showed that the meropenem and ertapenem combination was the most efficient regimen of the double combinations tested (>5-log2 fold decrease)...
May 3, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28578254/therapeutic-drug-monitoring-of-beta-lactam-antibiotics-influence-of-sample-stability-on-the-analysis-of-piperacillin-meropenem-ceftazidime-and-flucloxacillin-by-hplc-uv
#8
Nadine Pinder, Thorsten Brenner, Stefanie Swoboda, Markus A Weigand, Torsten Hoppe-Tichy
INTRODUCTION: Therapeutic drug monitoring (TDM) is a useful tool to optimize antibiotic therapy. Increasing interest in alternative dosing strategies of beta-lactam antibiotics, e.g. continuous or prolonged infusion, require a feasible analytical method for quantification of these antimicrobial agents. However, pre-analytical issues including sample handling and stability are to be considered to provide valuable analytical results. METHODS: For the simultaneous determination of piperacillin, meropenem, ceftazidime and flucloxacillin, a high performance liquid chromatography (HPLC) method including protein precipitation was established utilizing ertapenem as internal standard...
May 22, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28555403/dissemination-of-bla-oxa-370-gene-among-several-enterobacteriaceae-species-in-brazil
#9
C M Magagnin, F P Rozales, L Antochevis, L S Nunes, A S Martins, A L Barth, J M Sampaio, A P Zavascki
OXA-370 is a recently described OXA-48 variant that has only been described in a few Enterobacter spp. and Klebsiella pneumoniae isolates. The purpose of this study is to assess the prevalence of OXA-370-producing isolates in carbapenem-nonsusceptible Enterobacteriaceae recovered from 28 hospitals from Brazil. Real-time PCR was used to determine the presence of bla NDM-1, bla KPC-2, bla VIM-type, bla GES-type, bla OXA-48-like, and bla IMP-type genes. A total of 4,451 Enterobacteriaceae were screened. The gene bla OXA-48-like was detected in 74 (2...
May 30, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28552659/antimicrobial-activity-evaluation-and-comparison-of-methods-of-susceptibility-for-klebsiella-pneumoniae-carbapenemase-kpc-producing-enterobacter-spp-isolates
#10
Daniele Zendrini Rechenchoski, Angélica Marim Lopes Dambrozio, Ana Carolina Polano Vivan, Paulo Alfonso Schuroff, Tatiane das Neves Burgos, Marsileni Pelisson, Marcia Regina Eches Perugini, Eliana Carolina Vespero
The production of KPC (Klebsiella pneumoniae carbapenemase) is the major mechanism of resistance to carbapenem agents in enterobacterias. In this context, forty KPC-producing Enterobacter spp. clinical isolates were studied. It was evaluated the activity of antimicrobial agents: polymyxin B, tigecycline, ertapenem, imipenem and meropenem, and was performed a comparison of the methodologies used to determine the susceptibility: broth microdilution, Etest(®) (bioMérieux), Vitek 2(®) automated system (bioMérieux) and disc diffusion...
May 10, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28542279/oligopeptides-as-full-length-new-delhi-metallo-%C3%AE-lactamase-1-ndm-1-inhibitors
#11
Bingzheng Shen, Chengliang Zhu, Xiang Gao, Gang Liu, Jinchun Song, Yan Yu
'Superbug' bacteria producing NDM-1 enzyme causing wide public concern were first detected in a patient who visited India in 2008. It's an effective approach to combining β-lactam antibiotics with NDM-1 inhibitor for treating NDM-1 producing strain infection. In our research, we designed ten oligopeptides, tested IC50 values against NDM-1 enzyme, determined the MIC values of synergistic antibacterial effect and explored the binding model. We found that the oligopeptides 2 (Cys-Phe) and 5 (Cys-Asp) respectively presented IC50 values of 113 μM and 68 μM and also displayed favorable synergistic effects of the inhibitors in combination with ertapenem against genetic engineering-host E...
2017: PloS One
https://www.readbyqxmd.com/read/28533245/clonal-dissemination-of-oxa-232-carbapenenase-producing-klebsiella-pneumoniae-in-neonates
#12
Dandan Yin, Dong Dong, Ke Li, Lei Zhang, Jianliang Liang, Yang Yang, Nana Wu, Yiyan Bao, Chuanqing Wang, Fupin Hu
Five OXA-232 carbapenemase-producing Klebsiella pneumoniae were isolated from neonates, belonging to the pandemic clone ST15, and co-produced blaCTX-M-15 and blaSHV-1 genes. All isolates were resistant to ertapenem (MIC>32μg/mL) and meropenem (4-8μg/mL), susceptible or intermediate to impenem (1-2μg/mL). The blaOXA-232 was located on a ColE-type transformable plasmid of 6,141 bp. To our best knowledge, this is the first report of OXA-232 carbapenemase among clinical isolates in China.
May 22, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28520867/activity-of-ceftolozane-tazobactam-against-surveillance-and-problem-enterobacteriaceae-pseudomonas-aeruginosa-and-non-fermenters-from-the-british-isles
#13
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/28511383/study-on-mics-of-tigecycline-in-clinical-isolates-of-carbapenem-resistant-enterobacteriaceae-cre-at-a-tertiary-care-centre-in-north-india
#14
Vineeta Khare, Prashant Gupta, Fareya Haider, Rehana Begum
INTRODUCTION: Members of family Enterobacteriaceae are the most common Gram-negative bacteria isolated from clinical samples. Those Enterobacteriaceae which have acquired resistance to all β-lactams antibiotics including the carbapenems are considered as Carbapenem Resistant Enterobacteriaceae (CRE). These CRE isolates are often resistant to most other classes of antimicrobials as well, making their treatment a great challenge. Tigecycline is one of the last resort antimicrobials against such multidrug resistant bacteria...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28506272/prevalence-and-clonal-relationship-of-esbl-producing-salmonella-strains-from-humans-and-poultry-in-northeastern-algeria
#15
Samia Djeffal, Sofiane Bakour, Bakir Mamache, Rachid Elgroud, Amir Agabou, Selma Chabou, Sana Hireche, Omar Bouaziz, Kheira Rahal, Jean-Marc Rolain
BACKGROUND: The aims of this study were to investigate Salmonella contamination in broiler chicken farms and slaughterhouses, to assess the antibiotic resistance profile in avian and human Salmonella isolates, and to evaluate the relationship between avian and human Extended Spectrum β-Lactamase (ESBL)-producing isolates. Salmonella was screened in different sample matrices collected at thirty-two chicken farms and five slaughterhouses. The human isolates were recovered from clinical specimens at the University Teaching Hospital of Constantine (UTH)...
May 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28505331/antimicrobial-susceptibility-of-clinical-isolates-of-neisseria-gonorrhoeae-to-alternative-antimicrobials-with-therapeutic-potential
#16
P R S Lagacé-Wiens, H J Adam, N M Laing, M R Baxter, I Martin, M R Mulvey, J A Karlowsky, D J Hoban, G G Zhanel
Background: The prevalence of MDR Neisseria gonorrhoeae is increasing globally and represents a public health emergency. Development and approval of new anti-gonococcal agents may take years. As a concurrent approach to developing new antimicrobials, the laboratory and clinical evaluation of currently licensed antimicrobials not widely used for the treatment of gonorrhoea may provide new options for the treatment of gonococcal infections. Objectives: To determine the in vitro activity of nine alternative, currently licensed and late-development antimicrobials with the potential to treat gonococcal infections against 112 clinical isolates of N...
May 12, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28480928/differential-flap-dynamics-in-l-d-transpeptidase2-from-mycobacterium-tuberculosis-revealed-by-molecular-dynamics
#17
Zeynab Fakhar, Thavendran Govender, Glenn E M Maguire, Gyanu Lamichhane, Ross C Walker, Hendrik G Kruger, Bahareh Honarparvar
Despite the advances in tuberculosis treatment, TB is still one the most deadly infectious diseases and remains a major global health quandary. Mycobacterium tuberculosis (Mtb) is the only known mycobacterium with a high content of 3→3 crosslinks in the biosynthesis of peptidoglycan, which is negligible in most bacterial species. An Mtb lacking LdtMt2 leads to alteration of the colony morphology and loss of virulence which makes this enzyme an attractive target. Regardless of the vital role of LdtMt2 for cell wall survival, the impact of ligand binding on the dynamics of the β-hairpin flap is still unknown...
May 8, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28470334/transrectal-ultrasound-guided-prostate-biopsy-in-the-era-of-increasing-fluoroquinolone-resistance-prophylaxis-with-single-dose-ertapenem
#18
Michael Seitz, Christian Stief, Raphaela Waidelich, Markus Bader, Derya Tilki
PURPOSE: The aim of the study was to compare single-dose ertapenem (ERT) with the 3-day regime of ciprofloxacin (CIP) for prophylaxis of possible infections following transrectal prostate biopsy. METHODS: Data from a consecutive group of 542 patients from January 2012 to January 2017 were retrospectively analysed. As preinterventional prophylaxis patient group A (179) received 500 mg CIP twice a day for three days, beginning on the day before the biopsy (until June 2013); group B (363) received a single dose of ERT 60 min prior to intervention...
May 3, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28449875/development-and-validation-of-a-quantitative-confirmatory-method-for-30-%C3%AE-lactam-antibiotics-in-bovine-muscle-using-liquid-chromatography-coupled-to-tandem-mass-spectrometry
#19
M Di Rocco, M Moloney, T O'Beirne, S Earley, B Berendsen, A Furey, M Danaher
A method was developed for the confirmatory and quantitative analysis of 30 β-lactam antibiotic residues in bovine muscle. The method includes 12 penicillins (amoxicillin, ampicillin, cloxacillin, dicloxacillin, mecillinam, methicillin, nafcillin, oxacillin, penicillin G, penicillin V, piperacillin, ticarcillin), 12 cephalosporins (cefacetrile, cefadroxil, cephalexin, cefalonium, cefazolin, cefoperazone, cefotaxime, cefquinome, cefuroxime, desacetyl cephapirin, desfuroylceftiofur cysteine disulfide, desfuroylceftiofur dimer), five carbapenems (biapenem, doripenem, ertapenem, imipenem, meropenem) and faropenem...
April 12, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28437228/first-case-of-ndm-1-producing-klebsiella-pneumoniae-in-annaba-university-hospital-algeria
#20
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
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