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International Journal of Antimicrobial Agents

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https://www.readbyqxmd.com/read/29783024/a-pooled-analysis-of-the-phase-3-revive-trials-randomized-double-blind-studies-to-evaluate-the-safety-and-efficacy-of-iclaprim-versus-vancomycin-for-treatment-of-acute-bacterial-skin-and-skin-structure-infections
#1
David B Huang, G Ralph Corey, Thomas L Holland, Thomas Lodise, William O'Riordan, Mark H Wilcox, Thomas M File, Matthew Dryden, Barbara Balser, Eve Desplats, Antoni Torres
BACKGROUND: Iclaprim, a diaminopyrimidine antibiotic, was compared with vancomycin for the treatment of patients with acute bacterial skin and skin structure infections (ABSSSIs) in two studies (REVIVE-1 and REVIVE-2). OBJECTIVES: We explored the efficacy and tolerability of iclaprim in a pooled analysis of results from both studies. METHODS: REVIVE-1 and REVIVE-2 were Phase 3, double-blind, randomized (1:1), multicenter, active-controlled, non-inferiority (margin of 10%) trials, each designed to enroll 600 patients a piece with ABSSSI...
May 18, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29783023/extended-spectrum-beta-lactamase-producing-enterobacteriaceae-infections-in-haematopoietic-stem-cell-transplant-recipients-epidemiology-and-molecular-characterization
#2
Molka Kharrat, Yosra Chebbi, Farah Ben Tanfous, Amel Lakhal, Saloua Ladeb, Tarek Ben Othmen, Wafa Achour
BACKGROUND: Extended spectrum β-lactamase producing Enterobacteriaceae (ESBL-E) are feared because they generate therapeutic difficulties and have high potential for dissemination. The purpose of our study was to investigate the epidemiology of these infections in hematopoietic stem cell transplant (HSCT) recipients and to determine the genes encoding ESBL. MATERIAL/METHODS: Our retrospective study concerned adult patients hospitalized at the National Bone Marrow Transplant Center and infected with ESBL-E post HSCT between january 2006 and december 2016...
May 18, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29777759/plant-nutraceuticals-as-antimicrobial-agents-in-food-preservation-terpenoids-polyphenols-and-thiols
#3
REVIEW
Ignacio Gutiérrez-Del-Río, Javier Fernández, Felipe Lombó
Synthetic food additives generate a negative perception in consumers. Therefore, food manufacturers search for safer natural alternatives as those involving phytochemicals and plant essential oils. These bioactives have antimicrobial activities widely proved in in vitro tests. Foodborne diseases cause thousands of deaths and millions of infections every year, mainly due to pathogenic bacteria as Salmonella spp., Campylobacter spp., Escherichia coli, Bacillus cereus, Listeria monocytogenes or Staphylococcus aureus...
May 16, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29775686/the-comparative-efficacy-of-antiseptics-against-candida-auris-biofilms
#4
Ryan Kean, Emily McKloud, Eleanor M Townsend, Leighann Sherry, Christopher Delaney, Brian L Jones, Craig Williams, Gordon Ramage
Candida auris has emerged as a significant clinical entity due to its ability to cause outbreaks within the healthcare setting. A key feature of its nosocomial lifestyle is its ability to transfer between patients, yet little is known about the mechanisms behind this. A panel of C. auris clinical isolates was screened for their planktonic and sessile susceptibilities to skin disinfection challenge using povidone iodine, chlorhexidine and hydrogen peroxide. C. auris biofilms displayed increased tolerance to these strategies compared to planktonic cells...
May 15, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29775685/phenotypic-and-genetic-resistance-traits-in-pseudomonas-aeruginosa-strains-infecting-cystic-fibrosis-patients-a-french-cohort-study
#5
Nathalie Courtois, Yvan Caspar, Max Maurin
Pseudomonas aeruginosa is responsible for chronic respiratory tract colonisation and acute exacerbations in cystic fibrosis (CF) patients. This Gram-negative bacterium often develops multidrug resistance, which represents a therapeutic challenge. Our objective was to characterize the phenotypic and genetic β-lactam resistance traits of P. aeruginosa strains isolated from CF patients followed at Grenoble Alpes university hospital. The susceptibility to β-lactam compounds of 123 P. aeruginosa strains collected from the lower respiratory tract of 45 CF patients, between 2010 and 2014, was evaluated...
May 15, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29775684/virulence-determinants-biofilm-production-and-antimicrobial-susceptibility-in-staphylococcus-aureus-causing-device-associated-infections-in-a-tunisian-hospital
#6
I Mesrati, M Saidani, M Jemili, S Ferjeni, A Slim, I Boutiba-Ben Boubaker
Staphylococcus aureus is clinically relevant pathogen that cause device-related infections driven by several virulence factors. In this study we characterize S. aureus isolates involved in medical device-related infections in Tunisian patients. Forty consecutive S. aureus strains causing device-related infections (DRI group) and 47 randomly selected S. aureus strains causing non-device-related infections (NDRI group) were collected. All strains were phenotypically screened for antibiotic susceptibility and biofilm forming ability...
May 15, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29772395/safe-high-throughput-screening-of-natural-compounds-of-mers-cov-entry-inhibitors-using-a-pseudovirus-expressing-mers-cov-spike-protein
#7
LETTER
Ji Yeun Kim, Young Il Kim, So Jung Park, In Ki Kim, Young Ki Choi, Sung-Han Kim
No abstract text is available yet for this article.
May 14, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29772394/antimicrobial-resistance-and-genetic-lineages-of-faecal-enterococci-of-wild-birds-emergence-of-vana-and-vanb2-harboring-enterococcus-faecalis
#8
Houssem Ben Yahia, Sarra Chairat, Nabil Hamdi, Haythem Gharsa, Rym Ben Sallem, Sara Ceballos, Carmen Torres, Karim Ben Slama
Migrating birds have been implicated in pathogen dissemination over long-distances. The lack of data on birds' intestinal microbiota makes these animals a promising path to understand their potential role in the transmission of antibiotic resistant bacteria. This work aims to study the diversity of enterococci species and to analyze the antimicrobial resistant phenotypes/genotypes, as well as the genetic lineages of isolates obtained from faecal and pellet samples of colonial wild birds in Tunisia. Seventy-nine enterococci were recovered of 150 wild bird, after inoculation of samples in Slanetz-Bartley agar, and were identified as E...
May 14, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29772393/unexpected-mechanisms-of-resistance-in-dutch-pseudomonas-aeruginosa-isolates-collected-during-fourteen-years-of-surveillance
#9
P D Croughs, C H W Klaassen, J van Rosmalen, D M Maghdid, S A Boers, J P Hays, W H F Goessens
Pseudomonas aeruginosa is one of the most important causes of infection in the intensive care unit. It is intrinsically resistant to many antibiotics and easily acquires additional resistance genes via horizontal gene transfer of mobile genetic elements. In the present study, 1,528 P. aeruginosa isolates, obtained from a Dutch national surveillance program between the years 1998 and 2011, were analyzed for the presence of Extended Spectrum β-Lactamase (ESBL) genes blaCTX-M , blaSHV , blaTEM , blaBEL , blaPER , blaVEB , blaOXA-10 and metallo-β-Lactamase (MBL) genes blaIMP , blaVIM and blaNDM ...
May 14, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29753133/unraveling-the-mechanisms-of-nitrofurantoin-resistance-and-epidemiological-characteristics-among-escherichia-coli-clinical-isolates
#10
Xiaoxiao Zhang, Yizhi Zhang, Fang Wang, Chong Wang, Lijiang Chen, Haiyang Liu, Hong Lu, Hong Wen, Tieli Zhou
To investigate the mechanisms of nitrofurantoin resistance and epidemiological characteristics in E. coli clinical isolates, 18 (1.2%, 18/1444) nitrofurantoin-resistant E. coli strains were identified from a total of 1444 E. coli clinical strains collected from our hospital. The present study indicated that the minimum inhibitory concentration of nitrofurantoin to nitrofurantoin-resistant strains were in a range of 128 - ≥512 μg /ml. The prevalence of nfsA gene in resistant, intermediate and sensitive strains were 88...
May 9, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29753132/prevention-of-eskape-pathogen-biofilm-formation-by-antimicrobial-peptides-wlbu2-and-ll37
#11
Qiao Lin, Berthony Deslouches, Ronald C Montelaro, Y Peter Di
OBJECTIVES: Bacterial biofilm-dependent infections (e.g., cystic fibrosis, surgical sites, and medical implants) are associated with enhanced drug-resistance and thus difficult to eradicate. The goal of this study was to systematically compare three distinct classes of antimicrobial peptides (AMPs) that include the clinically used antibiotic colistin, the natural AMP LL37, the engineered cationic-AMP WLBU2, and four commonly used antibiotics with different bactericidal mechanisms (tobramycin, ciprofloxacin, ceftazidime and vancomycin) for biofilm prevention properties...
May 9, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29753131/infant-colonization-with-escherichia-coli-and-klebsiella-pneumoniae-strains-coharboring-bla-oxa-48-and-bla-ndm-1-carbapenemases-genes-a-case-report
#12
LETTER
F Monaco, G Di Mento, N Cuscino, B Douradinha, P G Conaldi
No abstract text is available yet for this article.
May 9, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29753130/clonal-dissemination-of-carbapenemase-producing-klebsiella-pneumoniae-two-distinct-sub-lineages-of-sequence-type-11-carrying-bla-kpc-2-and-bla-oxa-48
#13
Min-Chi Lu, Hui-Ling Tang, Chien-Shun Chiou, Yao-Chen Wang, Ming-Ko Chiang, Yi-Chyi Lai
OBJECTIVES: The global spread of carbapenem-resistant Klebsiella pneumoniae (CR-Kp) has become a massive threat to human health. We here investigated the clonal relatedness of CR-Kp strains in central Taiwan. METHODS: CR-Kp were prospectively collected from inpatients referred to Chung Shan Medical University Hospital (CSMUH) during Sep. 2011 to Dec. 2015. The presence of carbapenemase genes, including blaKPC-2 , blaVIM-1 , blaNDM-1 , and blaOXA-48 was analyzed with PCR and sequence determination...
May 9, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29751121/evaluation-of-dried-blood-spot-sampling-for-pharmacokinetic-research-and-therapeutic-drug-monitoring-of-anti-tuberculosis-drugs-in-children
#14
Lisa C Martial, Jordy Kerkhoff, Nilza Martinez, Mabel Rodríguez, Rosarito Coronel, Gladys Molinas, Myriam Roman, Roscio Gomez, Sarita Aguirre, Erwin Jongedijk, Justine Huisman, Daan J Touw, Domingo Pérez, Gilberto Chaparro, Felipe Gonzalez, Rob E Aarnoutse, Jan-Willem Alffenaar, Cecile Magis-Escurra
BACKGROUND: Dried blood spot sampling (DBS) for pharmacokinetic (PK) studies and Therapeutic Drug Monitoring has unique advantages over venous sampling. We aimed to evaluate a DBS method for first-line anti-TB drugs in children, implemented DBS to assess PK parameters. METHODS: Paraguayan children were treated according to the revised paediatric WHO dosing scheme. A PK curve was performed both with DBS and conventional venous sampling for rifampicin, pyrazinamide and ethambutol...
May 8, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29751120/evaluation-of-a-risk-guided-strategy-for-empiric-carbapenem-use-in-febrile-neutropenia
#15
Ai Leng Khoo, Ying Jiao Zhao, Monica Teng, Ding Ying, Jing Jin, Yen Lin Chee, Li Mei Poon, Siew Eng Lim, Liang Piu Koh, Wee Joo Chng, Boon Peng Lim, Li Yang Hsu, Louis Yi Ann Chai
Febrile neutropenia (FN) is associated with substantial morbidity and necessitate empiric broad spectrum antibiotic treatment. We evaluated a risk-guided FN management strategy using empiric piperacillin-tazobactam and carbapenem in a prospective cohort study. The analysis involved 723 FN episodes in hospitalised adult patients, including those with severe sepsis or prior infection/colonisation with extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae. Propensity score matching analysis was used to adjust for baseline differences between treatment groups and produced 267 matched pairs...
May 8, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29751119/bacteriological-relevance-of-linezolid-versus-vancomycin-in-postoperative-empirical-treatment-of-osteoarticular-infections-a-retrospective-single-center-study
#16
E Takoudju, P Bemer, S Touchais, N Asseray, S Corvec, L Khatchatourian, N Serandour, D Boutoille
BACKGROUND: Our center replaced vancomycin by linezolid in 2015 for the postoperative empirical treatment of osteoarticular infections (OAI). OBJECTIVES: This work aims to assess the bacteriological relevance of linezolid for orthopaedic postoperative probabilistic antibiotic therapy. METHODS: Analysis of an observational cohort of patients empirically treated by a combination of linezolid with piperacillin/tazobactam during the immediate postoperative stage for an OAI between July 1st 2015 and July 1st 2016, in a French reference center...
May 8, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29751118/continuous-beta-lactam-intravenous-antibiotic-infusions-for-outpatient-parenteral-antimicrobial-therapy
#17
LETTER
Hani Habayeb, Clive Grundy, Jayakeerthi Rangaiah, Sebastien VAN DE Velde
No abstract text is available yet for this article.
May 8, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29746997/transcriptional-analysis-reveals-the-critical-role-of-rna-polymerase-binding-transcription-factor-dksa-in-regulating-multi-drug-resistance-of-escherichia-coli
#18
Jiawei Wang, Li Cao, Xiaowen Yang, Qingmin Wu, Lin Lu, Zhen Wang
The objective of this study was to comprehensively identify the target genes regulated by the RNA polymerase-binding transcription factor DksA in Escherichia coli, and to clarify the role of DksA in multi-drug resistance. A clinical E. coli strain, E8, was selected to construct the dksA gene deletion mutant by using the Red recombination system. The minimum inhibitory concentrations (MICs) of 12 antibiotics in the E8ΔdksA (mutant) were markedly lower than those in the wild-type strain, E8. Genes differentially expressed in the wild-type and dksA mutant were detected using RNA-Seq and were validated by performing quantitative real-time PCR (qRT-PCR)...
May 7, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29704547/predictive-performance-of-a-gentamicin-population-pharmacokinetic-model-in-two-western-populations-of-critically-ill-patients
#19
Laura H Bukkems, Claire Roger, Caspar J Hodiamont, Jean-Yves Lefrant, Nicole P Juffermans, Jason A Roberts, Reinier M van Hest
: Before population pharmacokinetic (PK) models can be clinically applied to aid in dose selection of antibiotics, external validation of the model is warranted. The aim of this study was to assess the predictive performance of a gentamicin population PK model in intensive care unit (ICU) patients in two independent populations of Western critically ill patients. METHODS: Data from the same ICU as used for the earlier model development (Academic Medical Centre, Amsterdam (AMC)) and from the Centre Hospitalier Universitaire de Nîmes (CHU Nîmes) were collected...
April 25, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29702230/adverse-events-of-fluoroquinolones-vs-other-antimicrobials-prescribed-in-primary-care-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#20
REVIEW
M Tandan, M Cormican, A Vellinga
BACKGROUND: Fluoroquinolones (FQs) are second line antimicrobial agents. Once the decision to prescribe an antimicrobial is made, its choice should be based on both the benefits and harms. This systematic review quantifies the occurrence of common adverse events (AEs) related to FQs in relation to any other antimicrobial for any indication in primary care. METHODS: We searched randomized controlled trials from Embase, PubMed, Cochrane Central Register of Controlled Trials and CINHAL...
April 24, 2018: International Journal of Antimicrobial Agents
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