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https://www.readbyqxmd.com/read/28738348/colistin-resistance-in-kpc-2-and-shv-5-producing-klebsiella-pneumoniae-clinical-isolates-in-bulgaria
#1
Encho Savov, Iva Todorova, Lida Politi, Angelina Trifonova, Maja Borisova, Elena Kioseva, Athanassios Tsakris
BACKGROUND/AIMS: Colistin resistance is increasingly recognized among carbapenemase-producing Klebsiella pneumoniae isolates in several European regions. The current study documents the appearance of colistin resistance among KPC-2 and SHV-5-produning K. pneumoniae strains in Bulgaria. METHODS: Four colistin-resistant K. pneumoniae isolates were recovered from 2 patients hospitalized in the anesthesiology and resuscitation clinic of a tertiary care university hospital in Sofia, Bulgaria...
July 22, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28737063/genetic-diversity-and-antimicrobial-resistance-profile-of-enterococcus-faecalis-isolated-from-broilers-with-vertebral-osteomyelitis-in-southeast-brazil
#2
Juliana Fortes Vilarinho Braga, Carlos Augusto Gomes Leal, Camila Costa Silva, André Almeida Fernandes, Nelson Rodrigo da Silva Martins, Roselene Ecco
Vertebral osteomyelitis (VO) is a worldwide emerging disease that affects broilers. Recently, the isolation of Enterococcus faecalis in cases of the disease has been described. This study aimed at determining the genetic diversity and antimicrobial resistance profile of 12 Enterococcus faecalis strains isolated from broilers with VO. Strains were isolated from nine flocks from six farms in a high-density poultry production area in Southeast Brazil and were evaluated using multilocus sequence typing (MLST) and phylogenetic analysis...
July 24, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28736358/-emergence-of-methicillin-resistant-staphylococcus-aureus-sccmec-type-iv-v-epidemic-clones-in-a-large-teaching-hospital-in-china
#3
Yi-Ming Zhong, Rui Yuan, Jian-Sheng Ding, Fang Yang, Wen-En Liu
OBJECTIVE: To investigate the staphylococcal cassette chromosome mec (SCCmec) genotype and molecular epidemiological characteristics of healthcare-associated methicillin-resistant Staphylococcus aureus (HA-MRSA) in a large teaching hospital in China. METHDOS: From January 2012 to December 2012, a total of 71 nonduplicate HA-MRSA were collected in a teaching hospital in Changsha, China. SCCmec types were determined by multiplex PCR, and Panton-Valentine leukocidin (PVL) gene was detected by PCR...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28735054/linezolid-activity-against-clinical-gram-positive-cocci-with-advanced-antimicrobial-drug-resistance-in-iran
#4
Hamidreza Houri, Hossein Kazemian, Hadi Sedigh Ebrahim-Saraie, Asieh Taji, Zahra Tayebi, Hamid Heidari
OBJECTIVES: The aim of the study was to investigate the linezolid activity against clinical Gram-positive cocci with advanced antimicrobial drug resistance. METHODS: A collection of methicillin resistant Staphylococcus aureus (MRSA), vancomycin resistant enterococci (VRE), penicillin non-susceptible Streptococcus pneumoniae (PNSP), and group B streptococci (GBS) were isolated from various clinical samples. Antimicrobial susceptibility tests were done using standard methods Subsequently, we investigated linezolid antibacterial activities, the first approved oxazolidinone against isolates by the standard broth microdilution method...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28735049/in-vitro-activity-of-daptomycin-combinations-with-rifampicin-gentamicin-fosfomycin-and-fusidic-acid-against-mrsa-strains
#5
Gulseren Aktas, Sengul Derbentli
OBJECTIVES: Although new antimicrobial agents designed to treat infections with limited therapeutic options have been introduced in the past few years, resistant Gram positive cocci have continued to emerge and spread. Daptomycin is a cyclic lipopeptide antibiotic that has rapid bactericidal activity against broad spectrum of Gram positive bacteria, including methicillin resistant Staphylococcus aureus (MRSA). Antibiotics are sometimes used in combination in an attempt to prevent or delay the in vivo emergence of drug-resistant subpopulations of pathogenic organisms...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28734495/clinical-experiences-in-the-use-of-a-gentamicin-coated-titanium-nail-in-tibia-fractures-and-revisions
#6
G Schmidmaier, M Kerstan, P Schwabe, N Südkamp, M Raschke
Despite the improvement of surgical techniques surgical site infections (SSIs) still remain a significant clinical burden in high risk patients undergoing osteosynthesis for tibia fractures. The use of an antibiotic coated implant might reduce the adhesion of bacteria on the implant surface and could therefore reduce the rate of implant-related infection or osteomyelitis. In this prospective multicenter study the use of a gentamicin-coated tibia nail for the treatment of open and closed tibia fractures and non-union revision cases was evaluated in 100 patients (99 treated) followed for 18 months...
July 10, 2017: Injury
https://www.readbyqxmd.com/read/28734024/effect-of-solvent-and-protein-dynamics-in-ligand-recognition-and-inhibition-of-aminoglycoside-adenyltransferase-2%C3%A2-ia
#7
Valjean R Bacot-Davis, Angelia V Bassenden, Tara Sprules, Albert M Berghuis
The aminoglycoside modifying enzyme (AME) ANT(2″)-Ia is a significant target for next generation antibiotic development. Structural studies of a related aminoglycoside-modifying enzyme, ANT(3″)(9), revealed this enzyme contains dynamic, disordered, and well-defined segments that modulate thermodynamically before and after antibiotic binding. Characterizing these structural dynamics is critical for in situ screening, design, and development of contemporary antibiotics that can be implemented in a clinical setting to treat potentially lethal, antibiotic resistant, human infections...
July 21, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28733213/risk-factors-for-the-infection-and-or-colonization-of-extended-spectrum-beta-lactamase-producing-bacteria-in-a-neonatal-intensive-care-unit-a-meta-analysis
#8
REVIEW
Xuan Li, Xuan Xu, Xianxian Yang, Mei Luo, Pin Liu, Kewen Su, Ying Qing, Shuai Chen, Jingfu Qiu, Yingli Li
BACKGROUND: Extended-spectrum beta-lactamase (ESBL)-producing bacteria are the important causes of healthcare associated infection in the neonatal intensive care unit (NICU). This study performed a meta-analysis to identify the risk factors associated with infection and/or colonization of ESBL-producing bacteria in the NICU. METHODS: Relevant studies in the literature published from January 1, 2000 to July 1, 2016 were searched in the electronic databases. The literature was screened and data were extracted according to the inclusion and exclusion criteria...
July 18, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28732788/occurrence-and-clonal-diversity-of-multidrug-resistant-klebsiella-pneumoniae-recovered-from-inanimate-surfaces-in-algerian-hospital-environment-first-report-of-arma-qnrb-and-aac-6-ib-cr-genes
#9
Karima Zenati, Farida Sahli, Vincent Garcia, Sofiane Bakour, Djellali Belhadi, Jean Marc Rolain, Abdelaziz Touati
PURPOSE: The aim of this study is to characterize the molecular support of antibiotic resistance in MDR K. pneumonaie recovered from inanimate surfaces between March 2012 to February 2014 in three teaching hospitals (Setif, Bejaia and Constantine) in Algeria. RESULTS: Forty four K. pneumoniae producing ESBL were detected and blaCTX-M-15 and blaCTX-M-3 were detected respectively in 41 and 3 isolates. These K. pneumoniae isolates producing ESBL were also resistant to gentamicin (87%), tobramicin (87%), ciprofloxacin (66%) and ofloxacin (62%)...
July 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28732786/antibiotic-resistance-of-bacteria-isolated-from-heavy-metal-polluted-soils-with-different-land-uses
#10
Ali Akbar Safari Sinegani, Nayereh Younessi
OBJECTIVES: The main objective of this study was to determine the relationship between the antibiotic and heavy metal tolerance of culturable bacteria isolated from mining waste, pasture, and agricultural soils containing different levels of heavy metals. MATERIALS AND METHODS: The populations of total culturable bacteria, and heavy metal- and antibiotic-tolerant bacteria in the soils were enumerated on nutrient agar, nutrient agar amended with metals, and Mueller-Hinton agar amended with antibiotics, respectively...
July 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28731325/bioinspired-and-biomimetic-agnps-gentamicin-embedded-silk-fibroin-coatings-for-robust-antibacterial-and-osteogenetic-applications
#11
Wenhao Zhou, Zhaojun Jia, Pan Xiong, Jianglong Yan, Yangyang Li, Ming Li, Yan Cheng, Yufeng Zheng
With the progressively increasing demand for orthopedic Ti implants, the balance realization between two primary complications restricting implants applications is imperative needed to be solved that the lack of bone tissue integration and biomedical device-associated infections (BAI), where emergence of multi-resistance bacteria make it worse. Notably, a combination of silver nanoparticles (AgNPs) and a kind of antibiotic can synergistically inhibit bacterial growth, where low concentration of AgNPs has been confirmed to promote the proliferation and osteogenesis of osteoblasts...
July 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28731324/using-infrared-spectroscopy-and-multivariate-analysis-to-detect-antibiotics-resistant-escherichia-coli-bacteria
#12
Uraib Sharaha, Eladio Rodriguez-Diaz, Klaris Riesenberg, Irving J Bigio, Mahmoud Huleihel, Ahmad Salman
Bacterial pathogens are one of the primary causes of human morbidity worldwide. Historically, antibiotics have been highly effective against most bacterial pathogens; however, the increasing resistance of bacteria to a broad spectrum of commonly used antibiotics has become a global health-care problem. Early and rapid determination of bacterial susceptibility to antibiotics has become essential in many clinical settings, and, sometimes, can save lives. Currently classical procedures require at least 48 hours for determining bacterial susceptibility, which can constitute a life-threatening delay for effective treatment...
July 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28729241/the-disputed-champion-ampicillin-and-gentamicin-for-febrile-young-infants
#13
Tara L Greenhow, Joseph B Cantey
No abstract text is available yet for this article.
July 20, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28729240/empiric-antibiotic-use-and-susceptibility-in-infants-with-bacterial-infections-a-multicenter-retrospective-cohort-study
#14
Elana A Feldman, Russell J McCulloh, Angela L Myers, Paul L Aronson, Mark I Neuman, Miranda C Bradford, Elizabeth R Alpern, Frances Balamuth, Mercedes M Blackstone, Whitney L Browning, Katie Hayes, Rosalynne Korman, Rianna C Leazer, Lise E Nigrovic, Richard Marble, Emily Roben, Derek J Williams, Joel S Tieder
OBJECTIVES: To assess hospital differences in empirical antibiotic use, bacterial epidemiology, and antimicrobial susceptibility for common antibiotic regimens among young infants with urinary tract infection (UTI), bacteremia, or bacterial meningitis. METHODS: We reviewed medical records from infants <90 days old presenting to 8 US children's hospitals with UTI, bacteremia, or meningitis. We used the Pediatric Health Information System database to identify cases and empirical antibiotic use and medical record review to determine infection, pathogen, and antimicrobial susceptibility patterns...
July 20, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28729209/clonal-spread-of-methicillin-resistant-staphylococcus-aureus-t6065-cc5-sccmecv-agrii-in-a-libyan-hospital
#15
Monia Khemiri, Ali Akrout Alhusain, Mohamed Salah Abbassi, Houyem El Ghaieb, Sofia Santos Costa, Adriana Belas, Constança Pomba, Salah Hammami
OBJECTIVES: The aim of this study was to characterize 32 MRSA isolates recovered from wound specimens of patients in a Hospital in Tripoli, Libya, during 2013. METHODS: MRSA isolates were characterized by determining their antibiotic susceptibilities, genes encoding antibiotic resistance and virulence factors, the SCCmec class, agr type, spa typing, PFGE and MLST. RESULTS: PFGE and MLST revealed that all isolates were clonal and belonged to the Clonal Complex 5 (CC5)...
July 17, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28724376/sonication-contribution-to-identifying-prosthetic-joint-infection-with-ralstonia-pickettii-a-case-report-and-review-of-the-literature
#16
Rares Mircea Birlutiu, Mihai Dan Roman, Razvan Silviu Cismasiu, Sorin Radu Fleaca, Crina Maria Popa, Manuela Mihalache, Victoria Birlutiu
BACKGROUND: In the context of an increase number of primary and revision total hip and total knee arthroplasty performed yearly, an increased risk of complication is expected. Prosthetic joint infection (PJI) remains the most common and feared arthroplasty complication. Ralstonia pickettii is a Gram-negative bacterium, that has also been identified in biofilms. It remains an extremely rare cause of PJI. There is no report of an identification of R. pickettii on an extracted spacer loaded with antibiotic...
July 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28723597/short-term-results-of-intra-tympanic-gentamicin-and-dexamethasone-on-hearing-and-tinnitus-in-meniere-s-disease-a-case-control-study
#17
Irfan Ul Shamas
INTRODUCTION: The role of this study was to evaluate the effectiveness of intra tympanic administration of Gentamicin(40 mgs/ml) and Dexamethasone 0.5 ml(4 mgs/ml) on hearing and tinnitus of patients who had recurrent acute attacks of vertigo, tinnitus and hearing loss. STUDY DESIGN: 60 consecutive patients of Meniere's disease were randomly divided into 3 groups of twenty patients each. Group A included 20 patients who received intra tympanic gentamicin, Group B included 20 patients who received intra tympanic dexamethasone and Group C included 20 patients who received intra tympanic normal saline 0...
June 1, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/28721848/evaluation-of-biofilm-specific-antimicrobial-resistance-genes-in-pseudomonas-aeruginosa-isolates-in-farabi-hospital
#18
Mahmood Saffari, Shabnam Karami, Farzaneh Firoozeh, Mojtaba Sehat
BACKGROUND: Biofilm produced from Pseudomonas aeruginosa is the cause of infection induced by contact lenses, trauma and post-surgery infection. The aim of this study was to evaluate biofilm formation and the presence of the genes ndvB and tssC1 in ocular infection isolates of P. aeruginosa. METHODS: A total of 92 P. aeruginosa strains were collected from patients with ocular infection referred to Farabi Hospital between March 2014 and July 2015. Antibiotic susceptibility patterns were evaluated by the agar disc-diffusion method according to CLSI guidelines...
July 18, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28718886/brainstem-auditory-evoked-responses-in-37-dogs-with-otitis-media-before-and-after-topical-therapy
#19
S Paterson
OBJECTIVES: The objective of this study was to determine whether intra-aural administration of aqueous solutions of marbofloxacin, gentamicin, tobramycin and ticarcillin (used off-licence) was associated with changes in hearing as measured by brainstem auditory evoked responses. MATERIALS AND METHODS: Dogs diagnosed with otitis media (n=37) underwent brainstem auditory evoked response testing and then were treated for their ear disease. First, the external ear canal and middle ear were flushed with sterile saline followed by EDTA tris with 0·15% chlorhexidine...
July 18, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28717309/molecular-characterization-of-antibiotic-resistant-staphylococcus-aureus-from-livestock-bovine-and-swine
#20
Asima Zehra, Randhir Singh, Simranpreet Kaur, J P S Gill
AIM: The aim of this study was to figure the prevalence, phenotypic and genotypic antibiotic resistance (AR) pattern of Staphylococcus aureus isolated from bovine and swine nares. MATERIALS AND METHODS: Colonies with typical morphology on Baird-Parker agar supplemented with egg-yolk tellurite emulsion were selected and biochemically/genotypically identified as S. aureus. These strains were further subjected to epsilometer test for their sensitivity to various clinically important antibiotics and antibiotic susceptibility testing for amoxicillin/clavulanic acid, and double-disk diffusion testing was performed by the standard disc diffusion method following CLSI guidelines...
June 2017: Veterinary World
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