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https://www.readbyqxmd.com/read/28224769/increasing-resistance-to-extended-spectrum-cephalosporins-fluoroquinolone-and-carbapenem-in-gram-negative-bacilli-and-the-emergence-of-carbapenem-non-susceptibility-in-klebsiella-pneumoniae-analysis-of-korean-antimicrobial-resistance-monitoring-system-karms
#1
Dokyun Kim, Ji Young Ahn, Chae Hoon Lee, Sook Jin Jang, Hyukmin Lee, Dongeun Yong, Seok Hoon Jeong, Kyungwon Lee
BACKGROUND: National surveillance of antimicrobial resistance becomes more important for the control of antimicrobial resistance and determination of treatment guidelines. We analyzed Korean Antimicrobial Resistance Monitoring System (KARMS) data collected from 2013 to 2015. METHODS: Of the KARMS participants, 16 secondary or tertiary hospitals consecutively reported antimicrobial resistance rates from 2013 to 2015. Data from duplicate isolates and institutions with fewer than 20 isolates were excluded...
May 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28210466/antimicrobial-effects-of-ferula-gummosa-boiss-gum-against-extended-spectrum-%C3%AE-lactamase-producing-acinetobacter-clinical-isolates
#2
Fatemeh Farid Afshar, Parvaneh Saffarian, Hamideh Mahmoodzadeh Hosseini, Fereshteh Sattarian, Mohsen Amin, Abbas Ali Imani Fooladi
BACKGROUND AND OBJECTIVES: Acinetobacter spp. are important causes of nosocomial infections. They possess various antibiotic resistance mechanisms including extended spectrum beta lactamases (ESBLs). The aim of this study was to determine antibiotic resistance profile of Acinetobacter clinical isolates especially among ESBL-producing strains and to investigate the antimicrobial effects of oleo-gum-resin extract and essential oil of Ferula gummosa Boiss. MATERIALS AND METHODS: 120 Acinetobacter strains were isolated from various clinical samples of hospitalized patients in Baqiyatallah hospital, Tehran during 2011-2012...
August 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28209468/characteristics-of-nontyphoidal-salmonella-gastroenteritis-in-taiwanese-children-a-9-year-period-retrospective-medical-record-review
#3
Yeh-Ting Hung, Chorng-Jang Lay, Chun-Lung Wang, Malcolm Koo
Nontyphoidal Salmonella is among the most common causes of acute pediatric gastroenteritis in Taiwan. It is important to study antibiotic resistance patterns in nontyphoidal Salmonella isolated from children. Therefore, the objective of this study was to investigate the prevalence of serogroups and susceptibility to antimicrobial nontyphoidal Salmonella isolated from Taiwanese children with gastroenteritis. A retrospective review of the medical records of patients aged under 18 years with a diagnosis of acute gastroenteritis at a regional hospital located in southern Taiwan from August 2000 to August 2009 was conducted...
February 13, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28194090/prevalence-and-characterization-of-salmonella-among-humans-in-ghana
#4
Linda Aurelia Andoh, Shabana Ahmed, John Elmerdahl Olsen, Kwasi Obiri-Danso, Mercy Jemima Newman, Japheth Awuletey Opintan, Lisa Barco, Anders Dalsgaard
BACKGROUND: Non-typhoidal Salmonella (NTS) is a public health problem worldwide and particularly in Africa with high disease burden. This study characterized Salmonella isolates from humans in Ghana to determine serovar distribution, phage types, and antimicrobial resistance. Further, the clonal relatedness among isolates was determined. METHODS: One hundred and thirty-seven Salmonella isolates (111 clinical and 26 public toilet) were characterized using standard serotyping, phage typing, and antimicrobial susceptibility testing methods...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28192223/emergence-of-multi-drug-resistance-among-soil-bacteria-exposing-to-insecticides
#5
Kirubakaran Rangasamy, Murugan Athiappan, Natarajan Devarajan, Javid A Parray
Impacts of pesticide exposure on the soil microbial flora and cross resistance to antibiotics have not been well documented. Development of antibiotic resistance is a common issue among soil bacteria which are exposing to pesticides continuously at sub-lethal concentration. The present study was focused to evaluate the correlation between pesticide exposures and evolution of multi drug resistance among isolates collected from soil applied with insecticides. Twenty five insecticide (Monochrotophos) degrading bacteria were isolated from contaminated agricultural soil...
February 9, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28181665/multidrug-resistant-bacteria-among-patients-with-ventilatorassociated-pneumonia-in-an-emergency-intensive-care-unit-egypt
#6
Magda M Azzab, Rehab H El-Sokkary, Mohamed M Tawfeek, Manar G Gebriel
Ventilator-associated pneumonia (VAP) is the most common hospital-acquired infection among mechanically ventilated patients. Our objectives were to determine the incidence of VAP, isolate multidrug-resistant bacteria, identify the most prevalent resistant strains and identify their antibiotic susceptibility pattern. The VAP rate was calculated. The isolated microbes were identified and tested for antibiotic susceptibilities. The minimum inhibitory concentrations were determined of imipenem, meropenem and ertapenem for Klebsiella isolates...
February 1, 2017: Eastern Mediterranean Health Journal, la Revue de Santé de la Méditerranée Orientale
https://www.readbyqxmd.com/read/28181300/synthesis-and-characterization-of-cefotaxime-conjugated-gold-nanoparticles-and-their-use-to-target-drug-resistant-ctx-m-producing-bacterial-pathogens
#7
Sibhghatulla Shaikh, Syed Mohd Danish Rizvi, Shazi Shakil, Talib Hussain, Thamir M Alshammari, Waseem Ahmad, Shams Tabrez, Mohammad H Al-Qahtani, Adel M Abuzenadah
Multidrug-resistance due to 'β lactamases having the expanded spectrum' (ESBLs) in members of Enterobacteriaceae is a matter of continued clinical concern. CTX-M is among the most common ESBLs in Enterobacteriaceae family. In the present study, a nanoformulation of cefotaxime was prepared using gold nanoparticles to combat drug-resistance in ESBL producing strains. Here, two CTX-M-15 positive cefotaxime resistant bacterial strains (i.e. one Escherichia coli and one Klebsiella pneumoniae strain) were used for testing the efficacy of 'cefotaxime loaded gold-nanoparticles'...
February 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28178138/etiology-of-acute-otitis-media-and-serotype-distribution-of-streptococcus-pneumoniae-and-haemophilus-influenzae-in-chilean-children-5-years-of-age
#8
Andres Rosenblut, Carla Napolitano, Angelica Pereira, Camilo Moreno, Devayani Kolhe, Alejandro Lepetic, Eduardo Ortega-Barria
The impact of bacterial conjugate vaccines on acute otitis media (AOM) is affected by several factors including population characteristics, bacterial etiology and vaccine conjugation method, carrier, and coverage. This study estimated the baseline etiology, distribution, and antibiotic susceptibility of bacterial serotypes that causes AOM in children aged <5 years in a public setting in Santiago, Chile.Children aged ≥3 months and <5 years referred to the physician for treatment of AOM episodes (with an onset of symptoms <72 h) were enrolled between September 2009 and September 2010...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28173648/-antibiotic-resistance-analysis-of-streptococcus-pneumoniae-isolates-from-the-hospitalized-children-in-shanxi-children-s-hospital-from-2012-to-2014
#9
L L Ge, Z Y Han, A H Liu, L Zhu, J H Meng
Objective: To investigate the antibiotic resistance status of Streptococcus pneumoniae isolates from hospitalized children in Shanxi Children's Hospital. Method: E-test and Kirby-Bauer methods were applied to determine drug sensitivity of the isolates collected from the body fluid specimens of hospitalized children in Shanxi Children's Hospital from January 2012 to December 2014. The antimicrobial sensitivity and minimum inhibitory concentration (MIC) of Streptococcus pneumoniae to the conventional antibiotics were analyzed, in order to compare the annual trends of non-invasive isolates, while the differentiation of sensitivity from specimens...
February 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28167857/high-frequency-of-vancomycin-resistant-enterococcus-faecalis-in-children-an-alarming-concern
#10
F Sabouni, Z Movahedi, S Mahmoudi, B Pourakbari, S Keshavarz Valian, S Mamishi
INTRODUCTION: Enterococcus spp. is considered as important etiological agents of nosocomial infections. However, a little is known about the epidemiology of vancomycin resistant Enterococcus faecalis (VREF). The aim of this study was to investigate the frequency of VREF and detecting of two prevalent resistance genes (vanA, vanB) at Children Medical Center Hospital, an Iranian referral pediatric Hospital. MATERIALS AND METHODS: During January 2013 to December 2013, 180 E...
December 2016: Journal of Preventive Medicine and Hygiene
https://www.readbyqxmd.com/read/28165890/enterobacteriaceae-harboring-ampc-blacmy-and-esbl-blactx-m-in-migratory-and-nonmigratory-wild-songbird-populations-on-ohio-dairies
#11
Dimitria A Mathys, Blake A Mathys, Dixie F Mollenkopf, Joshua B Daniels, Thomas E Wittum
Extended-spectrum β-lactamases (ESBLs) confer bacterial resistance to critically important antimicrobials, including extended-spectrum cephalosporins (ESCs). Livestock are important reservoirs for the zoonotic food-borne transmission of ESC-resistant enteric bacteria. Our aim is to describe the potential role of migratory and resident wild birds in the epidemiology of ESBL-mediated bacterial resistance on dairy farms. Using mist nets, we sampled wild migratory and resident birds either immediately adjacent to or 600 ft away from free-stall barns on three Ohio dairy farms during the 2014 and 2015 spring migrations...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28164610/an-investigation-of-the-frequency-of-upper-respiratory-tract-infection-pathogens-and-their-antibiotic-patterns-in-tonsils-and-adenoids-of-adenotonsillectomy-patients
#12
Yasar Nakipoglu, Gulsen Gunel, Deniz Kanliada, Levent Aydemir, Nezahat Gurler, Bulent Gurler
BACKGROUND: We aimed to investigate the potentially pathogenic bacteria of upper respiratory tract infections (URTIs) and their susceptibilities to different antibiotics. METHODS: Two-hundred adenoid and tonsil specimens from 100 patients who had undergone adenotonsillectomy were obtained and analyzed bacteriologically. Identification of the pathogens was made by conventional or commercial identification systems and antibiotic susceptibility tests were carried out by disk diffusion method...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28148226/trends-in-antimicrobial-resistance-and-empiric-antibiotic-therapy-of-bloodstream-infections-at-a-general-hospital-in-mid-norway-a-prospective-observational-study
#13
Arne Mehl, Bjørn Olav Åsvold, Angela Kümmel, Stian Lydersen, Julie Paulsen, Ingvild Haugan, Erik Solligård, Jan Kristian Damås, Stig Harthug, Tom-Harald Edna
BACKGROUND: The occurrence of bloodstream infection (BSI) and antimicrobial resistance have been increasing in many countries. We studied trends in antimicrobial resistance and empiric antibiotic therapy at a medium-sized general hospital in Mid-Norway. METHODS: Between 2002 and 2013, 1995 prospectively recorded episodes of BSI in 1719 patients aged 16-99 years were included. We analyzed the antimicrobial non-susceptibility according to place of acquisition, site of infection, microbe group, and time period...
February 2, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28139739/combination-of-cephalosporins-with-vancomycin-or-teicoplanin-enhances-antibacterial-effect-of-glycopeptides-against-heterogeneous-vancomycin-intermediate-staphylococcus-aureus-hvisa-and-visa
#14
Chih-Cheng Lai, Chi-Chung Chen, Yin-Ching Chuang, Hung-Jen Tang
Eight heterogeneous vancomycin-intermediate S. aureus (h-VISA) and seven VISA clinical isolates confirmed by the population analysis profile/area under the curve ratio (PAP/AUC) were collected. We further performed the PAP/AUC, time-killing methods and MIC tests using vancomycin/teicoplanin alone or combination with susceptible breakpoint concentrations of cefazolin, cefmetazole, cefotaxime, and cefepime for these isolates. The PAP/AUC MIC curve shifted left after addition of cephalosporins with vancomycin or teicoplanin for both h-VISA and VISA isolates...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28138370/carbapenem-susceptibility-and-multidrug-resistance-in-pseudomonas-aeruginosa-isolates-in-egypt
#15
Hany Hashem, Amro Hanora, Salah Abdalla, Alaa Shawky, Alaa Saad
BACKGROUND: Resistant Pseudomonas aeruginosa is a serious concern for antimicrobial therapy, as the common isolates exhibit variable grades of resistance, involving beta-lactamase enzymes, beside native defense mechanisms. OBJECTIVES: The present study was designed to determine the occurrence of Metallo-β- Lactamases (MBL) and Amp C harboring P. aeruginosa isolates from Suez Canal university hospital in Ismailia, Egypt. METHODS: A total of 147 P...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28137818/the-population-of-carbapenemase-producing-klebsiella-pneumoniae-is-distinct-and-more-clonal-than-the-carbapenem-susceptible-population
#16
Andrés Esteban-Cantos, Belén Aracil, Verónica Bautista, Adriana Ortega, Noelia Lara, David Saez, Sara Fernández-Romero, María Pérez-Vázquez, Ferran Navarro, Hajo Grundmann, José Campos, Jesús Oteo
We study in parallel the population structure of 90 carbapenemase-producing and 88 carbapenemase-susceptible Klebsiella pneumoniae isolated in 20 Spanish hospitals, in the context of the EuSCAPE project. Fourteen and 50 MLST sequence types (STs) were detected among the carbapenemase-producing and carbapenem-susceptible isolates, respectively. ST11 and ST15 clones were more frequent in the carbapenemase-producing than in the carbapenemase-susceptible group (P<0.0001). Among carbapenem-suceptible group, the cefotaxime-resistant population showed population parameters studied between wildtype- and carbapenemase-producers populations...
January 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28137227/3rd-generation-of-cephalosporins-and-monobactam-resistant-among-pathogenic-bacteria-collected-from-ilam-hospitals-during-2008-to-2015-a-systematic-review-and-meta-analysis
#17
Saeed Hemati, Sobhan Ghafourian, Nourkhoda Sadeghfard, Zahra Mahdavi, Abbas Maleki, Fatemeh Sayehmiri, Kouroush Sayehmiri, Lidija Bogdanović, Morovat Taherikalani
BACKGROUND: Recently, increasing antibiotic resistance is causing serious public-health concerns worldwide. This phenomenon increased patient's morbidity and mortality rate, particularly in immunocompromised individuals. METHODS: Considering that antimicrobial resistance can vary according to geographical location, we investigated the status of antibiotic resistance in Ilam province from 2008 to 2009. RESULTS: The results of our study showed that antibiotic resistance rates to aztreonam, cefotaxime, ceftazidime and ceftriaxone were 38%, 39%, 43% and 48% respectively...
January 29, 2017: Recent Patents on Anti-infective Drug Discovery
https://www.readbyqxmd.com/read/28131557/-profile-of-bacterial-resistance-in-pediatric-urinary-tract-infections-in-2014
#18
A Flammang, R Morello, M Vergnaud, J Brouard, P Eckart
In pediatric units, bacteria-producing extended-spectrum-betalactamase (ESBL) have an increasing prevalence among bacteria causing febrile urinary tract infections (UTIs). The purpose of this study was to evaluate the epidemiology of bacteria resistance patterns observed in UTIs, in order to assess the current antibiotic treatment protocols. This study is based upon a single-center retrospective chart review of the cytobacteriological urine cultures performed in UTIs between 1 January and 31 December 2014, in the medical pediatric unit of the Caen University Hospital...
January 25, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28125687/high-heterogeneity-of-escherichia-coli-sequence-types-harbouring-esbl-ampc-genes-on-inci1-plasmids-in-the-colombian-poultry-chain
#19
Luis Ricardo Castellanos, Pilar Donado-Godoy, Maribel León, Viviana Clavijo, Alejandra Arevalo, Johan F Bernal, Arjen J Timmerman, Dik J Mevius, Jaap A Wagenaar, Joost Hordijk
BACKGROUND: Escherichia coli producing ESBL/AmpC enzymes are unwanted in animal production chains as they may pose a risk to human and animal health. Molecular characterization of plasmids and strains carrying genes that encode these enzymes is essential to understand their local and global spread. OBJECTIVES: To investigate the diversity of genes, plasmids and strains in ESBL/AmpC-producing E. coli from the Colombian poultry chain isolated within the Colombian Integrated Program for Antimicrobial Resistance Surveillance (Coipars)...
2017: PloS One
https://www.readbyqxmd.com/read/28125676/determinants-of-indices-of-cerebral-volume-in-former-very-premature-infants-at-term-equivalent-age
#20
Aurelie Naud, Emmanuelle Schmitt, Maelle Wirth, Jean-Michel Hascoet
Conventional magnetic resonance imaging (MRI) at term equivalent age (TEA) is suggested to be a reliable tool to predict the outcome of very premature infants. The objective of this study was to determine simple reproducible MRI indices, in premature infants and to analyze their neonatal determinants at TEA. A cohort of infants born before 32 weeks gestational age (GA) underwent a MRI at TEA in our center. Two axial images (T2 weighted), were chosen to realize nine measures. We defined 4 linear indices (MAfhlv: thickness of lateral ventricle; CSI: cortex-skull index; VCI: ventricular-cortex index; BOI: bi occipital index) and 1 surface index (VS...
2017: PloS One
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