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Cefotaxime

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https://www.readbyqxmd.com/read/27919513/-rapid-test-for-detection-of-susceptibility-to-cefotaxime-in-enterobacteriaceae
#1
Gemma Jiménez-Guerra, Yannik Hoyos-Mallecot, Javier Rodríguez-Granger, José María Navarro-Marí, José Gutiérrez-Fernández
In this work an "in house" rapid test based on the change in pH that is due to hydrolysis for detecting Enterobacteriaceae susceptible to cefotaxime is evaluated. The strains of Enterobacteriaceae from 1947 urine cultures were assessed using MicroScan panels and the "in house" test. This rapid test includes red phenol solution and cefotaxime. Using MicroScan panels, 499 Enterobacteriaceae isolates were evaluated, which included 27 isolates of Escherichia coli producing extended-spectrum beta-lactamases (ESBL), 16 isolates of Klebsiella pneumoniae ESBL and 1 isolate of Klebsiella oxytoca ESBL...
December 2, 2016: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/27917275/synergistic-effect-of-thymbra-spicata-l-extracts-with-antibiotics-against-multidrug-resistant-staphylococcus-aureus-and-klebsiella-pneumoniae-strains
#2
Mohammad F Haroun, Rawaa S Al-Kayali
OBJECTIVES: To evaluate the in vitro interaction between different extracts of Thymbra spicata L. and certain antimicrobial drugs of different mechanisms, including ampicillin, cefotaxime, amikacin and ciprofloxacin. This study was performed against multidrug-resistant strains of Staphylococcus aureus and Klebsiella pneumoniae. MATERIALS AND METHODS: Evaluation of antibacterial activity and synergy interaction between plant extracts and antimicrobial agents was carried out using checkerboard microdilution...
November 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27902411/non-typeable-haemophilus-influenzae-biofilm-production-and-severity-in-lower-respiratory-tract-infections-in-a-tertiary-hospital-in-mexico
#3
Michel Fernando Martínez-Reséndez, Juan Manuel González-Chávez, Elvira Garza-González, Lorena Nefertiti Castro-Fuentes, Jessica Lizzeth Gutiérrez-Ferman, Gabriela Echániz-Aviles, Adrián Camacho-Ortíz, María Noemí Carnalla-Barajas, Araceli Soto-Noguerón, Héctor Jesús Maldonado-Garza, Cristina Liliana Hernández-Balboa, Jorge M Llaca-Díaz, Samantha Flores-Treviño
Non-typeable Haemophilus influenzae (NTHi) is a common opportunistic bacterial pathogen that primarily infects the respiratory mucosa. This study was conducted to assess clinical and microbiological data related to disease severity in patients with lower respiratory tract infections caused by NTHi in a tertiary care hospital in Mexico. NTHi isolates were subjected to serotyping, antimicrobial susceptibility evaluation, and analyses of β-lactamase production, genetic relatedness, and biofilm formation. Clinical and demographic data were retrieved from patients' records...
October 17, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27893949/phenotypic-and-genotypic-resistance-of-salmonella-isolates-from-healthy-and-diseased-pigs-in-china-during-2008-2015
#4
Yueguang Jiu, Shun Zhu, Sher Bahadar Khan, Mengzhen Sun, Geng Zou, Xianrong Meng, Bin Wu, Rui Zhou, Shaowen Li
The antimicrobial resistance of Salmonella strains is rapidly increasing worldwide, which poses significant threats to animal and public health. In this study, a total of 249 porcine Salmonella isolates collected in China during 2008-2015 were examined, including 155 clinical isolates from diseased pigs and 94 nonclinical isolates from healthy pigs. Based on the minimum inhibitory concentration of seven antimicrobial agents, 96.4% of the isolates were resistant to at least one of the tested antibiotics and 81...
November 28, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27891438/blastomycosis-like-pyoderma-a-rare-case-report
#5
Amrita A Hongal, Somashekar Gejje
Blastomycosis-like pyoderma is a rare, cutaneous bacterial infection of skin, seen in malnourished individuals, in a poor state of health and manifests as vegetating skin lesions. It is an unusual tissue reaction possibly to bacterial infection, the most common organism being Staphylococcus aureus. This case report is of a 35-year-old male who presented with thick verrucous surfaced plaques and papules on trunk and extremities since 2 months. Investigations revealed anaemia with hypochromasia, neutrophilic leucocytosis, hypo-proteinemia and hypo-albuminemia with reversal of A/G ratio...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27889371/identification-and-molecular-characterization-of-escherichia-coli-blashv-genes-in-a-chinese-teaching-hospital
#6
Mei Zhu, Guangjian Yang, Ailing Li, Li Zong, Zhaoguang Dong, Junwan Lu, Kaibo Zhang, Cong Cheng, Qingli Chang, Xiuying Wu, Jianchao Ying, Xianneng Li, Li Ding, Haixiao Zheng, Junping Yu, Jun Ying, Teng Xu, Huiguang Yi, Peizhen Li, Kewei Li, Songquan Wu, Qiyu Bao, Junrong Wang
Escherichia coli (E. coli) commonly reside in human intestine and most E. coli strains are harmless, but some serotypes cause serious food poisoning. This study identified and molecularly characterized E. coli blaSHV genes from 490 E. coli strains with multi-drug resistance in a hospital population. PCR and molecular cloning and southern blot were performed to assess functions and localizations of this resistant E. coli gene and the pulsed-field gel electrophoresis (PFGE) was utilized to demonstrate the clonal relatedness of the positive E...
November 23, 2016: Gene
https://www.readbyqxmd.com/read/27887722/the-effect-of-specific-surface-area-of-chitin-metal-silicate-coprocessed-excipient-on-the-chemical-decomposition-of-cefotaxime-sodium
#7
Suhair S Al-Nimry, Khouloud A Alkhamis, Kawthar Z Alzarieni
Chitin-metal silicates are multifunctional excipients used in tablets. Previously, a correlation between the surface acidity of chitin-calcium and chitin-magnesium silicate and the chemical decomposition of cefotaxime sodium was found but not with chitin-aluminum silicate. This lack of correlation could be due to the catalytic effect of silica alumina or the difference in surface area of the excipients. The objective of this study was to investigate the effect of the specific surface area of the excipient on the chemical decomposition of cefotaxime sodium in the solid state...
November 22, 2016: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27885293/prevalence-of-extended-spectrum-beta-lactamase-producing-klebsiella-pneumoniae-isolated-from-urinary-tract-infected-patients
#8
P Chaudhary, D Bhandari, K Thapa, P Thapa, D Shrestha, H K Chaudhary, A Shrestha, H Parajuli, B P Gupta
BACKGROUND: Klebsiella pneumoniae, one of the bacterial agents associated with urinary tract infection has been often implicated as a major extended spectrum beta-lactamase (ESBL) producer in last few decades. This study was designed to assess the prevalence of ESBL producing Klebsiella pneumoniae in urinary isolates at a tertiary care hospital in Kathmandu, Nepal, from July to December 2014. METHODS: One thousand nine hundred eighty six mid-stream urine specimens were collected aseptically from the clinically suspected patients of urinary tract infections attending Capital Hospital and Research Center, Kathmandu...
May 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/27863468/the-changing-epidemiology-of-bacillary-dysentery-and-characteristics-of-antimicrobial-resistance-of-shigella-isolated-in-china-from-2004-2014
#9
Zhaorui Chang, Jing Zhang, Lu Ran, Junling Sun, Fengfeng Liu, Li Luo, Lingjia Zeng, Liping Wang, Zhongjie Li, Hongjie Yu, Qiaohong Liao
BACKGROUND: Bacillary dysentery caused by bacteria of the genus Shigella is a significant public health problem in developing countries such as China. The objective of this study was to analyze the epidemiological pattern of bacillary dysentery, the diversity of the causative agent, and the antimicrobial resistance patterns of Shigella spp. for the purpose of determining the most effective allocation of resources and prioritization of interventions. METHODS: Surveillance data were acquired from the National Infectious Disease Information Reporting System (2004-2014) and from the sentinel hospital-based surveillance system (2005-2014)...
November 18, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27846254/extended-spectrum-beta-%C3%AE-lactamases-and-antibiogram-in-enterobacteriaceae-from-clinical-and-drinking-water-sources-from-bahir-dar-city-ethiopia
#10
Bayeh Abera, Mulugeta Kibret, Wondemagegn Mulu
BACKGROUND: The spread of Extended-Spectrum beta (β)-Lactamases (ESBL)-producing Enterobacteriaceae has become a serious global problem. ESBL-producing Enterobacteriaceae vary based on differences in antibiotic use, nature of patients and hospital settings. This study was aimed at determining ESBL and antibiogram in Enterobacteriaceae isolates from clinical and drinking water sources in Bahir Dar City, Northwest Ethiopia. METHODS: Enterobacteriaceae species were isolated from clinical materials and tap water using standard culturing procedures from September 2013 to March 2015...
2016: PloS One
https://www.readbyqxmd.com/read/27845294/-antibiotic-sensitivity-resistance-of-microbial-strains-isolated-in-traumatological-department
#11
N Avazashvili, P Imnadze, I Mchedlishvili, Kh Gachechiladze
In this article, there are given data of study for antibiotic sensitivity/resistance of gram-positive and gram-negative representatives of different microbial species, isolated from patients after primary hip replacement and osteosynthesis of long bones, which had post operative infectious complications, and also isolated from samples of traumatology department environment. Identification of sensitivity/resistance to antibiotics was performed with use of two methods - disc diffusion and serial dilution on solid nutrient media...
October 2016: Georgian Medical News
https://www.readbyqxmd.com/read/27836382/propensity-score-matched-analysis-comparing-the-therapeutic-efficacies-of-cefazolin-and-extended-spectrum-cephalosporins-as-appropriate-empirical-therapy-in-adults-with-community-onset-escherichia-coli-klebsiella-spp-and-proteus-mirabilis-bacteraemia
#12
Chih-Chia Hsieh, Chung-Hsun Lee, Ming-Yuan Hong, Yuan-Pin Hung, Nan-Yao Lee, Wen-Chien Ko, Ching-Chi Lee
In this study, the therapeutic efficacy of cefazolin was compared with that of extended-spectrum cephalosporins (ESCs) (cefotaxime, ceftriaxone and ceftazidime) as appropriate empirical therapy in adults with community-onset monomicrobial bacteraemia caused by Escherichia coli, Klebsiella spp. or Proteus mirabilis (EKP). Compared with cefazolin-treated patients (n = 135), significantly higher proportions of patients in the ESC treatment group (n = 456) had critical illness at bacteraemia onset (Pitt bacteraemia score ≥4) and fatal co-morbidities (McCabe classification)...
October 26, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27836033/on-farm-starling-populations-and-other-environmental-and-management-factors-associated-with-the-presence-of-cefotaxime-and-ciprofloxacin-resistant-e-coli-among-dairy-cattle-in-ohio
#13
Genet A Medhanie, David L Pearl, Scott A McEwen, Michele T Guerin, Claire M Jardine, Jennifer Schrock, Jeffrey T LeJeune
Wild birds that forage around livestock facilities have been implicated as vectors of antimicrobial resistant organisms. Although antimicrobial resistant bacteria have been isolated from European starlings (Sturnus vulgaris), their role in the dissemination of antimicrobial resistant elements in livestock facilities needs further investigation. To determine whether on-farm starling density and other factors were associated with the presence of cefotaxime and ciprofloxacin resistant E. coli among dairy cows in Ohio, bovine fecal pats from 150 farms were tested for the presence of cefotaxime and ciprofloxacin resistant E...
November 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27829327/virulence-factors-and-clinical-patterns-of-hypermucoviscous-klebsiella-pneumoniae-isolated-from-urine
#14
Youn Jeong Kim, Sang Il Kim, Yang Ree Kim, Seong Heon Wie, Hae Kyung Lee, Soo-Young Kim, Yeon-Joon Park
BACKGROUND: Klebsiella pneumoniae with hypermucoviscosity (HM) phenotype is generally more virulent than HM-negative strains. The aim of this study was to investigate the prevalence of HM phenotype among urinary isolates and to compare the virulence factors, antimicrobial susceptibility patterns and clinical characteristics of HM-positive and -negative K. pneumoniae isolated from urine of hospitalized patients. METHODS: From June to October 2013, a total of 81 non-repetitive K...
November 9, 2016: Infectious Diseases
https://www.readbyqxmd.com/read/27826884/antibiotics-modulate-the-ability-of-neutrophils-to-release-neutrophil-extracellular-traps
#15
A Manda-Handzlik, W Bystrzycka, S Sieczkowska, U Demkow, O Ciepiela
Antibiotics directly inhibit the growth and kill microorganisms, and many of them have immunomodulatory properties. We investigated the influence of cefotaxime and gentamicin on the release of neutrophil extracellular traps (NETs) - recently described strategy employed by neutrophils to fight infections. We found that gentamicin inhibits NETs release by human neutrophils, while cefotaxime did not have any impact on this process. The information that antibiotics can modulate NETs release, can be useful in the therapy of infectious diseases in patients suffering from NET-related diseases...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27824151/the-antimicrobial-susceptibility-of-klebsiella-pneumoniae-from-community-settings-in-taiwan-a-trend-analysis
#16
Wu-Pu Lin, Jann-Tay Wang, Shan-Chwen Chang, Feng-Yee Chang, Chang-Phone Fung, Yin-Ching Chuang, Yao-Shen Chen, Yih-Ru Shiau, Mei-Chen Tan, Hui-Ying Wang, Jui-Fen Lai, I-Wen Huang, Tsai-Ling Lauderdale
Drug-resistant Klebsiella pneumoniae, especially extended-spectrum β-lactamase (ESBL)- and/or AmpC β-lactamase-producing strains, is an emerging problem worldwide. However, few data focusing on drug susceptibility of K. pneumoniae from community is available. In this study, we analyzed 1016 K. pneumoniae isolates from outpatients or those visiting emergency rooms collected during 2002-2012 from Taiwan Surveillance of Antimicrobial Resistance program. Significantly decreased susceptibilities to 3(rd) generation cephalosporins and ciprofloxacin were found during the study period...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27822762/clinical-practice-audit-concerning-antimicrobial-prophylaxis-in-paediatric-neurosurgery-results-from-a-german-paediatric-oncology-unit
#17
Katja Weiss, Arne Simon, Norbert Graf, Jakob Schöpe, Joachim Oertel, Stefan Linsler
BACKGROUND: Perioperative antimicrobial prophylaxis (PAP) has been identified as an important target for internal audits, concerning the judicious use of antibiotics. Paediatric oncology patients with brain tumours face an increased risk of surgical site infection (SSI) after neurosurgery and receive routine PAP in this setting. PATIENTS AND METHODS: All patients younger than 18 years admitted to the paediatric oncology centre (POC) with a neurosurgical intervention...
November 7, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27821452/ctx-m-190-a-novel-%C3%AE-lactamase-resistant-to-tazobactam-and-sulbactam-identified-in-an-escherichia-coli-clinical-isolate
#18
Zhen Shen, Baixing Ding, Yingmin Bi, Shi Wu, Su Xu, Xiaogang Xu, Qinglan Guo, Minggui Wang
A novel β-lactamase CTX-M-190, derived from CTX-M-55 by a single substitution Ser133Thr, was identified in a natural Escherichia coli clinical isolate. CTX-M-190 exhibited potent hydrolytic activity against cefotaxime with kcat/Km 14.5 μM(-1) s(-1) and was resistant to inhibition by β-lactamase inhibitors tazobactam and sulbactam with the 50% inhibitory concentrations 77- and 55-fold higher than those of CTX-M-55, respectively. blaCTX-M-190 was located within the genetic platform, ISEcp1-blaCTX-M-orf477, which was harbored by a 70kb IncI1 plasmid...
November 7, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27818656/antimicrobial-susceptibility-of-autochthonous-aquatic-vibrio-cholerae-in-haiti
#19
Sandrine Baron, Jean Lesne, Eric Jouy, Emeline Larvor, Isabelle Kempf, Jacques Boncy, Stanilas Rebaudet, Renaud Piarroux
We investigated the antimicrobial susceptibility of 50 environmental isolates of Vibrio cholerae non-O1/non-O139 collected in surface waters in Haiti in July 2012, during an active cholera outbreak. A panel of 16 antibiotics was tested on the isolates using the disk diffusion method and PCR detection of seven resistance-associated genes (strA/B, sul1/2, ermA/B, and mefA). All isolates were susceptible to amoxicillin-clavulanic acid, cefotaxime, imipenem, ciprofloxacin, norfloxacin, amikacin, and gentamicin...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27815778/high-target-attainment-for-%C3%AE-lactam-antibiotics-in-intensive-care-unit-patients-when-actual-minimum-inhibitory-concentrations-are-applied
#20
H Woksepp, A Hällgren, S Borgström, F Kullberg, A Wimmerstedt, A Oscarsson, P Nordlund, M-L Lindholm, J Bonnedahl, L Brudin, B Carlsson, T Schön
Patients in the intensive care unit (ICU) are at risk for suboptimal levels of β-lactam antibiotics, possibly leading to poor efficacy. Our aim was to investigate whether the actual minimum inhibitory concentration (MIC) compared to the more commonly used arbitrary epidemiological cut-off values (ECOFFs) would affect target attainment in ICU patients on empirical treatment with broad-spectrum β-lactam antibiotics and to identify risk factors for not reaching target. In a prospective, multicenter study, ICU patients ≥18 years old and treated with piperacillin/tazobactam, meropenem, or cefotaxime were included...
November 4, 2016: European Journal of Clinical Microbiology & Infectious Diseases
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