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Antibiotic sensitivity

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https://www.readbyqxmd.com/read/28936955/-analysis-of-characteristics-of-bacteria-in-respiratory-tract-infection-in-2013-2016-in-heibei-3a-hospital-a-single-center-report-of-7-497-patients
#1
Lili Hou, Lili Liu, Ping Dang, Guannan Kang, Qinfeng Zhang, Dongling Li
OBJECTIVE: To analyze the changes and characteristics of respiratory tract bacteria in Hebei 3A Hospital, and to provide new rationale for clinical diagnosis and treatment. METHODS: A single-center retrospective analysis was conducted. 7 497 patients with respiratory tract infection admitted to Hebei Chest Hospital from January 2013 to December 2016 were enrolled. Deep sputum was collected, and the bacterial cultures and susceptibility analysis was conducted in sputum and upper respiratory secretions were collected by fiberoptic bronchoscopy...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28936051/bacterial-contamination-of-multi-dose-eye-drops-at-ophthalmology-department-university-of-gondar-northwest-ethiopia
#2
Asegedech Tsegaw, Asamere Tsegaw, Tefera Abula, Yared Assefa
PURPOSE: Ophthalmic solutions used for both diagnostic and therapeutic purposes were found to be contaminated with bacteria pathogens and caused serious ocular infections such as keratitis and endophthalmitis. The objective was to assess the magnitude and pattern of bacterial contamination of multi-dose ophthalmic medications and investigate the drug susceptibility pattern of the isolates in the Department of Ophthalmology at Gondar University Teaching Hospital. METHODS: A total of 100 ophthalmic medications in-use by patients and eye-care workers have been taken and cultured for potential bacterial contamination in the Microbiology Department after 1 week and >1 week of use...
April 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28935553/prevalence-risk-factors-and-antimicrobial-susceptibility-test-of-staphylococcus-aureus-in-bovine-cross-breed-mastitic-milk-in-and-around-asella-town-oromia-regional-state-southern-ethiopia
#3
Befikadu Seyoum, Hailemariam Kefyalew, Birhanu Abera, Nejash Abdela
A cross sectional study was undertaken from November 2016 to March 2017 in and around Asella town, Oromia regional state, southern Ethiopia, to determine the prevalence, associated risk factors and antimicrobial susceptibility of Staphylococcus aureus, in Bovine cross breed mastitis milk. A total of 384 lactating dairy cows were screened for mastitis based on clinical examinations and California mastitis test (CMT). Out of 230 lactating crossbred cows with either clinical or subclinical mastitis examined for the involvement of Staphylococcus aureus...
September 18, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28934031/simultaneous-detection-of-15-antibiotic-growth-promoters-in-bovine-muscle%C3%AF-blood-and-urine-by-uplc-ms-ms
#4
Zhi Wang, Zongwei Shi, Cunxian Xi, Guomin Wang, Shurui Cao, Lei Zhang, Bobin Tang, Zhaode Mu
An analytical method was established for the rapid detection of antibiotic growth promoters (AGPs) in bovine muscle, and bovine blood and bovine urine, using ultra high performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS). After the addition of an aqueous solution of EDTA-Na2, the pH of bovine urine samples was directly adjusted to 5.2 by acetic acid-ammonium acetate and purified by HLB solid-phase extraction cartridge; bovine muscle and bovine blood samples processing were extracted with acetonitrile (ACN) and ACN-water (90:10; v/v) without any purification step...
September 21, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28933177/-community-pneumonia-fundamentals-of-diagnosing-and-treatment
#5
Vítězslav Kolek
Pneumonia is the most serious respiratory disease which causes more than 3 000 deaths per year in the Czech Republic. Community-acquired pneumonia is contracted in the ordinary life environment outside of hospitals, its development is caused by known infectious agents which mostly exhibit satisfactory sensitivity to antibiotics. Diagnosing, prevention and treatment of the disease are described including considerations of individual evaluation of the risk of complications and possible death. The strategy of administering antibiotics is discussed...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28932297/flow-cytometry-in-detecting-resistant-e-coli-strains
#6
Lyudmila Akhmaltdinova, Alyona Lavrinenko, Ilya Belyayev
Antibacterial drugs are the most consumed group of drugs in the modern hospitals. Standard methods of antibiotic sensitivity are labour and time-consuming, taking up to 24 hours after the pure culture is isolated (the analysis typically lasts up to 72 hours). Working out express diagnostic methods is of importance, and studies are made in various directions. Flow cytometry in detecting resistant E. coli strains was used. Flow cytometry fluorescent dyes were used to stain viable and dead cells. For method validation, relative accuracy, relative susceptibility, relative specificity and Cohen's kappa test were determined compared to the delusion test...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28931414/coagulase-gene-polymorphism-enterotoxigenecity-biofilm-production-and-antibiotic-resistance-in-staphylococcus-aureus-isolated-from-bovine-raw-milk-in-north-west-india
#7
Vishnu Sharma, Sanjita Sharma, Dinesh Kumar Dahiya, Aarif Khan, Manisha Mathur, Aayushi Sharma
BACKGROUND: Staphylococcus aureus is the predominant bacterium responsible for various diseases in animals and humans. Preventive strategies could be better implemented by understanding the prevalence, genetic patterns, and the presence of enterotoxin and biofilm-producing genes along with the antibiotic susceptibility of this organism. This study was conducted in Rajasthan, the northwestern state of India, holding the largest population of cattle that makes it the second largest milk producer in India and no such prior information is available on these aspects...
September 20, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28929962/-determination-of-in-vitro-susceptibilities-of-brucella-spp-strains-against-11-different-antibacterial-gents-isolated-from-blood-cultures
#8
Recep Keşli, Hüseyin Bilgin, Halim Yılmaz
Brucellosis is a worldwide zoonotic disease and still continuous to be a major public health problem. In this study, it was aimed to identify the Brucella strains to the species level isolated from blood cultures, and to determine the rate of antimicrobial susceptibility against eleven antibacterial agents. A total of 106 Brucella spp. strains were included in the study, which were isolated from blood cultures in University of Health Sciences, Konya Training and Research Hospital, Medical Microbiology Laboratory between January 2011 and June 2013...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929961/-national-antimicrobial-resistance-surveillance-system-namrss-external-quality-assessment-studies-2011-2016
#9
Serap Süzük Yıldız, Hüsniye Şimşek, Nilay Çöplü, Zeynep Gülay
Establishment of sustainable and evidence-based surveillance systems are recommended for prevention of microbial resistance by the World Health Organization (WHO). As a necessity of these surveillance systems, participants are recommended to implement an external quality assessment (EQA) program. In this scope, National Antimicrobial Resistance Surveillance System (NARSS) has been established within the Public Health Institute of Turkey (PHIT) in our country since 2011. In the scope of this surveillance, NARSS EQA program has been implemented in a cycle per year and four isolates were sent to participants per cycle every year since 2011...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929959/-in-vitro-effect-of-vancomycin-and-daptomycin-on-biofilm-formation-of-coagulase-negative-staphylococci-strains
#10
Duygu Nilüfer Öcal, İştar Dolapçı, Zeynep Gençtürk, Alper Tekeli
Coagulase-negative staphylococci (CNS) are one of the primer agents of blood stream infections (BSI) and catheter-related bloodstream infections (CR-BSI) which are associated mostly with the usage of central venous catheters and, important causes of morbidity and mortality despite the usage of antibacterial and supportive treatment. It is important to determine the properties of these causative microorganisms in order to make appropriate treatment of such infections. The aims of our study were to evaluate the biofilm formation of coagulase negative staphylococci (CNS) which were causative agents of bloodstream (BSI) and catheter related bloodstream infections (CR-BSI), to determine the minimum inhibitory concentration (MIC) of planktonic forms and minimal biofilm eradication concentration (MBEC) of sessile forms for vancomycin and daptomycin and to evaluate the efficacy of these antibiotics in infections with biofilm-forming isolates in vitro...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929862/the-accuracy-of-the-computed-tomography-diagnosis-of-acute-appendicitis-does-the-experience-of-the-radiologist-matter
#11
E Lietzén, P Salminen, I Rinta-Kiikka, H Paajanen, T Rautio, P Nordström, M Aarnio, T Rantanen, J Sand, J-P Mecklin, A Jartti, J Virtanen, P Ohtonen, N Ånäs, J M Grönroos
BACKGROUND AND AIMS: To assess the accuracy of computed tomography in diagnosing acute appendicitis with a special reference to radiologist experience. MATERIAL AND METHODS: Data were collected prospectively in our randomized controlled trial comparing surgery and antibiotic treatment for uncomplicated acute appendicitis (APPAC trial, NCT01022567). We evaluated 1065 patients who underwent computed tomography for suspected appendicitis. The on-call radiologist preoperatively analyzed these computed tomography images...
September 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28929546/impact-of-selective-media-for-detecting-fluoroquinolone-insusceptible-extended-spectrum-beta-lactamase-producing-escherichia-coli-before-transrectal-prostate-biopsy
#12
Takuya Sadahira, Koichiro Wada, Motoo Araki, Ayano Ishii, Toyohiko Watanabe, Yoshitsugu Nasu, Masaya Tsugawa, Tadasu Takenaka, Yasutomo Nasu, Hiromi Kumon
OBJECTIVES: To investigate the prevalence of fluoroquinolone-insusceptible and/or extended-spectrum beta-lactamase-producing Escherichia coli colonizing in the male rectum before transrectal prostate biopsy. METHODS: We carried out a prospective cohort study of men undergoing transrectal prostate biopsy. CHROMagar Orientation originally supplemented with levofloxacin and CHROMagar Orientation/extended-spectrum beta-lactamase were used for detecting fluoroquinolone-insusceptible and extended-spectrum beta-lactamase-producing Escherichia coli...
September 20, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28929047/determining-frequency-of-genes-of-ctx-m-and-ctx-m-15-of-producing-enterobacteriaceae-of-isolated-extended-spectrum-beta-lactamases-from-clinical-samples-of-patients-referred-to-training-hospitals-of-medical-sciences-university-khorramabad-iran
#13
Seyed Mojtaba Mosavian, Azam Rezvani-Rad
OBJECTIVE: The purpose of conducting this research was evaluation of the frequency of extended-spectrum beta-lactamases (ESBLs) in separated Enterobacteriaceae isolates from clinical samples in Khorramabad city and determination of their antimicrobial resistance pattern. MATERIALS AND METHODS: In this study, 240 isolates belonging to Enterobacteriaceae family were collected in time duration between March and June in 2014. The isolates were identified by standard biochemical tests...
April 2017: International Journal of Pharmaceutical Investigation
https://www.readbyqxmd.com/read/28926883/-etiological-analysis-and-in-vitro-drug-sensitivity-of-bacterial-keratitis-in-northern-china-in-the-period-of-2006-2015
#14
Y Zhang, Z Q Wang, X G Sun
Objective: To analyze the etiology and drug sensitivity of bacterial keratitis and their changes, and to provide evidence for treatment and drug selection of bacterial keratitis. Methods: Retrospective case series study. From January 2006 to December 2015, corneal specimens suspected of bacterial infection were collected and cultured in Beijing Tongren Eye Center. General information of patients, etiological results and drug sensitivity test results were summarized and analyzed. The Chi-square test and Spearman correlation analysis were performed using SPSS 20...
September 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28926767/stabilization-of-t4-bacteriophage-at-acidic-and-basic-ph-by-adsorption-on-paper
#15
Abigail Meyer, Melissa Greene, Chad Kimmelshue, Rebecca Cademartiri
Bacteriophages find applications in agriculture, medicine, and food safety. Many of these applications can expose bacteriophages to stresses that inactivate them including acidic and basic pH. Bacteriophages can be stabilized against these stresses by materials including paper, a common material in packaging and consumer products. Combining paper and bacteriophages creates antibacterial materials, which can reduce the use of antibiotics. Here we show that adsorption on paper protects T4, T5, and T7 bacteriophage from acidic and basic pH...
September 5, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28925647/aseptic-and-bacterial-meningitis-evaluation-treatment-and-prevention
#16
Hillary R Mount, Sean D Boyle
The etiologies of meningitis range in severity from benign and self-limited to life-threatening with potentially severe morbidity. Bacterial meningitis is a medical emergency that requires prompt recognition and treatment. Mortality remains high despite the introduction of vaccinations for common pathogens that have reduced the incidence of meningitis worldwide. Aseptic meningitis is the most common form of meningitis with an annual incidence of 7.6 per 100,000 adults. Most cases of aseptic meningitis are viral and require supportive care...
September 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28925508/the-cost-effectiveness-of-oral-health-interventions-a-systematic-review-of-cost-utility-analyses
#17
Ruvini M Hettiarachchi, Sanjeewa Kularatna, Martin J Downes, Joshua Byrnes, Jeroen Kroon, Ratilal Lalloo, Newell W Johnson, Paul A Scuffham
OBJECTIVES: To assess the usage of cost-utility analysis (CUA) in oral health interventions and to evaluate the methods used and the reporting quality of CUA in publications on oral health interventions. METHODS: A systematic review was performed on literature published between 2000 and 2016 where cost-utility analyses of oral health interventions were included. The reporting quality of these oral health CUAs was assessed against the Consolidated Health Economic Evaluation Reporting Standards (CHEERS) checklist...
September 19, 2017: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/28923875/pharmacological-inhibition-of-the-pseudomonas-aeruginosa-mvfr-quorum-sensing-system-interferes-with-biofilm-formation-and-potentiates-antibiotic-mediated-biofilm-disruption
#18
Damien Maura, Laurence G Rahme
Pseudomonas aeruginosa biofilms contribute to its survival on biotic and abiotic surfaces and represent a major clinical threat due to their high tolerance to antibiotics. Therefore, the discovery of anti-biofilm agents may hold great promise. We show that pharmacological inhibition of the P. aeruginosa quorum sensing regulator MvfR (PqsR) using a benzamide-benzimidazole compound interferes with biofilm formation and potentiates biofilm sensitivity to antibiotics. Such a strategy could have a great potential against P...
September 18, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28923010/the-role-of-the-two-component-systems-cpx-and-arc-in-protein-alterations-upon-gentamicin-treatment-in-escherichia-coli
#19
Emina Ćudić, Kristin Surmann, Gianna Panasia, Elke Hammer, Sabine Hunke
BACKGROUND: The aminoglycoside antibiotic gentamicin was supposed to induce a crosstalk between the Cpx- and the Arc-two-component systems (TCS). Here, we investigated the physical interaction of the respective TCS components and compared the results with their respective gene expression and protein abundance. The findings were interpreted in relation to the global proteome profile upon gentamicin treatment. RESULTS: We observed specific interaction between CpxA and ArcA upon treatment with the aminoglycoside gentamicin using Membrane-Strep-tagged protein interaction experiments (mSPINE)...
September 18, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28920845/modified-use-of-real-time-pcr-detection-of-group-b-streptococcus-in-pregnancy
#20
Ali A Rabaan, Justin V Saunar, Ali M Bazzi, Joan L Soriano
The CDC recommends antenatal screening of vaginal/rectal samples for Streptococcus agalactiae at 35-37 weeks' gestation, with intra-partum antibiotic prophylaxis for positive cases. We tested a modified use of the Cepheid Xpert GBS real-time PCR kit on enrichment cultures from 554 vaginal/rectal swabs compared to the current subculturing gold standard method. Swabs were inoculated on polymyxin nalidixic acid agar plates, and Todd-Hewitt enrichment broth cultures were examined daily for growth. Todd-Hewitt broth culture was also used for Xpert GBS...
September 18, 2017: Journal of Medical Microbiology
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