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trimethoprim sulfamethoxazole

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https://www.readbyqxmd.com/read/29784273/halogenated-trimethoprim-derivatives-as-multidrug-resistant-staphylococcus-aureus-therapeutics
#1
Napon Nilchan, Wanida Phetsang, Taechin Nowwarat, Soraya Chaturongakul, Chutima Jiarpinitnun
Incorporation of halogen atoms to drug molecule has been shown to improve its properties such as enhanced in membrane permeability and increased hydrophobic interactions to its target. To investigate the effect of halogen substitutions on the antibacterial activity of trimethoprim (TMP), we synthesized a series of halogen substituted TMP and tested for their antibacterial activities against global predominant methicillin resistant Staphylococcus aureus (MRSA) strains. Structure-activity relationship analysis suggested a trend in potency that correlated with the ability of the halogen atom to facilitate in hydrophobic interaction to saDHFR...
May 19, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29784040/antimicrobial-resistance-profile-of-staphylococcus-aureus-isolated-from-patients-with-infection-at-tikur-anbessa-specialized-hospital-addis-ababa-ethiopia
#2
Sileshi Tadesse, Haile Alemayehu, Admasu Tenna, Getachew Tadesse, Tefaye Sisay Tessema, Workineh Shibeshi, Tadesse Eguale
BACKGROUND: Staphylococcus aureus is one of the major pathogens of public health importance responsible for various forms of infection. Development of resistance to commonly used antimicrobials limited treatment options against infections due to this pathogen. Antimicrobial resistance profile of Staphylococcus aureus isolated from patients with surgical site infection and ear infection and corresponding nasal swab was investigated in Tikur Anbessa Specialized Hospital (TASH), Addis Ababa, Ethiopia...
May 21, 2018: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29782954/comparison-between-disk-diffusion-and-agar-dilution-methods-to-determine-in-vitro-susceptibility-of-corynebacterium-spp-clinical-isolates-and-update-of-their-susceptibility
#3
Claudia Barberis, Eugenia Sandoval, Carlos Hernán Rodriguez, María Soledad Ramírez, Angela Famiglietti, Marisa Almuzara, Carlos Vay
INTRODUCTION: Although Corynebacterium species are part of the skin and mucous membranes microbiota, human infections caused by Corynebacterium spp. have been reported and the multidrug resistance pattern of the recovered isolates was emphasized. Due to the usefulness of disk diffusion in daily practice, the purpose of this work was to compare disk diffusion against agar dilution to determine disk diffusion breakpoints and to review the antimicrobial susceptibility of the most frequent Corynebacterium spp...
May 18, 2018: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29780901/nocardial-scleritis-a-case-report-and-a-suggested-algorithm-for-disease-management-based-on-a-literature-review
#4
Laura Pires da Cunha, Verena Juncal, Cecília Godoy Carvalhaes, Sylvia Cardoso Leão, Erica Chimara, Denise Freitas
Purpose: To report a case of nocardial scleritis and to propose a logical treatment algorithm based on a literature review. Observations: It is important to suspect a nocardial infection when evaluating anterior unilateral scleritis accompanied by multiple purulent or necrotic abscesses, especially in male patients with a history of chronic ocular pain and redness, trauma inflicted by organic materials, or recent ophthalmic surgery. A microbiological investigation is essential...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29780414/antibiotic-prophylaxis-with-trimethoprim-sulfamethoxazole-versus-no-treatment-after-mid-to-distal-hypospadias-repair-a-prospective-randomized-study
#5
Elizabeth B Roth, John V Kryger, Charles T Durkee, Melissa A Lingongo, Ruth M Swedler, Travis W Groth
Purpose: To evaluate the impact of prophylactic antibiotics after distal hypospadias repair on postoperative bacteriuria, symptomatic urinary tract infection, and postoperative complications in a prospective, randomized trial. Materials and Methods: Consecutive patients aged 6 months to 2 years were enrolled at our institution between June 2013 and May 2017. Consenting patients were randomized to antibiotic prophylaxis with trimethoprim-sulfamethoxazole versus no antibiotic...
2018: Advances in Urology
https://www.readbyqxmd.com/read/29776758/using-preference-learning-for-detecting-inconsistencies-in-clinical-practice-guidelines-methods-and-application-to-antibiotherapy
#6
Rosy Tsopra, Jean-Baptiste Lamy, Karima Sedki
Clinical practice guidelines provide evidence-based recommendations. However, many problems are reported, such as contradictions and inconsistencies. For example, guidelines recommend sulfamethoxazole/trimethoprim in child sinusitis, but they also state that there is a high bacteria resistance in this context. In this paper, we propose a method for the semi-automatic detection of inconsistencies in guidelines using preference learning, and we apply this method to antibiotherapy in primary care. The preference model was learned from the recommendations and from a knowledge base describing the domain...
May 15, 2018: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/29773433/-cerebral-and-pulmonary-nocardiosis-to-nocardia-abscessus-in-an-immunocompetent-algerian-patient
#7
D Arrache, H Zait, V Rodriguez-Nava, E Bergeron, T Durand, M Yahiaoui, F Grenouillet, A Amrane, F Chaouche, A Baiod, K Madani, B Hamrioui
Nocardial brain abscess is often occurring in immunocompromised patients. It is uncommon in immunocompetent individuals. Here, the authors describe a case of cerebral and pulmonary nocardiosis mimicking a metastatic tumor in an apparently health 40-year-old Algerian male. The patient presented multiple brain abscess revealed by inaugural epileptic seizure. He was afebrile and presented with left hemiparesis. Staging imaging showed a nodular lung lesion in the apical segment of the right lower lobe. The patient underwent double craniotomy for resection of the lesion...
May 14, 2018: Journal de Mycologie Médicale
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/29768566/pulmonary-paracoccidioidomycosis-a-case-report-of-reactivation-in-a-patient-receiving-biological-therapy
#9
Lúcia Carla Polaco Covre, Pâmela Mazzini Hombre, Aloísio Falqueto, Paulo Mendes Peçanha, Valéria Valim
Paracoccidioidomycosis is an endemic disease in Latin America that is rarely associated with immunosuppression and biological therapy. Herein, we report for the first time a case of pulmonary paracoccidioidomycosis reactivation after infliximab treatment. A 47-year-old man from Brazil received infliximab to treat psoriatic spondyloarthropathy and presented with cough, dyspnea, weight loss, and fever. Chest computed tomography revealed a pulmonary nodule and biopsy confirmed paracoccidioidomycosis. Treatment with sulfamethoxazole and trimethoprim was initiated for fungal infection and infliximab was reintroduced two months later...
March 2018: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29758282/stevens-johnson-syndrome-toxic-epidermal-necrolysis-a-multicenter-retrospective-study-of-377-adult-patients-from-the-united-states
#10
Robert G Micheletti, Zelma Chiesa-Fuxench, Megan H Noe, Sasha Stephen, Maria Aleshin, Ashwin Agarwal, Jennifer Boggs, Adela R Cardones, Jennifer K Chen, Jonathan Cotliar, Mark Dp Davis, Arturo Dominguez, Lindy P Fox, Shayna Gordon, Ronald Hamrick, Baran Ho, Lauren C Hughey, Larry M Jones, Benjamin H Kaffenberger, Kimball Kindley, Daniela Kroshinsky, Bernice Y Kwong, Daniel D Miller, Arash Mostaghimi, Amy Musiek, Alex G Ortega-Loayza, Raj Patel, Alba Posligua, Monica Rani, Sandeep Saluja, Victoria R Sharon, Kanade Shinkai, Jessica St John, Nicole Strickland, Erika M Summers, Natalie Sun, Karolyn A Wanat, David A Wetter, Scott Worswick, Caroline Yang, David J Margolis, Joel M Gelfand, Misha Rosenbach
Stevens-Johnson syndrome / toxic epidermal necrolysis (SJS/TEN) is a rare, severe mucocutaneous reaction with few large cohorts reported. This multicenter retrospective study included patients with SJS/TEN seen by inpatient consultative dermatologists at 18 academic medical centers in the United States. 377 adult patients with SJS/TEN between 1/1/2000 and 6/1/2015 were entered, including 69.0% from 2010 onward. The most frequent cause of SJS/TEN was medication reaction (89.7%), most often trimethoprim / sulfamethoxazole (27...
May 11, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29755727/antimicrobial-resistance-profile-of-e-coli-isolated-from-raw-cow-milk-and-fresh-fruit-juice-in-mekelle-tigray-ethiopia
#11
Haftay Abraha Tadesse, Netsenet Berhe Gidey, Kidane Workelule, Hagos Hailu, Seyfe Gidey, Abrha Bsrat, Habtamu Taddele
Aim: Foodborne illnesses represent a public health problem in developed and developing countries. They cause great suffering and are transmitted directly or indirectly between animals and humans and circulate in the global environment . E. coli are among them, causing a major public health problem. The aim of this study was therefore to study the antimicrobial resistance profile of E. coli from raw cow milk and fruit juice. Materials and Methods: A cross-sectional study was conducted from October 2016 to June 2017 on 258 samples collected from milk shops ( n = 86), dairy farms ( n = 86), and fruit juice ( n = 86) in different subcities of Mekelle...
2018: Veterinary Medicine International
https://www.readbyqxmd.com/read/29750585/clustering-analysis-of-antibiograms-and-antibiogram-types-of-streptococcus-agalactiae-strains-from-tilapia-in-china
#12
Chan Liu, Juan Feng, Defeng Zhang, Yundan Xie, Anxing Li, Jiangyong Wang, Youlu Su
In view of the changing antibiotic-resistance profiles of Streptococcus agalactiae from tilapia in China, antimicrobial susceptibilities of 75 S. agalactiae strains were determined by the disc diffusion method, and cluster analyses of the antibiograms and antibiogram types were performed. All strains displayed multidrug resistance (MDR). The antimicrobial-resistance rates were highest (>90%) to aminoglycosides, sulfonamides, pipemidic acid, and norfloxacin, followed by penicillin, ampicillin, and ciprofloxacin (26...
May 11, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29745876/the-presence-of-staphylococcal-superantigens-in-nasal-swabs-and-correlation-with-activity-of-granulomatosis-with-polyangiitis-in-own-material
#13
Justyna Fijołek, Elzbieta Wiatr, Violetta Petroniec, Ewa Augustynowicz-Kopec, Michal Bednarek, Dariusz Gawryluk, Magdalena Maria Martusewicz-Boros, Katarzyna Modrzewska, Elzbieta Radzikowska, Kazimerz Roszkowski-Sliz
OBJECTIVES: Nasal carriage of Staphylococcus aureus and its superantigens (SAg) seem to be a risk factor disease exacerbation in granulomatosis with polyangiitis (GPA). We investigated the association between the presence of SAg in nasal swabs and activity of disease in GPA patients also taking into account correlation with an antimicrobial treatment. METHODS: In a prospective study of a total of 150 GPA patients hospitalised in the period 2009-2016, nasal swabs were examined for the presence of Staphylococcus aureus and SAg...
May 4, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29741928/comparative-study-on-antibiotic-resistance-and-dna-profiles-of-salmonella-enterica-serovar-typhimurium-isolated-from-humans-retail-foods-and-the-environment-in-shanghai-china
#14
Zengfeng Zhang, Chenyang Cao, Bin Liu, Xuebin Xu, Yanfei Yan, Shenghui Cui, Sheng Chen, Jianghong Meng, Baowei Yang
We characterized antibiotic resistance profiles, antibiotic resistance-associated genes, and pulsed-field gel electrophoresis (PFGE) patterns of 145 Salmonella enterica serotype Typhimurium isolates from human infections and retail foods that were possibly responsible for salmonellosis outbreaks from 2008 to 2012 in Shanghai, China. Resistance to at least three antibiotics was found in 66.7% of chicken isolates, 76.5% of duck isolates, 77.8% of pork isolates, and 80.5% of human isolates. Seven antibiotic resistance phenotypes were detected in chicken isolates, 16 in pork isolates, 17 in duck isolates, and 50 in human isolates...
May 9, 2018: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/29740891/effects-of-gut-microbiota-and-time-of-treatment-on-tissue-levels-of-green-tea-polyphenols-in-mice
#15
Anna B Liu, Siyao Tao, Mao-Jung Lee, Qi Hu, Xiaofeng Meng, Yong Lin, Chung S Yang
The previous studies have shown that tea polyphenols are metabolized by gut microbiota. This study investigated the effect of gut microbiota on the bioavailability, tissue levels, and degradation of tea polyphenols. Mice were treated with antibiotics (ampicillin/sulfamethoxazole/trimethoprim) in drinking water and the control mice received water for 11 days, and they were given an AIN93M diet enriched with 0.32% of Polyphenon E. The levels of catechins and their metabolites (if present) in the serum, liver, urine, and fecal samples were determined by high-performance liquid chromatography...
May 8, 2018: BioFactors
https://www.readbyqxmd.com/read/29737456/disseminated-nocardiosis-caused-by-nocardia-elegans-a-case-report-and-review-of-the-literature
#16
Yi You, Wenchief Chen, Baiyu Zhong, Ziqiang Song, Xichuan Yang
BACKGROUND: Disseminated nocardiosis is a rare disease mostly occurring in immunocompromised patients. METHODS: We report a case of disseminated nocardiosis in a diabetic patient with both pulmonary and cutaneous involvement. Nocardia elegans was isolated and identified using the 16s ribosomal RNA gene sequence data. RESULTS: Clinical improvement was observed within 3 months after initiation of antimicrobial treatment with oral doxycycline, trimethoprim-sulfamethoxazole and intravenous penicillin, but the patient died 5 months later after arbitrary discontinuation of the treatment...
May 8, 2018: Infection
https://www.readbyqxmd.com/read/29735840/-in-vitro-analysis-of-the-minimal-inhibitory-concentration-values-of-different-generations-of-anti-methicillin-resistant-staphylococcus-aureus-antibiotics
#17
Aneta Guzek, Zbigniew Rybicki, Dariusz Tomaszewski
Methicillin-resistant Staphylococcus aureus (MRSA) resistance to antimicrobials may result in the increased risk of treatment failure. The objective of the study was to analyse in vitro MRSA susceptibility to vancomycin, linezolid, daptomycin, tigecycline, ceftaroline, dalbavancin, clindamycin, ciprofloxacin and trimethoprim/sulfamethoxazole. All MRSA strains isolated from hospitalised patients were analysed according to the current microbiological recommendations. Finally, a total of 124 MRSA strains were analysed; all were susceptible to tested antibiotics...
January 2018: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29734026/occurrence-and-ecological-risk-of-pharmaceuticals-in-river-surface-water-of-bangladesh
#18
Anwar Hossain, Shihori Nakamichi, Md Habibullah-Al-Mamun, Keiichiro Tani, Shigeki Masunaga, Hiroyuki Matsuda
Pharmaceutical contamination in the aquatic environment is a global issue that affects aquatic animals, micro-organisms and human health. The occurrence and preliminary ecological risk of 12 (11 antibiotics and 1 antiepileptic drug) pharmaceuticals were investigated for the first time in the surface water of the old Brahmaputra River, where open-water-fed aquaculture activities are being practiced in Bangladesh. The pharmaceuticals were quantified by high-performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS), operated with positive electrospray ionization (ESI+ ) and a multiple reaction monitoring (MRM) mode...
May 4, 2018: Environmental Research
https://www.readbyqxmd.com/read/29729515/pharmaceutically-active-compounds-in-the-xiangjiang-river-china-distribution-pattern-source-apportionment-and-risk-assessment
#19
Huiju Lin, Leilei Chen, Haipu Li, Zhoufei Luo, Jing Lu, Zhaoguang Yang
The occurrence of 36 pharmaceutically active compounds in surface water of the Xiangjiang River was investigated in two seasons (n = 38). Twenty-five of these compounds were detected, with cefotaxime (maximum concentration 830 ng L-1 ) the most abundant compound followed by amoxicillin (maximum concentration 710 ng L-1 ). The spatiotemporal distribution was observed; indicating that pollution hotspots were mostly located in economically developed and densely populated regions such as Changsha City...
May 2, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29728969/occurrence-distribution-and-seasonal-variation-of-antibiotics-in-an-artificial-water-source-reservoir-in-the-yangtze-river-delta-east-china
#20
Changzheng Cui, Qi Han, Lei Jiang, Lei Ma, Lei Jin, Dong Zhang, Kuangfei Lin, Tianyang Zhang
This study investigated the occurrence and variation of 11 antibiotics (including four sulfonamides (SAs), four fluoroquinolones (FQs), two tetracyclines (TCs), and one macrolide (ML)) and one SA synergist trimethoprim (TMP) in an artificial drinking water source reservoir in Yangtze River delta of East China. Water samples were collected each month from January to November in 2014 at the water inlet and outlet site of the reservoir. Sulfamethoxazole, sulfadiazine, and norfloxacin were detected with the high frequencies of 100, 92...
May 4, 2018: Environmental Science and Pollution Research International
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