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trimethoprim sulfamethoxazole

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https://www.readbyqxmd.com/read/28318579/antimicrobial-susceptibility-and-characterization-of-extended-spectrum-%C3%AE-lactamases-in-escherichia-coli-isolated-from-bovine-mastitic-milk-in-south-korea-from-2012-to-2015
#1
Dong-Seob Tark, Dong Chan Moon, Hee Young Kang, Su-Ran Kim, Hyang-Mi Nam, Hee-Soo Lee, Suk-Chan Jung, Suk-Kyung Lim
In this study, we aimed to assess trends in antimicrobial resistance and to investigate the characteristics of extended-spectrum β-lactamase (ESBL)-producing isolates from bovine mastitic milk from 2012 to 2015. A total of 374 Escherichia coli isolates were analyzed (154 in 2012, 113 in 2013, 76 in 2014, and 31 in 2015). No consistent trends in antimicrobial resistance of E. coli isolates occurred during the 4-yr period. The most frequently observed resistance was tetracycline (23.3%), followed by streptomycin (17...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28317803/an-unusual-antibiotic-susceptibility-pattern-in-a-mycobacterium-cosmeticum-strain-isolated-from-the-chesapeake-bay
#2
Vajini Atukorale, Nicholas Boire, Kim Dionne, Stefan Riedel, Nicole Parrish
OBJECTIVE/BACKGROUND: Mycobacterium cosmeticum, first described in 2004, was recovered from a patient undergoing a cosmetic procedure. Subsequently, this species was associated with an outbreak in a nail salon. In all cases, the isolates were susceptible to all antibiotics tested. Recently, however, we recovered a strain of M. cosmeticum from the Chesapeake Bay, resistant to 11 of 14 antimicrobials. The objective of this work was to present our findings on the resistance and susceptibility of this isolate to various antibiotics...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28315874/multiple-drug-hypersensitivity
#3
Werner J Pichler, Yuttana Srinoulprasert, James Yun, Oliver Hausmann
Multiple drug hypersensitivity (MDH) is a syndrome that develops as a consequence of massive T-cell stimulations and is characterized by long-lasting drug hypersensitivity reactions (DHR) to different drugs. The initial symptoms are mostly severe exanthems or drug rash with eosinophilia and systemic symptoms (DRESS). Subsequent symptoms due to another drug often appear in the following weeks, overlapping with the first DHR, or months to years later after resolution of the initial presentation. The second DHR includes exanthema, erythroderma, DRESS, Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN), hepatitis, and agranulocytosis...
March 18, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28303545/low-prevalence-of-dhfr-and-dhps-mutations-in-pneumocystis-jirovecii-strains-obtained-from-a-german-cohort
#4
Isabelle Suárez, Lisa Roderus, Edeltraud van Gumpel, Norma Jung, Clara Lehmann, Gerd Fätkenheuer, Pia Hartmann, Georg Plum, Jan Rybniker
BACKGROUND: Pneumocystis pneumonia (PCP) is an opportunistic and potentially life-threatening infection of immunocompromised individuals. A combination of trimethoprim-sulfamethoxazole is widely used for prophylaxis and treatment of PCP. Polymorphisms in the drug targets, the dihydropteroate synthase (DHPS) or the dihydrofolate reductase (DHFR) are presumably a reason for treatment failure. METHODS: We retrospectively examined the prevalence of DHPS and DHFR mutations in Pneumocystis jirovecii isolates obtained from HIV-infected and non-HIV-infected PCP patients...
March 16, 2017: Infection
https://www.readbyqxmd.com/read/28298258/susceptibility-to-rifaximin-and-other-antimicrobials-of-bacteria-isolated-in-patients-with-acute-gastrointestinal-infections-in-southeast-mexico
#5
O Novoa-Farias, A C Frati-Munari, M A Peredo, S Flores-Juárez, O Novoa-García, J Galicia-Tapia, C E Romero-Carpio
INTRODUCTION: Enteropathogenic bacteria isolated in Mexico City have shown a high rate of resistance to different antibiotics, with the exception of rifaximin (RIF). RIF is a nonabsorbable antibiotic that reaches high fecal concentrations (≈ 8,000μg/g). Susceptibility to antimicrobials can vary in different geographic regions. AIM: To study the susceptibility to rifaximin and other antimicrobials of enteropathogenic bacteria isolated in patients with acute diarrhea in the southeastern region of Mexico...
March 12, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28296377/-melioidosis-report-of-the-first-case-in-a-northern-state-of-m%C3%A3-xico
#6
Carlos Boroel-Cervantes, Mónica Ibarra-Valdez, Sandra Miranda-Pacheco, Elías Sánchez-Camarena, Tamara Wolburgth-Franco, Andrés Ortìz-González, José Luis Domínguez-Ríos
The melioidosis, is an infection caused by Burkhordelia pseudomallei that comprises heterogeneous clinical syndromes with acute or chronic evolution. The objective of this article is to report a case with unusual presentation and outside the known epidemiological context. We present the case of a 48-year-old man who came to our hospital with fever and a history of an abscess in the right subscapular region, physical examination showed hepatomegaly, splenomegaly, fever, without pulmonary symptoms. Within study it reveal multiple abscesses in liver and spleen, requiring surgical exploration and antibiotics (meropenem/vancomycin)...
March 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28292660/prevalence-antimicrobial-resistance-and-multiple-locus-variable-number-tandem-repeat-analysis-profiles-of-diarrheagenic-escherichia-coli-isolated-from-different-retail-foods
#7
Lili Wang, Hiromi Nakamura, Eriko Kage-Nakadai, Yukiko Hara-Kudo, Yoshikazu Nishikawa
Diarrheagenic E. coli (DEC) isolates were recovered from local retail markets and the Osaka Municipal Central Wholesale Market in Japan. Retail food samples were collected for analysis in Osaka Japan from 2005 to 2008 and consisted of 32 beef, 28 pork, 20 poultry, 136 fish, 66 fruits and vegetables and 51 ready-to-eat (RTE) food samples. A total of 82 DEC strains were recovered from 64 (19%) food samples with the highest prevalence in poultry (100%, 20/20), followed by pork (54%, 15/28), beef (28%, 9/32), fruits and vegetables (12%, 8/66), fish (6...
March 7, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28291512/recurrent-trimethoprim-sulfamethoxazole-induced-aseptic-meningitis-with-associated-ampicillin-induced-myoclonic-twitches%C3%A2
#8
Anna Lena Fisse, Katrin Straßburger-Krogias, Ralf Gold, Gisa Ellrichmann
OBJECTIVE: To report a case of recurrent trimethoprim-sulfamethoxazole-induced aseptic meningitis with associated ampicillin-induced myoclonic twitches. MATERIALS AND METHODS: The patient was investigated using cerebral computed tomography, magnetic resonance imaging, cerebrospinal fluid examination, and electroencephalography. Written informed consent was obtained from the patient for access to clinical files for research purposes and publication. RESULTS: We present a middle-aged woman with two recurrent episodes of aseptic meningitis after treatment with trimethoprim-sulfamethoxazole...
March 14, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28290221/microbiological-diagnosis-and-antimicrobial-sensitivity-profiles-in-diseased-free-living-raptors
#9
Anna Vidal, Laia Baldomà, Rafael A Molina-Lopez, Marga Martin, Laila Darwich
Free-living raptors (birds of prey) can act as reservoirs of potentially zoonotic agents but they also can be affected by microorganisms as target hosts. In this retrospective study, microbiological results (n=663) and antibiotic sensitivity profiles (n=108) of bacterial isolates were analyzed from diseased free-living raptors. Sixty-nine percent of cases (n=457) yielded bacteria: 58% were in pure culture and 42% were of different species. Remarkably, samples from necropsies (47%) had higher percentage of pure isolations than those obtained from clinical (31%) samples (p<0...
March 14, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28289036/characterizing-the-antimicrobial-activity-of-n-2-n-4-disubstituted-quinazoline-2-4-diamines-towards-multidrug-resistant-acinetobacter-baumannii
#10
Renee Fleeman, Kurt S Van Horn, Megan M Barber, Whittney N Burda, David L Flanigan, Roman Manetsch, Lindsey N Shaw
We previously reported a series of N(2) ,N(4) -disubstituted quinazoline-2,4-diamine as dihydrofolate reductase inhibitors, with potent in vitro and in vivo antibacterial activity against MRSA strains. In this work we extend our previous study to the Gram-negative pathogen Acinetobacter baumannii We determined that optimized N(2) ,N(4) -disubstituted quinazoline-2,4-diamines are strongly antibacterial against multi-drug resistant A. baumannii strains when the 6-position is substituted with a halide or an alkyl substituent...
March 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28285420/fosfomycin-and-comparator-activity-against-select-enterobacteriaceae-pseudomonas-and-enterococcus-urinary-tract-infection-isolates-from-the-united-states-in-2012
#11
Tiffany R Keepers, Marcela Gomez, Chris Celeri, Kevin M Krause, Donald Biek, Ian Critchley
INTRODUCTION: Fosfomycin is a broad-spectrum cell wall active agent that inhibits the MurA enzyme involved in peptidoglycan synthesis and is FDA-approved for treatment of uncomplicated urinary tract infections (UTIs) caused by Escherichia coli and Enterococcus faecalis in women. Data regarding the susceptibility of recent UTI isolates to fosfomycin are limited. METHODS: This study compared the fosfomycin susceptibility of 658 US UTI isolates with susceptibility to ciprofloxacin, levofloxacin, nitrofurantoin, and trimethoprim/sulfamethoxazole (SXT)...
March 11, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28285374/antibiotic-mixture-effects-on-growth-of-the-leaf-shredding-stream-detritivore-gammarus-fossarum
#12
Mirco Bundschuh, Torsten Hahn, Mark O Gessner, Ralf Schulz
Pharmaceuticals contribute greatly to human and animal health. Given their specific biological targets, pharmaceuticals pose a significant environmental risk by affecting organisms and ecosystem processes, including leaf-litter decomposition. Although litter decomposition is a central process in forest streams, the consequences of exposure to pharmaceuticals remain poorly known. The present study assessed the impact of antibiotics as an important class of pharmaceuticals on the growth of the leaf-shredding amphipod Gammarus fossarum over 24 days...
March 11, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28284685/identifying-priorities-to-improve-paediatric-in-hospital-antimicrobial-use-by-cross-sectional-evaluation-of-prevalence-and-appropriateness-of-prescription
#13
Walter Alfredo Goycochea-Valdivia, Francisco Moreno-Ramos, José Ramón Paño-Pardo, Francisco Javier Aracil-Santos, Fernando Baquero-Artigao, Teresa Del Rosal-Rabes, María José Mellado-Peña, Luis Escosa-García
INTRODUCTION: Information about paediatric in-hospital antimicrobial usage and prescribing patterns to guide improvement strategies is scant. We aim to use an evaluation of the prevalence and appropriateness of antimicrobial prescription to identify antimicrobial stewardship priorities in children. METHODS: A cross-sectional point study was performed on hospitalised paediatric patients in a Spanish tertiary hospital, assessing the prevalence of antimicrobial prescription (PAP) and appropriateness of antimicrobial prescription (AAP)...
March 8, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28279786/miltefosine-is-fungicidal-to-paracoccidioides-spp-yeast-cells-but-subinhibitory-concentrations-induce-melanisation
#14
Diego Conrado Pereira Rossi, Cristina de Castro Spadari, Joshua Daniel Nosanchuk, Carlos Pelleschi Taborda, Kelly Ishida
Paracoccidioidomycosis (PCM) is a systemic mycosis caused by the dimorphic fungi Paracoccidioides spp. The duration of antifungal treatment ranges from months to years and relapses may nevertheless occur despite protracted therapy. Thus, there remains an urgent need for new therapeutic options. Miltefosine (MLT), an analogue of alkylphospholipids, has antifungal activity against species of yeast and filamentous fungi. The aim of this study was to evaluate the antifungal effects of MLT on the yeast forms of Paracoccidioides brasiliensis and Paracoccidioides lutzii...
March 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28279287/a-42-year-old-woman-with-anemia-shock-and-ischemic-stroke-after-lung-transplantation
#15
Abhishek Biswas, Ali Ataya, Juan C Salgado, Satish Chandrasekharan, Tiago N Machuca, Amir M Emtiazjoo
A 42-year-old woman with mixed connective tissue disease-associated interstitial lung disease underwent bilateral lung transplantation. She had an uneventful surgery and was extubated 3 h later. Induction immunosuppression therapy included methylprednisolone 500 mg intraoperatively, basiliximab (anti-IL-2 monoclonal antibody) on days 0 and 4 after transplantation, and methylprednisolone 125 mg intravenously bid for 2 days following surgery. Maintenance immunosuppression therapy consisted of prednisone 20 mg daily, mycophenolate mofetil 750 mg bid, and enteral tacrolimus 0...
March 2017: Chest
https://www.readbyqxmd.com/read/28270803/vibrio-cholerae-o1-with-reduced-susceptibility-to-ciprofloxacin-and-azithromycin-isolated-from-a-rural-coastal-area-of-bangladesh
#16
Shah M Rashed, Nur A Hasan, Munirul Alam, Abdus Sadique, Marzia Sultana, Md Mozammel Hoq, R Bradley Sack, Rita R Colwell, Anwar Huq
Cholera outbreaks occur each year in the remote coastal areas of Bangladesh and epidemiological surveillance and routine monitoring of cholera in these areas is challenging. In this study, a total of 97 Vibrio cholerae O1 isolates from Mathbaria, Bangladesh, collected during 2010 and 2014 were analyzed for phenotypic and genotypic traits, including antimicrobial susceptibility. Of the 97 isolates, 95 possessed CTX-phage mediated genes, ctxA, ace, and zot, and two lacked the cholera toxin gene, ctxA. Also both CTX(+) and CTX(-)V...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28266723/contribution-of-dopamine-neurotransmission-in-proconvulsant-effect-of-toxoplasma-gondii-infection-in-male-mice
#17
Jalal Babaie, Mohammad Sayyah, Pezhman Fard-Esfahani, Majid Golkar, Kourosh Gharagozli
Epilepsy is one of the most common neurologic disorders worldwide with no distinguishable cause in 60% of patients. One-third of world's population is infected with Toxoplasma gondii (T. gondii). This intracellular parasite has high tendency to excitable cells including neurons. We assessed seizure susceptibility and involvement of dopaminergic system in male mice with acute and chronic T. gondii infection. Mice were infected by intraperitoneal injection of T. gondii cysts. Acute and chronic stages of infection were determined by quantification of SAG1/BAG1 transcripts and level of repetitive REP-529 sequence in the brain of mice by real-time PCR...
March 7, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28260587/antimicrobial-resistant-escherichia-coli-and-enterococcus-spp-isolated-from-miranda-donkey-equus-asinus-an-old-problem-from-a-new-source-with-a-different-approach
#18
Isabel Carvalho, Rosa Del Campo, Margarida Sousa, Nuno Silva, João Carrola, Catarina Marinho, Tiago Santos, Sílvia Carvalho, Miguel Nóvoa, Miguel Quaresma, José Eduardo Pereira, Marta Cobo, Gilberto Igrejas, Patrícia Poeta
PURPOSE: The Miranda donkey (Equus asinus) is an endangeredasinine from Miranda do Douro region, located in the north east of Portugal. We studied the antimicrobial resistance and virulence genes in Escherichia coli and Enterococcus spp. isolates from these animals. METHODOLOGY: In March 2014, a total of 66 faecal samples were recovered from independent animals. Antibiotic resistance was determined by the disc diffusion method. Carriage of genes coding for antibiotic-resistant and virulent factors was analysed by PCR...
March 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28258149/salmonella-senftenberg-adaptation-to-linalool-and-its-association-with-antibiotic-resistance-and-environmental-persistence
#19
Emmanuel Kalily, Amit Hollander, Ben Korin, Itamar Cymerman, Sima Yaron
A clinical isolate of Salmonella enterica serovar Senftenberg, isolated from an outbreak linked to the herb Ocimum basilicum L. (basil), has been shown resistance to basil oil and to the terpene alcohol linalool. To better understand how human pathogens might develop resistance to linalool and to investigate the association of this resistance with resistance to different antimicrobial agents, selective pressure was applied to the wild-type strain by sequential exposure to increasing concentrations of linalool...
March 3, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28257816/evaluation-of-trimethoprim-sulfamethoxazole-based-combination-therapy-against-stenotrophomonas-maltophilia-in-vitro-effects-and-clinical-efficacy-in-cancer-patients
#20
Hideki Araoka, Masaru Baba, Chikako Okada, Masahiro Abe, Muneyoshi Kimura, Akiko Yoneyama
OBJECTIVES: The aim of this study was to evaluate the in vitro effects and clinical efficacies of trimethoprim-sulfamethoxazole (SXT) combined with other antimicrobial agents against Stenotrophomonas maltophilia. METHODS: In vitro analysis was conducted on 89S. maltophilia strains isolated from blood and the respiratory tract between June 2012 and October 2014. Levofloxacin (LVX), ticarcillin-clavulanic acid (TIM), and minocycline (MIN) were selected for an examination of their effects when individually combined with SXT by the checkerboard method...
February 28, 2017: International Journal of Infectious Diseases: IJID
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