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trimethoprim sulfamethoxazole

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https://www.readbyqxmd.com/read/27920760/prevalence-of-the-antibiotic-resistance-genes-in-coagulase-positive-and-negative-staphylococcus-in-chicken-meat-retailed-to-consumers
#1
Kamelia Osman, Jihan Badr, Khalid S Al-Maary, Ihab M I Moussa, Ashgan M Hessain, Zeinab M S Amin Girah, Usama H Abo-Shama, Ahmed Orabi, Aalaa Saad
The use of antibiotics in farm management (growing crops and raising animals) has become a major area of concern. Its implications is the consequent emergence of antibiotic resistant bacteria (ARB) and accordingly their access into the human food chain with passage of antibiotic resistance genes (ARG) to the normal human intestinal microbiota and hence to other pathogenic bacteria causative human disease. Therefore, we pursued in this study to unravel the frequency and the quinolone resistance determining region, mecA and cfr genes of methicillin-susceptible Staphylococcus aureus (MSSA), methicillin-resistant S...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27918694/ceftaroline-activity-against-multidrug-resistant-streptococcus-pneumoniae-from-u-s-medical-centers-2014-and-molecular-characterization-of-a-single-ceftaroline-nonsusceptible-isolate
#2
Michael A Pfaller, Rodrigo E Mendes, Robert K Flamm, Ronald N Jones, Helio S Sader
Streptococcus pneumoniae isolates (2,614) were collected from patients at 135 U.S. Medical Centers during 2014. Isolates were evaluated for multidrug resistance to penicillin, ceftriaxone, erythromycin, tetracycline, trimethoprim-sulfamethoxazole, and levofloxacin. A single isolate (853008) demonstrated a ceftaroline nonsusceptible minimal inhibitory concentration (MIC) value, and it was subjected to molecular characterization. Ceftaroline (MIC50/90, ≤0.015/0.12 μg/ml) was eightfold more potent than ceftriaxone (MIC50/90, ≤0...
December 5, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27915141/a-review-of-the-occurrence-of-pharmaceuticals-and-personal-care-products-in-indian-water-bodies
#3
REVIEW
Keshava Balakrishna, Amlan Rath, Yerabham Praveenkumarreddy, Keerthi Siri Guruge, Bikram Subedi
Little information exists on the occurrence and the ultimate fate of pharmaceuticals in the water bodies in India despite being one of the world leaders in pharmaceutical production and consumption. This paper has reviewed 19 published reports of pharmaceutical occurrence in the aquatic environment in India [conventional activated sludge wastewater treatment plants (WTPs), hospital WTPs, rivers, and groundwater]. Carbamazepine (antipsychoactive), atenolol (antihypertensive), triclocarban and triclosan (antimicrobials), trimethoprim and sulfamethoxazole (antibacterials), ibuprofen and acetaminophen (analgesics), and caffeine (stimulant) are the most commonly detected at higher concentrations in Indian WTPs that treat predominantly the domestic sewage...
December 1, 2016: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27909820/genomic-analysis-reveals-the-presence-of-a-class-d-beta-lactamase-with-broad-substrate-specificity-in-animal-bite-associated-capnocytophaga-species
#4
S Zangenah, A F Andersson, V Özenci, P Bergman
Capnocytophga canimorsus and Capnocytophga cynodegmi can be transmitted from cats and dogs to humans, and can cause a wide range of infections including wound infections, sepsis, or endocarditis. We and others recently discovered two new Capnocytophaga species, C. canis and C. stomatis, mainly associated with wound infections. The first-line treatment of animal bite related infections is penicillin, and in case of allergy, doxycycline and trimethoprim/sulfamethoxazole. However, there is a lack of antibiotic susceptibility patterns for animal bite associated Capnocytophaga species...
December 1, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27905288/cyclospora-cayetanensis-opportunistic-protozoan-parasite-in-van-province-turkey-a-report-of-seven-cases
#5
Zeynep Taş Cengiz, Yunus Emre Beyhan, Hasan Yılmaz
The aim of this study is to report seven Cyclospora cayetanensis (C.cayetanensis) cases determined in Yuzuncu Yil University Medical Faculty Parasitology Laboratory, Van province, Turkey. In the study native-Lugol, formalin-ethyl acetate and modified acid-fast staining methods were performed to stool samples of the patients sent from outpatient clinics of the hospital. All of the patients infected with C. cayetanensis were older than 15 years. In our cases there were not a history of international travel. Only one of our seven cases was immunosuppressed...
September 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/27904816/an-unusual-presentation-of-nocardiosis-in-an-allogeneic-transplant-recipient
#6
Uroosa Ibrahim, Amina Saqib, Farhan Mohammad, Terenig Terjanian
Nocardiosis is a rare cause of opportunistic infection post hematopoietic stem cell transplant (HSCT) occurring in about 0.3% of patients. The risk factors include delayed immune reconstitution, prolonged neutropenia, and graft-versus-host disease. The most common site of infection is the lung, followed by the brain and the skin. Concomitant pulmonary and central nervous system (CNS) nocardiosis is an extremely rare entity as presented in our case. We present the case of a 72-year-old male at 137 days post transplant presenting with complaints of headache and slurred speech...
October 17, 2016: Curēus
https://www.readbyqxmd.com/read/27902433/escherichia-coli-clonal-group-a-cga-among-uropathogenic-infections-in-mexico-city
#7
Angel Manjarrez-Hernandez, José Molina-López, Sandra Gavilanes-Parra, Rigoberto Hernandez-Castro
Escherichia coli clonal group A (CGA) causes urinary tract and other extraintestinal infections in humans. CGA is an important cause of trimethoprim/sulfamethoxazole (SXT)-resistance in extraintestinal pathogens. We examined the extent to which resistance in this area is related to CGA dissemination of E. coli from urinary tract infections (UTIs) in Mexico City. The virulence backgrounds of the isolates were also characterized. In this study, the frequency of resistance to SXT used for UTI treatment was high (56-65%) and CGA isolates accounted for 9 of the 78 SXT-resistant isolates (11...
November 7, 2016: Journal of Medical Microbiology
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
#8
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/27899074/antibiotic-resistance-and-clonal-diversity-of-invasive-staphylococcus-aureus-in-the-rural-ashanti-region-ghana
#9
Denise Dekker, Manuel Wolters, Eva Mertens, Kennedy Gyau Boahen, Ralf Krumkamp, Daniel Eibach, Norbert G Schwarz, Yaw Adu-Sarkodie, Holger Rohde, Martin Christner, Florian Marks, Nimako Sarpong, Jürgen May
BACKGROUND: Staphylococcus aureus is among the most common pathogens isolated from blood cultures in Ghana; yet the epidemiology of blood infections in rural settings is poorly described. This study aims to investigate antimicrobial susceptibility and clonal diversity of S. aureus causing bloodstream infections in two hospitals in the Ashanti Region, Ghana. METHODS: Blood cultures were performed for all febrile patients (≥37.5 °C) on hospital admission. Antibiotic susceptibility testing for S...
November 29, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27892525/sxt-r391-integrative-and-conjugative-elements-in-proteus-species-reveal-abundant-genetic-diversity-and-multidrug-resistance
#10
Xinyue Li, Yu Du, Pengcheng Du, Hang Dai, Yujie Fang, Zhenpeng Li, Na Lv, Baoli Zhu, Biao Kan, Duochun Wang
SXT/R391 integrative and conjugative elements (ICEs) are self-transmissible mobile genetic elements that are found in most members of Enterobacteriaceae. Here, we determined fifteen SXT/R391 ICEs carried by Proteus isolates from food (4.2%) and diarrhoea patients (17.3%). BLASTn searches against GenBank showed that the fifteen SXT/R391 ICEs were closely related to that from different Enterobacteriaceae species, including Proteus mirabilis. Using core gene phylogenetic analysis, the fifteen SXT/R391 ICEs were grouped into six distinct clusters, including a dominant cluster and three clusters that have not been previously reported in Proteus isolates...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27891788/association-between-antibiotic-use-among-pregnant-women-with-urinary-tract-infections-in-the-first-trimester-and-birth-defects-national-birth-defects-prevention-study-1997-to-2011
#11
Elizabeth C Ailes, Suzanne M Gilboa, Simerpal K Gill, Cheryl S Broussard, Krista S Crider, Robert J Berry, Tonia C Carter, Charlotte A Hobbs, Julia D Interrante, Jennita Reefhuis
BACKGROUND: Previous studies noted associations between birth defects and some antibiotics (e.g., nitrofurantoin, sulfonamides) but not others (e.g., penicillins). It is unclear if previous findings were due to antibiotic use, infections, or chance. To control for potential confounding by indication, we examined associations between antibiotic use and birth defects, among women reporting urinary tract infections (UTIs). METHODS: The National Birth Defects Prevention Study is a multi-site, population-based case-control study...
November 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27890958/nonhealing-genital-ulcer-in-aids-a-diagnostic-dilemma
#12
Yogesh S Marfatia, Devi Sathianadha Menon, Sheethal Jose, Brijesh Kumar Patel
HIV/AIDS-related immune alteration poses many diagnostic and therapeutic challenges. HIV-positive 44-year-old male, on second-line antiretroviral therapy (ART) presented with asymptomatic non healing, well-defined, erythematous ulcer over penis since 8 months with serosanguinous discharge. Inguinal lymph nodes were not palpable. Tzanck smear was negative. Biopsy was not done as the patient was not willing for the same. Acyclovir was given considering herpes infection to which there was no response, and hence azithromycin and metronidazole were given, without improvement...
July 2016: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27888174/phenotypic-and-antibiogram-pattern-of-v-cholerae-isolates-from-a-tertiary-care-hospital-in-mumbai-during-2004-2013-a-retrospective-cross-sectional-study
#13
V Torane, S Kuyare, G Nataraj, P Mehta, S Dutta, B Sarkar
OBJECTIVES: Cholera is a major gastroenteric disease with reports on fluctuation and resistance. Hence, the objective is to determine the trend in seasonality, resistance pattern, prevalent biotypes, serotypes and phage types between 2004 and 2013 among Vibrio cholerae isolates. DESIGN: A retrospective cross-sectional study. SETTINGS: A single-centre study was carried out at a tertiary care hospital in a metropolitan city (Mumbai) of a developing country (India)...
November 25, 2016: BMJ Open
https://www.readbyqxmd.com/read/27882160/disseminated-nocardiosis-caused-by-nocardia-otitidiscaviarum-in-an-immunocompetent-host-a-case-report-and-literature-review
#14
Yanwen Jiang, Aiben Huang, Qiuhong Fang
The aim of the present study was to summarize the clinical characteristics of nocardiosis caused by Nocardia otitidiscaviarum in order to improve the knowledge of nocardiosis. A case of dissemination nocardiosis caused by N. otitidiscaviarum in an immunocompetent host is reported and the associated literature reviewed. Informed consent for publication of this case report was provided by the patient. The present patient was a young immunocompetent man suffering from disseminated nocardiosis induced by infection with N...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27878546/investigation-of-antibiotics-in-health-care-wastewater-in-ho-chi-minh-city-vietnam
#15
Thi-Dieu-Hien Vo, Xuan-Thanh Bui, Ngoc-Dan-Thanh Cao, Vinh-Phuc Luu, Thanh-Tin Nguyen, Bao-Trong Dang, Minh-Quan Thai, Dinh-Duc Nguyen, Thanh-Son Nguyen, Quoc-Tuc Dinh, Thanh-Son Dao
Hospital wastewater contains huge amounts of hazardous pollutants which are being discharged daily to environment with or without treatment. Antibiotics were among the important group of pharmaceuticals considered as a potential source of health risk for human and other living creatures. Although the investigations about the existence of antibiotics in hospital wastewater have gained concern for researchers in many countries, there is only one research conducted in Hanoi-Vietnam. Hence, in this study, investigations have been done to fulfill the requirement of real situation in Vietnam by accomplishing survey for 39 health care facilities in Ho Chi Minh City...
December 0: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27876296/pathogenic-features-of-clinically-significant-coagulase-negative-staphylococci-in-hospital-and-community-infections-in-benin
#16
Chimène Nanoukon, Xavier Argemi, Frédéric Sogbo, Jeanne Orekan, Daniel Keller, Dissou Affolabi, Frédéric Schramm, Philippe Riegel, Lamine Baba-Moussa, Gilles Prévost
In West Africa, very little consideration has been given to coagulase negative Staphylococci (CNS). Herein, we describe the features contributing to the pathogenicity of 99 clinically-significant independent CNS isolates associated with infections encountered at the National Teaching Hospital Center of Cotonou (Benin). The pathogenic potentials of nosocomial strains were compared with community strains. S. haemolyticus (44%), S. epidermidis (22%) and S. hominis (7%) were the most frequently isolated while bacteremia (66...
November 10, 2016: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/27872073/exploring-the-role-of-the-%C3%AE-loop-in-the-evolution-of-ceftazidime-resistance-in-the-pena-%C3%AE-lactamase-from-burkholderia-multivorans-an-important-cystic-fibrosis-pathogen
#17
Krisztina M Papp-Wallace, Scott A Becka, Magdalena A Taracila, Elise T Zeiser, Julian A Gatta, John J LiPuma, Robert A Bonomo
The unwelcome evolution of resistance to the advanced generation cephalosporin antibiotic, ceftazidime is hindering the effective therapy of Burkholderia cepacia complex (Bcc) infections. Regrettably, Bcc are highly resistant to most antibiotics, including polymyxins; ceftazidime and trimethoprim-sulfamethoxazole are the most effective treatment options. Unfortunately, resistance to ceftazidime is increasing and posing a health threat to populations susceptible to Bcc infection. We found that up to 36% of 146 tested Bcc clinical isolates were non-susceptible to ceftazidime...
November 21, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27871747/impact-of-external-carbon-dose-on-the-removal-of-micropollutants-using-methanol-and-ethanol-in-post-denitrifying-moving-bed-biofilm-reactors
#18
Elena Torresi, Mònica Escolà Casas, Fabio Polesel, Benedek G Plósz, Magnus Christensson, Kai Bester
Addition of external carbon sources to post-denitrification systems is frequently used in wastewater treatment plants to enhance nitrate removal. However, little is known about the fate of micropollutants in post-denitrification systems and the influence of external carbon dosing on their removal. In this study, we assessed the effects of two different types and availability of commonly used carbon sources -methanol and ethanol- on the removal of micropollutants in biofilm systems. Two laboratory-scale moving bed biofilm reactors (MBBRs), containing AnoxKaldnes K1 carriers with acclimated biofilm from full-scale systems, were operated in continuous-flow using wastewater dosed with methanol and ethanol, respectively...
January 1, 2017: Water Research
https://www.readbyqxmd.com/read/27869362/fractal-geometry-based-decrease-in-trimethoprim-sulfamethoxazole-concentrations-in-overweight-and-obese-people
#19
R G Hall, J G Pasipanodya, C Meek, R D Leff, M Swancutt, T Gumbo
Trimethoprim-sulfamethoxazole (TMP-SMX) is one of the most widely drugs on earth. The World Health Organization recommends it as an essential basic drug for all healthcare systems. Dosing is inconsistently based on weight, assuming linear relationships. Given that obesity is now a global "pandemic" it is vital that we evaluate the effect of obesity on trimethoprim-sulfamethoxazole concentrations. We conducted a prospective clinical experiment based on optimized design strategies and artificial intelligence algorithms and found that weight and body mass index (BMI) had a profound effect on drug clearance and volume of distribution, and followed nonlinear fractal geometry-based relationships...
November 21, 2016: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/27865170/long-term-wastewater-irrigation-of-vegetables-in-real-agricultural-systems-concentration-of-pharmaceuticals-in-soil-uptake-and-bioaccumulation-in-tomato-fruits-and-human-health-risk-assessment
#20
Anastasis Christou, Popi Karaolia, Evroula Hapeshi, Costas Michael, Despo Fatta-Kassinos
Wastewater (WW) reuse for vegetable crops irrigation is regularly applied worldwide. Such a practice has been found to allow the uptake of pharmaceutical active compounds (PhACs) by plants and their subsequent entrance to the food web, representing an important alternative pathway for the exposure of humans to PhACs, with potential health implications. Herein we report the impacts of the long-term (three consecutive years) WW irrigation of a tomato crop with two differently treated effluents under real agricultural conditions, on (1) the soil concentration of selected PhACs (i...
November 10, 2016: Water Research
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