Results: 3204

Diagnostic accuracy of urea breath test for helicobacter pylori infection in children with dyspepsia in comparison to histopathology

Arq. gastroenterol; 53 (2), 2016
ABSTRACT Background - Helicobacter pylori infection is the gram negative bacillus with the close association with chronic antral gastritis. Objective - In this study, we evaluate the accuracy of urea breath test (UBT) with carbon isotope 13 in comparison with histopathology of gastric antrum for dete...

Molecular detection of clarithromycin and fluoroquinolones resistance in helicobacter pylori infection, directly applied to gastric biopsies, in an urban brazilian population

Arq. gastroenterol; 53 (2), 2016
ABSTRACT Background - Antimicrobial resistance is the major factor leading to eradication failure in H. pylori treatment. Molecular tests are useful to detect genetic mutations predictive of clarithromycin and fluoroquinolones resistance. Knowledge of the local prevalence rate of resistance is importa...

Aspergillus niger – a possible new etiopathogenic agent in Tinea capitis? Presentation of two cases

Braz. j. infect. dis; 20 (3), 2016
Abstract Tinea capitis is generally considered as the most frequent fungal infection in childhood, as it accounts for approximately 92% of all mycosis in children. The epidemiology of this disease varies widely ranging from antropophillic, zoophilic, and geophillic dermatophytes, as the main causative ag...

Clinical and microbiological implications of invasive pneumococcal disease in hospitalized patients (1998-2013)

Braz. j. infect. dis; 20 (3), 2016
Abstract Introduction Infections caused by Streptococcus pneumoniae (pneumococcus) still represent a challenge for health systems around the world. Objective The objective of this study was to assess microbiological and clinical aspects in hospitalized patients with invasive pneumococcus disease betwee...

Evaluación in vitro del efecto de Neisseria gonorrhoeae y los factores solubles producto de su metabolismo sobre la calidad espermática
In vitro evaluation of the effect of Neisseria gonorrhoeae and the soluble factors produced by its metabolism on sperm quality

AANTEDENTES: N. gonorrhoeae es una de las principales causas de uretritis, prostatitis y epididimitis en hombres. En el tracto urogenital masculino, esta bacteria o los factores solubles producto de su metabolismo pueden interactuar con los espermatozoides y alterar su calidad. OBJETIVOS: Determinar el e...

Perfil de resistencia a antibióticos de serotipos de Salmonella spp. aislados de carne de res molida en la Ciudad de México

Salud pública Méx; 58 (3), 2016
Resumen: Objetivo: Determinar el serotipo y perfil de resistencia a antibióticos de cepas de Salmonella spp. presentes en la carne de res que se expende en la capital mexicana. Material y métodos: Se analizaron 100 muestras de carne molida. Se aisló el patógeno por métodos convencionales y se conf...

Antimicrobial activity of chitosan coatings and films against Listeria monocytogenes on black radish

Rev. argent. microbiol; 48 (2), 2016
The antibacterial activity of chitosan coatings prepared with acetic or lactic acid, as well as of composite chitosan-gelatin films prepared with essential oils, was evaluated in fresh shredded black radish samples inoculated with Listeria monocytogenes ATCC 19115 and L. monocytogenes ATCC 19112 during s...

Epidemiología de la brucelosis caprina y ovina en la provincia de Formosa, Argentina

Rev. argent. microbiol; 48 (2), 2016
Se realizó un estudio epidemiológico de brucelosis en 516 majadas caprinas o mixtas (caprinos/ovinos) de las 3 regiones agroecológicas de la provincia de Formosa, Argentina. Mediante las pruebas de aglutinación en placa con antígeno tamponado y de fijación del complemento en suero se estudiaron un ...

Endophytic fungi from selected varieties of soybean (Glycine max L. Merr.) and corn (Zea mays L.) grown in an agricultural area of Argentina

Rev. argent. microbiol; 48 (2), 2016
Endophytic fungi are ubiquitous and live within host plants without causing any noticeable symptoms of disease. Little is known about the diversity and function of fungal endophytes in plants, particularly in economically important species. The aim of this study was to determine the identity and diversit...