Results: 50

Comparação entre teste da urease e histopatologia na identificação do Helicobacter pylori

Introdução: o Helicobacter pylori (H. pylori) é uma bactéria gram-negativa capaz de colonizar a mucosa gástrica e predispor a diversas patologias. Para identificação do H. pylori, os testes invasivos ainda são os mais realizados, sendo que não há um teste padrão ouro aceito universalmente. A a...

Relationship of Helicobacter pylori seroprevalence with the occurrence and severity of psoriasis

An. bras. dermatol; 92 (1), 2017
Abstract: BACKGROUND: Psoriasis is a chronic inflammatory disease that affects the skin and joints and has a multifactorial etiology. Recently, it has been suggested that Helicobacter pylori infection may contribute as a trigger for the development of the disease. OBJECTIVES: To determine the prevalenc...

The role of environmental tobacco exposure and Helicobacter pylori infection in the risk of chronic tonsillitis in children

Säo Paulo med. j; 135 (1), 2017
ABSTRACT CONTEXT AND OBJECTIVE: Helicobacter pylori (H. pylori) is a chronic infectious pathogen with high prevalence. This study investigated the interaction between environmental tobacco exposure and H. pylori infection on the incidence of chronic tonsillitis in Chinese children. DESIGN AND SETTING: ...

Validación del test rápido de la ureasa para la detección del Helicobacter pylori en el Hospital Nacional Cayetano Heredia, Lima, Perú

Objetivos: Validar un test rápido de la ureasa (TRU) en el Hospital Cayetano Heredia (HCH) de Lima, Perú Materiales y métodos: Estudio observacional prospectivo. Se incluyó 181 pacientes mayores de 18 años de edad con síntomas dispépticos, que fueron sometidos a endoscopía digestiva alta en el Se...

Is the immunocromatographic fecal antigen test effective for primary diagnosis of helicobacter pylori infection in dyspeptic patients?

Arq. gastroenterol; 53 (4), 2016
ABSTRACT Background The diagnosis of H. pylori infection can be performed by non-invasive and invasive methods.The identification through a fecal antigen test is a non-invasive, simple, and relatively inexpensive test. Objective To determine the diagnostic performance of fecal antigen test in the ident...

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...

Conventional videoendoscopy can identify helicobacter pylori gastritis?

ABCD (São Paulo, Impr.); 29 (2), 2016
ABSTRACT Background: Studies with latest technologies such as endoscopy with magnification and chromoendoscopy showed that various endoscopic aspects are clearly related to infection by Helicobacter pylori (HP). The description of different patterns of erythema in gastric body under magnification of im...

Guía de práctica clínica para el diagnóstico y tratamiento de la infección por Helicobacter pylori en adultos

Rev. colomb. gastroenterol; 30 (supl.1), 2015
Objetivo: brindar una guía de práctica clínica basada en la evidencia más reciente para el diagnóstico y tratamiento de la infección por Helicobacter pylori teniendo en cuenta la efectividad y seguridad de las intervenciones dirigidas a pacientes, personal asistencial, administrativo y entes gubern...

Concordancia entre procedimientos diagnósticos invasivos para la infección por Helicobacter pylori en adultos

Salud pública Méx; 57 (4), 2015
Objetivo. Comparar la concordancia entre cultivo, histología y prueba rápida de la ureasa para el diagnóstico de infección por Helicobacter pylori, así como la relación de hallazgos histopatológicos y frecuencia de positividad entre dichos procedimientos diagnósticos. Material y métodos. Estudio...

Detection of Helicobacter pylori in gastric biopsies, saliva and dental plaques of dyspeptic patients from Marília, São Paulo, Brazil: presence of vacA and cagA genes

Helicobacter pylori, a gram-negative bacterium, possesses two important virulence factors: the vacuolating toxin (vacA), and the cytotoxin-associated gene product (cagA). The aim of the present study was to evaluate the presence of H. pylori in the stomach and oral cavity of humans and compare the cagA a...