Results: 59

Helicobacter pylori infection in family members of patients with gastroduodenal symptoms. A cross-sectional analytical study

Säo Paulo med. j; 136 (3), 2018
ABSTRACT BACKGROUND: Primary Helicobacter pylori (H. pylori) infection is acquired predominantly in childhood in the family setting. We aimed to investigate the presence of intrafamilial concurrent H. pylori infection. DESIGN AND SETTING: Cross-sectional analytical study with a control group, conducted...

Análise sociodemográfica e ambiental para ocorrência de anticorpos antiLeptospira em cães de Teresina, Piauí, Brasil

Resumo A leptospirose é uma zoonose mundial cuja transmissão está interligada por múltiplos fatores na interface homem-animal-ecossistema. Objetivou-se com este estudo avaliar os fatores de risco para a ocorrência de anticorpos antiLeptospira em cães na capital Teresina (PI), e determinar sua distr...

Infection by Streptococcus pneumoniae in children with or without radiologically confirmed pneumonia

J. pediatr. (Rio J.); 94 (1), 2018
Abstract Objective: Community-acquired pneumonia is an important cause of morbidity in childhood, but the detection of its causative agent remains a diagnostic challenge. The authors aimed to evaluate the role of the chest radiograph to identify cases of community-aquired pneumonia caused by typical bac...

Enfermedad de Lyme: a propósito de un caso clínico importado

Rev. chil. infectol; 35 (5), 2018
Resumen Presentamos el caso clínico de una mujer norteamericana que consultó en nuestro país por un eritema migrans múltiple, diagnosticándose una enfermedad de Lyme. Este cuadro infeccioso es causado por espiroquetas del complejo Borrelia burgdorferi sensu lato (Bbsl) y es transmitido por la morded...

Prevalencia de dengue y leptospirosis en pacientes febriles en un hospital general de especialidades, México

Rev. chil. infectol; 35 (3), 2018
Resumen Entre las enfermedades infecciosas febriles se encuentran: dengue, leptospirosis, rickettsiosis y salmonelosis, entre otras. El objetivo de este estudio fue detectar la presencia de anticuerpos IgM a dengue y Leptospira en pacientes febriles. La seropositividad para IgM frente al dengue fue 34%; ...

ELISA-based assay of immunoglobulin G antibodies against mammalian cell entry 1A (Mce1A) protein: a novel diagnostic approach for leprosy

Mem. Inst. Oswaldo Cruz; 112 (12), 2017
BACKGROUND Leprosy is a chronic infectious disease caused by the obligate intracellular bacillus Mycobacterium leprae. Because leprosy diagnosis is complex and requires professional expertise, new tools and methodologies are needed to detect cases in early stages and prevent transmission. The M. leprae g...

Seroprevalence and spatial distribution dynamics of Yersinia pestis antibodies in dogs and cats from plague foci in the State of Ceará, Northeastern Brazil

Abstract INTRODUCTION: In Brazil, the plague is established in several foci located mainly in the northeastern part of the country, where it alternates between active and quiescent periods. These foci in the State of Ceará have high epidemiological importance. In addition to other plague detection act...

Serosurvey of Leptospira spp. and Toxoplasma gondii in rats captured from two zoos in Southern Brazil

Abstract INTRODUCTION: Norway rats (Rattus norvegicus) are zoonotic reservoirs for Leptospira spp. and Toxoplasma gondii, and influence diseases in urban areas. METHODS: Free-ranging and laboratory-raised rats from two zoos in southern Brazil were tested for Leptospira spp. and T. gondii using micros...

Evidence of hidden leprosy in a supposedly low endemic area of Brazil

Mem. Inst. Oswaldo Cruz; 112 (12), 2017
OBJECTIVES Show that hidden endemic leprosy exists in a municipality of inner São Paulo state (Brazil) with active surveillance actions based on clinical and immunological evaluations. METHODS The study sample was composed by people randomly selected by a dermatologist during medical care in the public...

Prevalencia de Bartonella henselae en donantes de sangre y riesgo de transmisión sanguínea en Chile

Rev. chil. infectol; 34 (6), 2017
Resumen Introducción: Bartonella henselae es el agente causal de la enfermedad del arañazo del gato en personas inmunocompetentes y de la angiomatosis bacilar y peliosis hepatis en inmunocomprometidos. En Chile la prevalencia de anticuerpos contra B. henselae en niños y adolescentes sanos es de 13,3%...