Tuberculosis remains one of the major causes of mortality worldwide. The early detection of new cases is an important goal in the program of tuberculosis control. Several methodologies for rapid and accurate laboratorial ...

CONTEXT: Cancer of the uterine cervix is rare during adolescence. The reported rates are 0/100,000 adolescents aged 10 to 19 years and 1.7/100,000 women aged 20 to 24 years. However, several studies have shown increasing ...

Objetivo: O carcinoma epidermóide do esôfago é neoplasia com alta taxa de mortalidade. A necessidade do entendimento do processo de carcinogênse na melhora de resultados desta doença, conduz aos estudos experimentais. ...

Memory persistence in the inhibitory avoidance (IA) task has been recently shown to require a new event of consolidation 12 hr after acquisition. The immobilization stress (IS) model is largely used to study the effects ...

O objetivo deste trabalho foi estudar mudanças na prevalência de lesões intra-epiteliais escamosas cervicais entre mulheres HIV-1 positivas após a introdução da terapia antiretroviral altamente eficaz e avaliar modificações ...

Tuberculosis (TB) remains one of the leading public health problems worldwide. Declared as a global emergency in 1993 by the WHO, its control is hampered by the emergence of multidrug resistance (MDR), defined as resistance ...

This study identified pathogenicity genes in 40 Helicobacter pylori clinical isolates. The cagA, vacA, and iceA genes were detected in 65%, 97.5%, and 97.5% of the isolates, respectively. The cagA, iceA1, and vacAs1a/m1 ...

One hundred and seventy Mycobacterium tuberculosis clinical isolates were characterized by spoligotyping to evaluate the biodiversity of tubercle bacilli in a region of Brazil with a high incidence of tuberculosis (Pelotas ...

We conducted a molecular epidemiological study to investigate HIV-1 strains in Rio Grande, southern Brazil, searching for an association with transmission mode and risk behavior. Patients (185) identified at an AIDS ...

Mycobacterium bovis is the main causative agent of animal tuberculosis (TB) and it may cause TB in humans. Molecular typing of M. bovis isolates provides precise epidemiological data on issues of inter- or intra-herd ...

A lesão renal aguda (LRA) é uma complicação de saúde caracterizada por uma diminuição na taxa de filtração glomerular em um curto período de tempo. Atualmente, o diagnóstico de LRA é baseado, principalmente, na dosagem da ...

O coeficiente de mortalidade infantil vem apresentando tendência ao declínio no Brasil nos últimos anos, porém, a proporção de óbitos por malformações congênitas tende a aumentar à medida que o componente pós-neonatal da ...

Objetivos: Avaliar a tendência de mortalidade por pneumonia em crianças brasileiras até 4 anos de idade no período de 1991 a 2007. Métodos: Foi realizado um estudo retrospectivo baseado em banco de dados do Departamento ...

A sublineage of Mycobacterium tuberculosis called RDRio was described in 2007. Although only recently described, this strain may have been present previously in the population, and its identification in clinical isolates ...

The present study was aimed at observing the diuretic and natriuretic responses after a water load (2% body weight) in four groups of young consenting volunteers submitted previously, during three days, to a hypersodie ...

The mainstay of treatment for acute bronchiolitis remains supportive care. The objective of this study was to assess the efficacy and safety of nebulized hypertonic saline (HS) in infants with acute bronchiolitis.

O Transtorno do Humor Bipolar (THB) caracteriza-se por oscilações do humor que causam prejuízos significativos no âmbito biopsicossocial. O interesse da comunidade científica por este transtorno vem aumentando nos últimos ...

Objectives: The purpose of this study was to develop the nitrate reductase assay (NRA) for the rapid detection of pyrazinamide resistance in Mycobacterium tuberculosis using nicotinamide resistance as a marker of ...

We validated the nitrate reductase assay (NRA) for the detection of multidrug-resistant Mycobacterium tuberculosis (MDR-TB) using sodium nitrate (NaNO3) in replacement of potassium nitrate (KNO3) as nitrate source. NaNO3 ...

We evaluate the influence of demographic, socioeconomic, and maternal variables on the nutritional status of adolescents aged 11 years. We conducted a prospective cohort study including 4,452 adolescents born in Pelotas, ...