PLoS One
October 2015
Background: An interferon-γ release assay, QuantiFERON-TB (QFT) test, has been introduced an alternative test for the diagnosis of latent Mycobacterium tuberculosis infection (LTBI). Here, we compared the performance of QFT with tuberculin skin test (TST) measured at two different cut-off points among primary health care work (HCW) in Brazil.
Methods: A cross-sectional study was carried out among HCWs in four Brazilian cities with a known history of high incidence of TB.
Cien Saude Colet
May 2013
This article seeks to determine the prevalence of Mycobacterium tuberculosis infection in medical and nursing students of the Federal University of Espirito Santo (UFES) This is a cross-sectional study in which data were collected through a questionnaire assessing personal characteristics, information about tuberculosis, use of preventive measures, etc. This was followed by the application of the tuberculin skin test, with readings after 72 hours by trained nurses, the positive cutoff point for the TST being 10 mm of induration in the 72-hour reading. Participants in the study included 225 volunteers, namely 98 Medical students and 127 Nursing students.
View Article and Find Full Text PDFThe aim of this study was to estimate the rate of positive respiratory symptomatics among patients seeking treatment at primary health clinics in Vitória, Espírito Santo State, Brazil. This cross-sectional study included 603 individuals that answered a questionnaire with socio-demographic data and a question on cough in the previous three weeks. The prevalence ratio was calculated with 5% significance.
View Article and Find Full Text PDFObjective: To describe the epidemiological profile of tuberculosis cases reported among health care workers in the Tuberculosis Control Program of the Cassiano Antonio of Moraes University Hospital in Vitoria, Brazil.
Methods: A retrospective descriptive study of secondary data was conducted between 2002 and 2006.
Results: Twenty-five cases of health care workers with tuberculosis were reported: 8 in nursing technicians (32%); 4 in doctors (16%); 3 in nurses (12%); 2 in radiology technicians (8%) and 8 in professionals from other categories (32%).