Journal of occupational medicine and toxicology (London, England) · 2011
Latent tuberculosis in nursing professionals of a Brazilian hospital.
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Severo Karen Gisele Person, Oliveira Julia da Silva, Carneiro Marcelo, Valim Andréia Rosane de Moura, Krummenauer Eliane Carlosso, Possuelo Lia Gonçalves
Аннотация
Tuberculosis (TB) is considered an occupational disease among health-care workers (HCWs). Direct contact with TB patients leads to an increased risk to become latently infected by Mycobacterium tuberculosis. The objective of this study is to estimate the prevalence of latent M. tuberculosis minfection among nursing professionals of a hospital in Rio Grande do Sul, Brazil, assessed by tuberculin skin test (TST). From November 2009 to May 2010, latent M. tuberculosis infection was assessed by TST in 55 nursing professionals. Epidemiological information was collected using a standardized questionnaire. A positive TST result (> or = 10 mm) was observed in 47.3% of the HCWs tested. There was no significant difference in TST positivity when duration of employment or professional category (technician or nurse) was evaluated. The results of this work reinforce the need for control measures to prevent latent M. tuberculosis infection among nursing professionals at the hospital where the study was conducted.