Abstract
Objective: To evaluate the prevalence of positive bacterial sputum cases of pulmonary tuberculosis among users of a primary healthcare unit. Methods: Cross-sectional, observational study, conducted between February and August 2011 with 1,873 individuals aged above 18 years seen at a Basic Healthcare Unit (BHU) in the city of Rio de Janeiro, Brazil, selected through convenience non-probabilistic sampling. A tool for the presumptive diagnosis of pulmonary tuberculosis was initially applied. The individuals with positive score were submitted to bacilloscopy. Descriptive statistics was performed, with absolute and percentage frequencies, as well as Fisher’s exact test to assess the association between gender, age, and the results of bacterial sputum microscopy. Results: Of the users seen at the studied BHU, 157 individuals were tested positive for the presumptive diagnosis of tuberculosis. Their most frequent symptoms were cough (76.5%, n=13) and chest pain (70.6%, n=12). There was no significant association between positive bacilloscopy, sex (p=0.477), and age (p=0.186). Conclusion: The frequency of positive bacilloscopy cases of pulmonary tuberculosis among individuals with positive score for presumption of that disease was high in the studied health unit.
Highlights
August 2011 with 1,873 individuals aged above 18 years seen at a
well as Fisher's exact test to assess the association between gender
Of the users seen at the studied Basic Healthcare Unit (BHU)
Summary
Objetivo: Avaliar a prevalência de casos bacilíferos de tuberculose pulmonar entre usuários de uma unidade de atenção básica. Métodos: Estudo observacional, de corte transversal, realizado entre fevereiro e agosto de 2011 com 1.873 indivíduos maiores de 18 anos atendidos na Unidade Básica de Saúde (UBS), localizada na zona norte do município do Rio de JaneiroRJ (Brasil), selecionados por conveniência de forma não probabilística. Os indivíduos com escore positivo foram submetidos ao teste bacilífero. Realizou-se estatística descritiva com frequência simples e percentual, bem como teste exato de Fisher para avaliar a associação com sexo, idade e os resultados da baciloscopia de escarro. Resultados: Entre os indivíduos atendidos na UBS estudada, 157 (8,4%) apresentaram escore positivo para diagnóstico presuntivo de tuberculose. Conclusão: A ocorrência de casos bacilíferos de tuberculose pulmonar entre indivíduo com escore positivo de presunção dessa doença mostrou-se alta na unidade de saúde estudada. Descritores: Tuberculose Pulmonar; Diagnóstico; Programas de Rastreamento; Atenção Primária à Saúde
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