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      Tuberculose em indígenas da Amazônia brasileira: estudo epidemiológico na região do Alto Rio Negro Translated title: Tuberculosis in indigenous peoples in the Brazilian Amazon: an epidemiological study in the Upper Rio Negro region

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          Abstract

          OBJETIVO: Descrever as características sociodemográficas e clínico-epidemiológicas dos casos de tuberculose notificados na população indígena do Município de São Gabriel de Cachoeira, Estado do Amazonas, Brasil, e identificar fatores associados ao óbito durante o tratamento; e estimar a prevalência de infecção latente por tuberculose (ILTB) e fatores associados e obter informações sobre o itinerário terapêutico e a percepção acerca do adoecimento dos indígenas do Distrito de Iauaretê. MÉTODOS: Primeiramente, realizou-se um estudo epidemiológico retrospectivo (1997 a 2007) com base nos dados do Sistema de Informação de Agravos de Notificação. Posteriormente, realizou-se um estudo transversal (2010) em sintomáticos respiratórios e contatos no Distrito Indígena de Iauaretê. RESULTADOS: Registraram-se 723 casos novos, com incidência de 273,4/100 000 e mortalidade de 13,2/100 000. Houve predomínio em homens (57%), idade > 45 anos (37,6%), pessoas sem escolaridade (42,7%) e na área rural (76,9%). Doentes de 0 a 20 anos apresentaram menor chance de óbito quando comparados à idade > 45 anos (OR = 0,3; IC95%: 0,1 a 0,9). Em Iauaretê, que concentrou 15,3% das notificações, foram entrevistados 184 indígenas. Revelou-se prevalência de ILTB de 76,1%. Prova tuberculínica > 5 mm associou-se com idade > 15 anos, história de tuberculose ativa e alterações radiológicas. Tuberculose anterior foi citada por 54 indígenas (29,3%). A principal explicação para o adoecimento foi sopro/envenenamento (24,1%). O itinerário terapêutico incluiu medicamentos industrializados (42,6%), plantas medicinais/raízes, pajelança/xamanismo e reza (42,7%). CONCLUSÕES: A prevalência de infecção tuberculosa e doença ativa nessa população foi elevada. As estratégias de controle tiveram resultados positivos, com redução na incidência em tempos recentes. Entretanto, para controlar a tuberculose é necessário intensificar a vigilância dos contatos e aperfeiçoar as estratégias de comunicação das equipes com a população indígena.

          Translated abstract

          OBJECTIVE: To describe the sociodemographic, clinical, and epidemiological characteristics of reported tuberculosis cases among indigenous individuals of São Gabriel de Cachoeira, State of Amazonas, Brazil, and to identify the factors associated with mortality during treatment; and to estimate the prevalence of latent tuberculosis infection (LTBI) and associated factors and obtain information on the therapeutic course and the individual perceptions regarding acquistion of tuberculosis in the district of Iauaretê. METHODS: Firstly, a retrospective epidemiological study (1997 to 2007) was conducted using data from the Brazilian Notifiable Diseases Surveillance System (SINAN). Next, a cross-sectional study (2010) was conducted with respiratory symptomatic subjects and contacts of Iauaretê. RESULTS: Seven hundred and twenty-three new cases were reported, with incidence of 273.4/100 000 and mortality of 13.2/100 000. There was a predominance of males (57%), aged > 45 years (37.6%), people with no schooling (42.7%), and cases from rural areas (76.9%). Patients aged 0 to 20 years were at lower risk of death when compared to those aged > 45 years (OR = 0.3; IC95%: 0.1 a 0.9). In Iauaretê, with 15.3% of the reported cases, 184 people were interviewed. A prevalence of LTB of 76.1% was reported. Tuberculin skin test > 5 mm was associated with the > 15-year old age group, history of active tuberculosis, and radiological alterations. A previous history of tuberculosis was cited by 54 people (29.3%). The main explanation for the disease was "puffing/poisoning" (24.1%). The therapeutic course included industrialized drugs (42.6%), medicinal plants/roots, shamanism, and prayer (42.7%). CONCLUSIONS: The risk of tuberculosis infection and disease in this population was high. Despite the reduced incidence resulting from recent efforts, tuberculosis control requires closer surveillance of contacts and improvement in communication strategies between health teams and indigenous populations.

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          Most cited references71

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          Manual de recomendações para o controle de tuberculose no Brasil.

          (2011)
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            Manual de recomendações para o controle da tuberculose no Brasil

            M. Saúde (2011)
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              Risk factors associated with recent transmission of tuberculosis: systematic review and meta-analysis.

              A systematic review of published articles was performed to identify risk factors associated with recent transmission of tuberculosis (TB). The computerized search identified studies in PubMed, Ovid, CDSR, CINAHL and EMBASE published between 1994 and 2005. Of 137 articles, 30 satisfied all the inclusion criteria for meta-analysis. A random effects model estimated the odds ratio (OR), confidence interval (CI), and heterogeneity between studies. Recent transmission of TB was associated with: ethnic minority (OR 3.03, 95%CI 2.21- 4.16), being a native of the country (OR 2.33, 95%CI 1.76-3.08), residing in an urban area (OR 1.52, 95%CI 1.35-1.72), drug use (OR 3.01, 95%CI 2.14-4.22), excessive alcohol consumption (OR 2.27, 95%CI 1.69-3.06), homelessness (OR 2.87, 95%CI 2.04-4.02), previous incarceration (OR 2.21, 95%CI 1.71-2.86), human immunodeficiency virus infection/acquired immune-deficiency syndrome (OR 1.66, 95%CI 1.36-2.05), young age (OR 2.09, 95%CI 1.69-2.59), sputum smear positivity (OR 1.39, 95%CI 1.20-1.60) and male sex (OR 1.37, 95%CI 1.19-1.58). The results should be useful for improving prevention and control strategies, thus contributing to a reduction in Mycobacterium tuberculosis transmission.
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                Author and article information

                Journal
                rpsp
                Revista Panamericana de Salud Pública
                Rev Panam Salud Publica
                Organización Panamericana de la Salud (Washington, Washington, United States )
                1020-4989
                1680-5348
                January 2013
                : 33
                : 1
                : 22-29
                Affiliations
                [02] Rio de Janeiro RJ orgnameUniversidade Federal do Rio de Janeiro (UFRJ) Brasil
                [01] Rio de Janeiro RJ orgnameFundação Oswaldo Cruz (FIOCRUZ) orgdiv1Escola Nacional de Saúde Pública (ENSP) Brasil paulobasta@ 123456gmail.com
                Article
                S1020-49892013000100004 S1020-4989(13)03300100004
                10.1590/s1020-49892013000100004
                23440154
                6ada9b03-ebed-4127-878e-de95a1afcfeb

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 13 February 2012
                : 05 October 2012
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 39, Pages: 8
                Product

                SciELO Public Health

                Self URI: Texto completo somente em PDF (PT)

                índios sul-americanos,sistemas de saúde,Brasil,Tuberculosis,Indians,South American,health of indigenous peoples,epidemiology,health systems,Brazil,epidemiologia,saúde de populações indígenas,Tuberculose

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