Detection of Mycobacterium tuberculosis in sputum from Suruí Indian subjects, Brazilian Amazon

Basta, Paulo Cesar; Oelemann, Maranibia Aparecida Cardoso; Oelemann, Walter; Fonseca, Leila de Souza; Coimbra, Carlos E. A.

doi:10.1590/s0074-02762006000600001

Cited by 13 publications

(15 citation statements)

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“…The associations between rates of TB infection and age, contact with a patient infected with TB in the last 2 years, and history of TB, were all statistically signifi cant and of substantial magnitude, which is consistent with current knowledge about the transmission of TB and similar to previous studies (9) (11) (15) (16) . In contrast to those studies, which used odds ratios, the present study estimated prevalence ratios, which is considered a more accurate measure of association in settings with a prevalence of infection as high as often seen in indigenous populations (29) .…”

Section: Discussionsupporting

confidence: 90%

“…In Brazil, the situation is even more critical, due to higher incidence rates, elevated concentrations of cases along international borders (with a signifi cant proportion of cases involving children and adolescents), drug resistance, prevalence of latent infection with Mycobacterium tuberculosis (MTB) exceeding 40%, and reported patterns of recent and ongoing transmission in the investigated villages (7) (8) (9) (10) (11) (12) (13) . Studies conducted over the last decade in the State of Rondônia also illustrate the gravity of the situation in our study area (7) (8) (14) (15) (16) . The occurrence of TB in indigenous territories (IT) was recently documented in a study of the geographic distribution of TB cases reported in the Information System for Notifi able Diseases [Sistema de Informação de Agravos de Notifi cação (SINAN)] (17) .…”

Section: Introductionsupporting

confidence: 52%

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Prevalence and factors associated with latent tuberculosis infection in an indigenous population in the Brazilian Amazon

Malacarne

Rios

Silva

et al. 2016

Rev. Soc. Bras. Med. Trop.

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Introduction:Recent studies have shown a high incidence and prevalence of latent tuberculosis infection (LTBI) in indigenous populations around the World. We aimed to estimate the prevalence and annual risk of infection (ARI) as well as to identify factors associated with LTBI in an indigenous population from the Brazilian Amazon. Methods: We conducted a cross-sectional study in 2011. We performed tuberculin skin tests (TSTs), smears and cultures of sputum samples, and chest radiographs for individuals who reported cough for two or more weeks. Associations between LTBI (TST ≥5mm) and socio-demographic, clinical, and epidemiological characteristics were investigated using Poisson regression with robust variance. Prevalence ratio (PR) was used as the measure of association. Results: We examined 263 individuals. The prevalence of LTBI was 40.3%, and the ARI was 2.4%. Age ≥15 years [PR=5.5; 95% confi dence interval (CI): 3.5-8.6], contact with tuberculosis (TB) patients (PR=3.8; 95% CI: 1.2-11.9), previous TB history (PR=1.4; 95% CI: 1.2-1.7), and presence of Bacillus Calmette-Guérin (BCG) scar (PR=1.9, 95% CI: 1.2-2.9) were associated with LTBI.Conclusions: Although some adults may have been infected years prior, the high prevalence of infection and its strong association with age ≥15 years, history of TB, and recent contact with TB patients suggest that the TB transmission risk is high in the study area.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionsupporting

confidence: 52%

Prevalence and factors associated with latent tuberculosis infection in an indigenous population in the Brazilian Amazon

Malacarne

Rios

Silva

et al. 2016

Rev. Soc. Bras. Med. Trop.

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“…16 In contrast to what has been reported among other indigenous groups, 3,4,7 for whom it has been described that they were disfavored in being offered examinations compared to other sectors of the population, the health service (provided by the DSEI/MS) appears to be better structured for meeting the needs of the indigenous in MS. Higher proportions of bacilloscopies and sputum cultures being carried out were observed in this group, as were TT and thorax x-rays. The analysis of variables of supervised treatment and follow up in three-year periods showed that there was admirable evolution in control actions over the period, as well as improvements in collecting data.…”

Section: 15-17mentioning

confidence: 67%

“…[3][4][5]7,10,17 Although there have been advances in knowledge, there are still gaps concerning follow up of cases undergoing treatment and in monitoring contacts. Moreover, little is known about the characteristics related to those cases that end in death, abandonment of treatment of multidrug-resistant tuberculosis (MRTB) among the indigenous, especially in comparison with other populations.…”

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confidence: 99%

Desigualdades sociais e tuberculose: análise segundo raça/cor, Mato Grosso do Sul

et al. 2013

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OBJECTIVE:To describe the sociodemographic and clinical-epidemiological characteristics of tuberculosis cases and identify associated factors with abandoning treatment and death whilst undergoing treatment. METHODS:Epidemiological study based on cases of tuberculosis recorded in indigenous and non-indigenous individuals according to race/color in Mato Grosso do Sul, Midwestern Brazil, between 2001 and. Descriptive analysis of the cases was carried out according to the variables of sex, age group, residence, type of test used in the diagnosis, clinical form, supervised treatment and final status, according to race/color. Univariate/multivariate logistic regression analyses were used to identify predictors of abandoning treatment and death, using odds ratio as a measure of association. A time series of incidence according to race/color was constructed. RESULTS:In the period, 6,962 new cases of tuberculosis were registered, 15.6% being among indigenous. The illness was predominantly found in men and adults (20-44 years old) in all groups. Most of the indigenous patients lived in rural areas (79.8%) and 13.5% of the records in indigenous occurred in children aged < 10 years. The average incidence in the state was 34.5/100,000 inhabitants, being 209.0, 73.1, 52.7, 23.0 and 22.4 in indigenous, and those with yellow, black, white and brown skin, respectively. Patients aged 20 to 44 years (OR = 13.3, 95%CI 1.9;96.8), male (OR = 1.6, 95%CI 1.1;2.3) and of black race/color (OR = 2.5, 95%CI 1.0;6.3) were associated with abandoning treatment, while patients aged > 45 years (OR = 3.0, 95%CI 1.2;7.8) and with the mixed form (OR = 2.3, 95%CI 1.1;5.0) showed association with death. Although they only account for 3.0% of the population, the indigenous were responsible for 15.6% of cases recorded during the period. CONCLUSIONS:Major inequalities in the tuberculosis illness process were found between the categories studied. Incidence in the indigenous population was consistently higher than recorded in any other group, reaching more than six times the national average. It was among those with black and brown skin that the worst treatment results were observed, as they were twice as likely to abandon treatment as the indigenous. Poor program performance was strongly associated with abandoning treatment and death. It is thought that as long as there is no reduction in poverty inequalities in health indicators will remain.

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“…De uma forma geral, os trabalhos de pesquisa em saúde com populações indígenas são difíceis de serem conduzidos e pouco numerosos, sendo raros os artigos na literatura, a maioria relacionada a inquéritos de prevalência de doenças infecciosas (GUERRA et al, 2004;BASTA et al, 2006;ISHAK M. e ISHAK R., 2001;SOBRAL et al, 2005) Ao ser concebida, a política indigenista brasileira partia do princípio de que os índios eram povos primitivos, que deveriam evoluir para se aproximar da sociedade brasileira. Isso contribuiu para que a cultura e os saberes dessa população fossem desqualificados, e também impulsionou o aculturamento e a incorporação dos indígenas como mão de obra agrícola no processo de ocupação do território brasileiro (GARNELO et al, 2003 (GARNELO et al, 2003).…”

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Perfil de morbidade da população indígena infantil referenciada para a Casa de Saúde Indígena (CASAI) de Rio Branco

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Detection of Mycobacterium tuberculosis in sputum from Suruí Indian subjects, Brazilian Amazon

Abstract: This investigation aimed at the detection of

Cited by 13 publications

References 8 publications

Prevalence and factors associated with latent tuberculosis infection in an indigenous population in the Brazilian Amazon

Prevalence and factors associated with latent tuberculosis infection in an indigenous population in the Brazilian Amazon

Desigualdades sociais e tuberculose: análise segundo raça/cor, Mato Grosso do Sul

Perfil de morbidade da população indígena infantil referenciada para a Casa de Saúde Indígena (CASAI) de Rio Branco

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