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1.
Rev. Soc. Bras. Med. Trop ; 56: e0207, 2023. graf
Article in English | LILACS-Express | LILACS | ID: biblio-1422889

ABSTRACT

ABSTRACT Background: To analyze the epidemiology, surveillance, and control strategies for trachoma in the state of Ceará, northeast Brazil, from 2007 to 2021. Methods: This ecological study was based on secondary data from the Information System on Notifiable Diseases of the Secretary of Health of the state of Ceará. Data from school and home surveys for trachoma detection obtained during the study period were analyzed, the percentage of positivity was estimated, and sociodemographic and clinico-epidemiological factors were investigated. Results: The coverage of trachoma surveillance and control actions in Ceará municipalities increased from 12.5% in 2007 to 55.9% in 2019, but with an average restriction of 8.0% during the COVID-19 pandemic. The estimated trachoma positivity (mean overall positivity) was less than 5.0% (2.76%, 95% CI 1.2-5.2), with a higher proportion of cases in the 5-9-year age group (45.0%, 95% CI 44.6-45.4), in females (53.2%, 95% CI 52.8-53.6), and rural areas (52.6%, 95% CI 52.2-53.0). Positivity above 10.0% was observed in the Litoral Leste/Jaguaribe and Sertão Central regions, with a higher occurrence of the follicular inflammatory clinical form (98.1%, 95% CI 98.0-98.2). Conclusions: Trachoma remains in the state of Ceará and is likely underreported. Despite recent advances, the fragility of health surveillance activities compromises the recognition of the actual magnitude and distribution of trachoma in the state. Accurate information is fundamental for planning, monitoring, and evaluating surveillance and disease control.

2.
Cad. saúde colet., (Rio J.) ; 21(3): 318-324, jul.-set. 2013. tab
Article in Portuguese | LILACS | ID: lil-689940

ABSTRACT

Realizamos um estudo de corte transversal na Vila Estrutural (DF), utilizando amostragem por conglomerados. Os objetivos do estudo foram estimar a prevalência de tracoma em crianças de um a nove anos, descrever o perfil sociodemográfico dos casos e identificar possíveis fatores de risco associados à doença. A medida de associação foi razão de prevalência estimada pela odds ratio e o intervalo de confiança 95% (IC95%). Foram amostradas 766 crianças de 1 a 9 anos e encontrada prevalência de tracoma ativo de 12,5%. A alta prevalência observada reforça que a doença permanece como um problema de saúde pública, sendo necessária a adoção de medidas de controle, com vistas à eliminação da doença, enquanto causa de cegueira. Recomendamos capacitar profissionais da área para detecção e monitoramento de situação epidemiológica e adotar atividades de educação em saúde com enfoque em medidas de controle e prevenção.


We conducted a cross-sectional study in Vila Estrutural (DF) using cluster sampling. This study aimed to estimate prevalence of trachoma in children aged one to nine years, to describe the socio-demographic profile of cases, and to identify possible risk factors associated with the disease. The association measure was prevalence ratio estimated by odds ratio and 95% confidence interval (CI95%). We sampled 766 children aged 1 to 9 years and found a prevalence of active trachoma of 12.5%. The high prevalence reinforces that the disease remains a public health problem, being necessary to adopt control measures, in order to eliminate the disease as a cause of blindness. We recommend enabling professionals to detect and to monitor the epidemiological situation and adopt health education activities focusing on prevention and control measures.

3.
Rev. panam. salud pública ; 29(6): 451-456, June 2011. tab
Article in Portuguese | LILACS | ID: lil-608277

ABSTRACT

A captação de sintomáticos respiratórios (SR) é importante para a detecção precoce de tuberculose. O objetivo deste estudo foi estimar a prevalência de SR em três regiões administrativas (RA) do Distrito Federal, Brasil. Para tanto, foi utilizada a técnica de amostragem por conglomerados (30 por 7) proposta pela Organização Mundial da Saúde. Foram definidos como SR os indivíduos com 15 anos ou mais residentes nas RAs Estrutural, Itapoã ou Varjão e que apresentassem tosse há pelo menos 3 semanas na data da entrevista. A prevalência de SR em Estrutural e Varjão foi de 5,7 por cento (IC95 por cento: 2,4 a 9,0), e em Itapoã, de 4,8 por cento (IC95 por cento: 1,6 a 7,9), com efeito de desenho próximo de 1,0. Em Estrutural e Itapoã, menos anos de estudo, e em Itapoã e Varjão, menor renda, estiveram associados com ser SR. O tabagismo esteve associado com a presença de sintomas respiratórios em todas as RAs. A prevalência de SR está de acordo com aquela encontrada em outras áreas com perfil socioeconômico semelhante ao das áreas estudadas.


The identification of individuals with respiratory symptoms (RS) is important for the early detection of tuberculosis. The aim of this study was to estimate the prevalence of RS in three administrative regions of the Federal District, Brazil. For this, we used the 30 by 7 cluster sampling technique proposed by the World Health Organization. Individuals with RS were defined as those aged 15 years or older living in the administrative regions of Estrutural, Itapoã, or Varjão and reporting a cough lasting at least 3 weeks at the date of the interview. The prevalence of RS was 5.7 percent in Estrutural and Varjão (95 percent CI: 2.4-9.0) and 4.8 percent in Itapoã (95 percentCI: 1.6-7.9), with a design effect close to 1.0. In Estrutural and Itapoã, fewer years of schooling, and in Itapoã and Varjão, lower income, were associated with RS. Cigarette smoking was associated with the presence of RS in all regions. The prevalence of RS in the three administrative regions investigated is consistent with that of other areas with a similar socioeconomic profile.


Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Aged , Aged, 80 and over , Young Adult , Cough/epidemiology , Brazil/epidemiology , Cluster Analysis , Early Diagnosis , Prevalence , Smoking/epidemiology , Socioeconomic Factors , Tuberculosis/diagnosis , Tuberculosis/epidemiology , Urban Health/statistics & numerical data
4.
Cad. saúde pública ; 23(7): 1682-1688, jul. 2007.
Article in English | LILACS | ID: lil-452430

ABSTRACT

Synanthropic flies have been shown to be important mechanical vectors of Chlamydia trachomatis, which causes trachoma. However entomological studies have not been forthcoming in Latin America. This study assesses the relationship between household dipteran fly densities and active childhood trachoma in a village on Marajó Island, Pará state, Brazil. For 78 households, members were examined for signs of trachoma, relative abundance of potential trachoma vectors (Diptera, Chloropidae and Diptera, Muscidae) was quantified by trap counts, and additional measures of household hygiene associated with C. trachomatis transmission were assessed. Active childhood trachoma prevalence was 24.1 percent (45/187), present in 46.2 percent of sampled households with evidence of case clustering. Childhood prevalence was positively associated with increased fly densities, whereas indirect measures of sanitary conditions (latrine ownership and perceived importance of flies) showed a protective effect. This study indicates that C. trachomatis can be transmitted by synanthropic flies in this region of Latin America.


Insetos sinantrópicos são importantes vetores mecânicos de Chlamydia trachomatis, causadora de tracoma, contudo, estudos entomológicos não são freqüentes na América Latina. Esse estudo determina a relação entre densidade de dípteros domésticos e tracoma ativo na infância em uma vila na Ilha do Marajó, Estado do Pará, Brasil. Moradores de 78 residências foram examinados para sinais de tracoma e a relativa abundância de potenciais vetores de tracoma (Diptera, Chloropidae e Diptera, Muscidae) foi quantificada junto com medidas adicionais de higiene doméstica associada com a transmissão de C. trachomatis. A prevalência de tracoma ativo na infância foi 24,1 por cento (45/187), presente em 46,3 por cento das residências amostradas com evidência de aglomeração de casos. A prevalência na infância foi positivamente associada com o aumento das densidades de insetos, enquanto medidas indiretas de condições sanitárias (possuir latrina e perceber a importância dos insetos) foram protetoras. Esse estudo indica que C. trachomatis pode ser transmitida por insetos sinantrópicos nessa região da América Latina.


Subject(s)
Adolescent , Animals , Child , Child, Preschool , Female , Humans , Male , Chlamydia trachomatis , Insect Control , Insect Vectors/microbiology , Muscidae/microbiology , Psychodidae/microbiology , Trachoma/transmission , Analysis of Variance , Hygiene , Latin America/epidemiology , Population Density , Residence Characteristics , Risk Factors , Trachoma/epidemiology
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