Aspectos clínicos, sociais e trabalhistas da doença de Chagas em área endêmica sob controle do Estado de Minas Gerais, Brasil

Abstract

Candidatos a emprego em construção civil na região de Bambuí, MG, submeteram-se a sorologia para doença de Chagas, eletrocardiograma e Rx de tórax e esôfago. De 301 candidatos recentes uma prevalência de 11,6% de infecção chagásica foi detectada, sendo 5,0% no grupo etário de 18-29 anos, 13,8% no de 30-39 e 39,4% no de 40 anos e acima. A ocorrência de ECGs alterados foi de 31,3% no grupo soropositivo contra 7,1% nos soronegativos (p Among 301 construction workers examined in Bambuí, Brasil, 11.6% presented positive serology for American trypanosomiasis, with aprevalence of 5.0% in the age group 17-29 years, 13.8% in the 30-39 and 39.4% in the 40-57. Electrocardiographic disturbances were detected in 31.3% of the seropositive and in 7.1% of the seronegative individuals, with a significant difference in the age group 40-57 years. Cardiac enlargement and oesophagopathy were detected respectivety in 8.6% and 8.6% of the positive and 1.5% and 0.8% of the negative group. Chagasic and non-chagasic individuals came from the same region and social status, but the seropositive group was more associated with low scholar ship and immediate antecedent of rural activities. The effectiveness of the programme of vector control installed in the Region in the years 1970 is once more confirmed by its positive impact on the prevalence and morbidity of human Chagas disease. Congenital and transfusional Chagas disease seem to play a very small epidemiologic role in the Region at the present time.

Keywords

• Doença de Chagas
• Trabalho
• Morbidade
• Controle
• Chagas disease
• Work
• Morbidity
• Control