Anemia, parasitismo intestinal e exposição mercurial em duas comunidades ribeirinhas da Amazônia

Abstract

The incidence of anemia, intestinal parasitism and mercurial exposure prevalence in two Amazon riverside communities, São Luiz of Tapajós (Tapajós River) and Igarapé-Mirim (Tocantins River), where social-economics standards are similar. Eighty hair simples, blood and stool were analyzed. The results demonstrated incidence of intestinal parasitism of 42.5% in São Luiz of Tapajós and 75,15% in Igarapé-Mirim. The hematimetrics indexes indicated incidence of anemia of 40% in São Luiz do Tapajós and 25% in Igarapé-Mirim. The medium total mercury concentrations in hair samples of the residents in São Luiz of Tapajós were 14.9 ± 6.6 µg/g in male individuals and 13,4 ± 3,4 µg/g in the females sex, while in Igarapé-Mirim they were of 2,5 ± 1,4 µg/g in the male probant and 3,5 ± 1,6 µg/g in the female one. It was observed in São Luiz do Tapajós, 82,5% of concentrations of total mercury are above the 10 µg/g, value of reference for population no exposed, while in Igarapé-Mirim, any values above these were fround values. It can be concluded that the quality of life of the riverine people analyzed is committed by the appraised factors, becoming necessary the adoption of preventive ways of educative actions in those communities by government authorities sponsor.