Avaliação epidemiológica, clínica e molecular de enteropatógenos causadores de diarreia aguda em crianças e adultos residentes na comunidade Quilombola do Abacatal, Ananindeua, Pará

Abstract

Acute diarrheal disease is a major cause of morbidity and mortality in developing countries and one of the factors that contributes to the worsening of the nutritional status of children. This study aimed to evaluate the clinical, epidemiological and molecular profile of infections by viral and parasitic agents in children aged 0-10 years and those over 10 years of quilombo of Abacatal in the 2008-2010 period. Fecal samples from 294 children were collected in the age group 0-10 years and 81 individuals over 10 years, residents of the community Abacatal, Ananindeua, Pará, which had acute diarrhea board or without diarrhea (controls). The viral diagnosis was made by immunochromatographic and molecular tests and parasitological by Faust and Hoffman method. A total of 375 fecal samples were obtained from 177 individuals. The frequency of viral agents in this study were rotavirus group A rotavirus C and picobirnavirus group by 6.4% (24/375), 0.3% (1/375) and 1.3% (5/375 ), respectively.The polyacrylamide gel electrophoresis confirmed the presence of rotavirus in 23 of 10 samples (43.48%) having short profile of 13 (56.5%) long profile. The presence of intestinal parasites was observed in 272 (77.94%) samples, and the most common were Ascaris lumbricoides detected in 13.18% (46/349) of the samples, followed by Trichuris trichiura with 10.88% (38 / 349), hookworms with 4.01% (14/349) and Strongyloides stercoralis 1.72% (6/349). Of the 24 samples positive for rotavirus group A the following genotypes were detected: G2P [4] (12.50%, 3/24); G1P [8] (25.00%, 6/24), G3P [9] (29.20%, 7/24) and G12P [6] (33.33%, 8/24). Two new genotypes were detected for VP6 genes (I18) and NSP1 (A19) of rotavirus A. Nutritional assessment of 38 children was conducted, showing that 18 4% (7/38) presented malnourished. This study highlights the need to implement preventive actions in the community, including education measures for health, vaccination against rotavirus, and even the implementation of programs to control parasitic infestations.