Intestinal parasitism among waste pickers in Mato Grosso do Sul, Midwest Brazil

ABSTRACT The purpose of this study was to estimate the prevalence of intestinal parasites in both cooperative-affiliated and independent waste pickers operating at the municipal sanitary landfill in Campo Grande, Mato Grosso do Sul, Brazil, and associate these findings with hemoglobin, eosinophils,...

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Bibliographic Details
Published in:Revista do Instituto de Medicina Tropical de São Paulo
Main Authors: Minoru German Higa Júnior, Wesley Márcio Cardoso, Sabrina Moreira dos Santos Weis, Adriana de Oliveira França, Elenir Rose Jardim Cury Pontes, Patrícia Vieira da Silva, Márcia Pereira de Oliveira, Maria Elizabeth Moraes Cavalheiros Dorval
Format: Article in Journal/Newspaper
Language:English
Published: Universidade de São Paulo (USP) 2017
Subjects:
Occupational health
Solid waste
Parasites
Vitamins
Hypovitaminose A
Hypovitaminose C
Cytokines
Waste pickers
Parasitosis
Intestinal parasitism
Intestinal parasitosis
Arctic medicine. Tropical medicine
RC955-962
Infectious and parasitic diseases
RC109-216
Arctic
Online Access:https://doi.org/10.1590/s1678-9946201759087
https://doaj.org/article/74e662dba27c430e82cf19128738264b
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Summary:ABSTRACT The purpose of this study was to estimate the prevalence of intestinal parasites in both cooperative-affiliated and independent waste pickers operating at the municipal sanitary landfill in Campo Grande, Mato Grosso do Sul, Brazil, and associate these findings with hemoglobin, eosinophils, vitamin A and C levels and interleukin 5 and 10 (IL-5 and IL-10) production. Biological samples were collected, in addition to clinical, epidemiological, and sociodemographic data. Stool analyzes were based on sedimentation by centrifugation and on spontaneous sedimentation. High-performance liquid chromatography was used to determine vitamin A and C levels. ELISA was employed to quantify interleukins. Intestinal parasites were found in 29 of the 66 subjects assessed (43.9%). Endolimax nana (22.7%), Entamoeba coli (21.1%), Giardia lamblia (6.1%), Entamoeba histolytica/E. dispar (4.5%), and Ascaris lumbricoides (4.5%) were the most prevalent species. Pathogenic parasites were detected in 11 individuals (16.7%). Hypovitaminoses A and C were detected in 19.6% (13/66) and 98.4% (65/66) of subjects, respectively. IL-5 and IL-10 production was observed in 21 (31.8%) and 32 (48.4%) subjects, respectively. Infection with pathogenic intestinal parasites was not a cause of vitamin A and C deficiency or IL-5 and IL-10 production among these workers.

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