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Supplementation with micronutrients and schistosomiasis: systematic review and meta-analysis

Morales-Suarez-Varela, M. and Peraita-Costa, I. and Llopis-Morales, A. and Llopis-Gonzalez, A.

Pathog Glob Health (2019) 113: 101–108

DOI: 10.1080/20477724.2019.1603902

Abstract

Schistosomiasis is a parasitic disease caused by helminths of the genus Schistosoma with two presentations; one intestinal and another urinary; which depend on the specie of Schistosoma. One of the species that can produce intestinal schistosomiasis is Schistosoma mansoni, and the specie that produces urinary schistosomiasis is Schistosoma haematobium. Infection can be aggravated by a deficient nutritional status, which negatively impacts the immune system and increases susceptibility to infection. The main objective of this meta-analysis is to determine if a relationship exists between multimicronutrient supplementation and the reduction of infestation with Schistosoma mansoni and Schistosoma haematobium in children and adolescents. A search was conducted through a scientific literature database, and articles that complied with the pre-established requirements were retrieved. The Review Manager (Rev Man) 5.3 computer program was used for data processing and analysis was carried out with the objective of testing whether the addition of micronutrient supplementation to treatment with broad-spectrum antiparasitic anthelmintic medication has an impact on schistosomiasis infection. Of the 257 initial articles retrieved, eight were included both quantitatively and qualitatively in the meta-analysis. Supplementation reduces infestation with Schistosoma spp 1.33 times more than placebo. In individuals infested with Schistosoma, mansoni supplementation is 1.30 times more effective than placebo and for individuals infested with Schistosoma haematobium, supplementation is 1.62 times more effective than the placebo. The results show a clear relationship between supplementation and reduction of infestation. The supplementation with micronutrients decreases the presence of Schistosoma spp in children and adolescents.

Citation

Morales-Suarez-Varela, M., Peraita-Costa, I., Llopis-Morales, A., & Llopis-Gonzalez, A. (2019). Supplementation with micronutrients and schistosomiasis: systematic review and meta-analysis. Pathog Glob Health, 113(3), 101–108. https://doi.org/10.1080/20477724.2019.1603902 Animals, Male, Female, Humans, Adolescent, Child, Child, Preschool, Placebos/administration & dosage, *meta-analysis, *Nutritional Status, *Children, Micronutrients/*administration & dosage, *adolescents, *schistosoma haematobium, *schistosoma mansoni, *schistosomiasis, *supplementation, Schistosoma haematobium/*isolation & purification, Schistosoma mansoni/*isolation & purification, Schistosomiasis haematobia/*epidemiology, Schistosomiasis mansoni/*epidemiology

Keywords