Effect of Deworming on Hemoglobin Concentration in Children from 2 to 15 Years from the Bengo Province, Angola.
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Date
2015
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Abstract
Objectives: The most common causes of anemia are micronutrient deficiencies, but other factors
may influence namely inflammation, parasitic infections and inherited disorders. One strategy to
combat micronutrient deficiencies is supplementation, yet, in zones with high prevalence of
Schistosomiasis or Soil Transmitted Helminthes (STH), supplementation could be not sufficient.
The aim of this study was to evaluate the effects of deworming, on hemoglobin concentration, in
children from 2 to 15 years, from Bengo.
Methods: A total of 429 children between 2 to 15 years were involved. Nutritional status and
anemia were evaluated. Urine and feces samples were collected for diagnosis of Schistosoma
haematobium and STH. Praziquantel (40 mg/Kg) and Albendazol (400 mg) were administrated. All
parameters were determined at baseline and after 6 months.
Results: The prevalence at baseline of S. hematobium was 61,9%, Trichuris trichuria 15,3%,
Ascaris lumbricoides 11,8 %, Hymenolepis nana 7,8%, and hookworm 3,8%. Anemia was detected
in 71,2% of the children (mild 11,7%, moderate 57,1% and severe 2,3%). Average hemoglobin
concentration was 106,8 g/L. 6 months after treatment the prevalence of S. hematobium
decreased to 44,5%, Trichuris trichuria to 10,9%, Ascaris lumbricoides to 5,0 %, Hymenolepis nana to 6,7%, and hookworm to 0,8%.The average hemoglobin concentration
increased by 7,9 g/L and the prevalence of anemia declined to 49,5% (mild 17,1%, moderate
32,2% and severe 0,2%).
Conclusions: These results confirm the benefit of deworming on hemoglobin concentration, even
with a single intervention. However it should be clear that integrated intervention aiming nutritional
education water treatment, hygiene and sanitation are needed to reduce micronutrient deficiency.
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Brito Miguel, Lemos Manuel, Mirante Clara, Moura Sofia, Mayer Carlos. Effect of Deworming on Hemoglobin Concentration in Children from 2 to 15 Years from the Bengo Province, Angola. European Journal of Nutrition & Food Safety. 2015 Special issue; 5(5): 1007-1008.