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The effect of hookworm infection and urinary schistosomiasis on blood hemoglobin concentration of schoolchildren living in northern Mozambique.
Casmo, Verónica; Augusto, Gerito; Nala, Rassul; Sabonete, Acácio; Carvalho-Costa, Filipe Anibal.
Afiliação
  • Casmo V; Laboratório de Parasitologia Intestinal e Vesical do Instituto Nacional de Saúde de Moçambique, Cidade de Maputo, Moçambique.
  • Augusto G; Laboratório de Parasitologia Intestinal e Vesical do Instituto Nacional de Saúde de Moçambique, Cidade de Maputo, Moçambique.
  • Nala R; Laboratório de Parasitologia Intestinal e Vesical do Instituto Nacional de Saúde de Moçambique, Cidade de Maputo, Moçambique.
  • Sabonete A; Laboratório de Parasitologia Intestinal e Vesical do Instituto Nacional de Saúde de Moçambique, Cidade de Maputo, Moçambique.
  • Carvalho-Costa FA; Laboratório de Epidemiologia e Sistemática Molecular/Laboratório de Virologia Comparada e Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil.
Rev Inst Med Trop Sao Paulo ; 56(3): 219-24, 2014.
Article em En | MEDLINE | ID: mdl-24879000
This study aims to assess the association between schistosomiasis and hookworm infection with hemoglobin levels of schoolchildren in northern Mozambique. Through a cross-sectional survey, 1,015 children from five to 12 years old in the provinces of Nampula, Cabo Delgado and Niassa were studied. Hookworm infection and urinary schistosomiasis were diagnosed, through Ritchie and filtration methods, with a prevalence of 31.3% and 59.1%, respectively. Hemoglobin levels were obtained with a portable photometer (Hemocue®). The average hemoglobin concentration was 10.8 ± 1.42 g/dL, and 62.1% of the children presented levels below 11.5 g/dL, of which 11.8% of the total number of children had hemoglobin levels below 9 g/dL. A multiple linear regression analysis demonstrated negative interactions between hemoglobin levels and ancylostomiasis, this being restricted to the province of Cabo Delgado (ß = -0.55; p < 0.001) where an independent interaction between hemoglobin levels and urinary schistosomiasis was also observed (ß = -0.35; p = 0.016). The logistical regression model indicated that hookworm infection represents a predictor of mild (OR = 1.87; 95% CI = 1.17-3.00) and moderate/severe anemia (OR = 2.71; 95% CI = 1.50 - 4.89). We concluded that, in the province of Cabo Delgado, hookworm and Schistosoma haematobium infections negatively influence hemoglobin levels in schoolchildren. Periodical deworming should be considered in the region. Health education and improvements in sanitary infrastructure could achieve long-term and sustainable reductions in soil-transmitted helminthiases and schistosomiasis prevalence rates.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Esquistossomose Urinária / Hemoglobina A / Infecções por Uncinaria / Anemia Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Animals / Child / Child, preschool / Female / Humans / Male País/Região como assunto: Africa Idioma: En Revista: Rev Inst Med Trop Sao Paulo Ano de publicação: 2014 Tipo de documento: Article País de publicação: Brasil

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Esquistossomose Urinária / Hemoglobina A / Infecções por Uncinaria / Anemia Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Animals / Child / Child, preschool / Female / Humans / Male País/Região como assunto: Africa Idioma: En Revista: Rev Inst Med Trop Sao Paulo Ano de publicação: 2014 Tipo de documento: Article País de publicação: Brasil