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Transmission control of schistosomiasis mansoni in a low endemicity area through a single intervention with rigorous prospection of infected cases treated with praziquantel: evaluation after 7 years of intervention.
Carneiro, Nídia Francisca de Figueiredo; Caldeira, Antônio Prates; Katz, Naftale; Oliveira, Áureo Almeida de; Siqueira, Liliane Maria Vidal; Oliveira, Edward; Silveira, Marise Fagundes; Enk, Martin Johannes; Coelho, Paulo Marcos Zech.
Afiliação
  • Carneiro NFF; Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, Brazil.
  • Caldeira AP; Centro de Controle de Zoonoses, Montes Claros, Minas Gerais, Brazil.
  • Katz N; Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, Brazil.
  • Oliveira ÁA; Fundação Oswaldo Cruz, Instituto René Rachou, Laboratório de Esquistossomose, Belo Horizonte, Minas Gerais, Brazil.
  • Siqueira LMV; Fundação Oswaldo Cruz, Instituto René Rachou, Laboratório de Esquistossomose, Belo Horizonte, Minas Gerais, Brazil.
  • Oliveira E; Fundação Oswaldo Cruz, Instituto René Rachou, Laboratório de Esquistossomose, Belo Horizonte, Minas Gerais, Brazil.
  • Silveira MF; Fundação Oswaldo Cruz, Instituto René Rachou, Laboratório de Pesquisa Clínica, Belo Horizonte, Minas Gerais, Brazil.
  • Enk MJ; Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, Brazil.
  • Coelho PMZ; Instituto Evandro Chagas, Ananindeua, Pará, Brazil.
Rev Inst Med Trop Sao Paulo ; 61: e64, 2019.
Article em En | MEDLINE | ID: mdl-31859841
A prospective cohort study with rigorous searching for schistosomiasis cases was conducted among residents of Pedra Preta, Montes Claros, Minas Gerais State, Brazil, seven years after an intervention. Kato-Katz (KK), Saline Gradient, Miracidia Hatch and Polymerase Chain Reaction (PCR) were used as the diagnostic methods in 2008. In the period of 2013-2016, 175 patients remaining in the area were examined using the diagnostic methods Kato-Katz (24 slides, 1 g of feces) and Saline Gradient (2 procedures, 1 g of feces). Sixty-eight out of the 69 infected and treated individuals in 2008 tested negative. The percentage of new cases was 2.29% (4/175), and the 4 infected individuals presented low parasitic load [1, 6, 7 and 19 eggs per gram (EPG)]. All the participants answered epidemiological questionnaires on risky behavior. All residences had pit latrines and domiciliary water supply. The primary transmission focus (lake) was dry for several months. Malacological surveys showed a few non-infected specimens of Biomphalaria glabrata . A clear dominance of Biomphalaria straminea was observed. It can be inferred that a significant decrease in the disease transmission occurred after a single action through an intense search for infected and treated cases under the ecoepidemiological conditions of this area.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Praziquantel / Schistosoma mansoni / Biomphalaria / Esquistossomose mansoni Tipo de estudo: Etiology_studies / Incidence_studies / Observational_studies / Risk_factors_studies Limite: Adult / Animals / Female / Humans / Male Idioma: En Revista: Rev Inst Med Trop Sao Paulo Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Praziquantel / Schistosoma mansoni / Biomphalaria / Esquistossomose mansoni Tipo de estudo: Etiology_studies / Incidence_studies / Observational_studies / Risk_factors_studies Limite: Adult / Animals / Female / Humans / Male Idioma: En Revista: Rev Inst Med Trop Sao Paulo Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil