[Control of schistosomiasis mansoni in an area of low transmission]. / Controle da esquistossomose mansônica em área de baixa transmissão.
Mem Inst Oswaldo Cruz
; 87 Suppl 4: 233-9, 1992.
Article
em Pt
| MEDLINE
| ID: mdl-1343901
The schistosomiasis is transmitted by Biomphalaria tenagophila in our study area (Pedro de Toledo, São Paulo, Brazil). From 1980 to 1990 epidemiological surveys in a population of 4,000 inhabitants, has shown that: prevalences by Kato-Katz (KKT), immunofluorescence (FT) and intradermal (IDT) techniques were 22.8%, 55.5% and 51.8%, respectively; intensity of infection was low, 58.5 eggs per gram of faeces (epg); there were no symptomatic cases; prevalences were higher in mates, children and rural zone; index of potential contamination was 57.5% in the age group 5 to 20 years; 2/3 of patients were autochthonous; cases were no-randomly aggregated; transmission was focal and only 0.4% of snails were infected; water contacts through recreation showed the most important odds ratio; knowledge, attitudes and practices were satisfactory. From the epidemiological findings a control programme was carried out: yearly faeces exams, chemotherapy, molluscocide, health education and sanitation. Thus, the prevalence decreased sharply to 3.3% and intensity of infection to 30.3 epg; the incidence rates ranged between 0.4% and 2.5% annually; the sanitation became better and the youngsters were the main target in prophylaxis. To improve control, immunodiagnosis has to be conducted and the involvement of the population should be increase. However, we cannot forget that re-infection, therapeutic failure, etc, could play a major role in the maintenance this residual prevalence.
Buscar no Google
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Esquistossomose mansoni
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
/
Evaluation_studies
/
Incidence_studies
/
Observational_studies
/
Prevalence_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Adolescent
/
Adult
/
Animals
/
Child
/
Child, preschool
/
Female
/
Humans
/
Male
País/Região como assunto:
America do sul
/
Brasil
Idioma:
Pt
Revista:
Mem Inst Oswaldo Cruz
Ano de publicação:
1992
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil