Transmisión congénita del Trypanosoma cruzi en Brasil: estimativa de prevalencia baseada en resultados preliminares de la encuesta nacional serológica en niños menores de cinco años, así como otras fuentes / Congenital transmission of Trypanosoma cruzi in Brazil: estimation of prevalence based on preliminary data of national serological surveys in children under 5 years old and other sources
Rev. Soc. Bras. Med. Trop
; Rev. Soc. Bras. Med. Trop;38(supl.2): 24-26, 2005. tab
Article
em Es
| LILACS
| ID: lil-444183
Biblioteca responsável:
BR1.1
ABSTRACT
A prevalence estimation of congenital transmission in Brazil is performed, based on several sources of recent data. From a serological survey conducted now in Brazil, with children below 5 years old, preliminary data from the state of Minas Gerais only 19/9,556 children did have antibodies against Trypanosoma cruzi. All 19 mothers were infected, but only one child persisted with antibodies on a second blood collection, hence diagnosed as congenital. The other were just passive transference of maternal antibodies. From a recent publication, 278 children born from 145 infected mothers were studied. Two cases (0.7%) were congenital. In other source, from 1,348 blood donors, 35 were born in non endemic areas. When 10 of them were called, 8 were born from infected mothers and five may be congenital. Finally, no infection was detected in 93 children born from 78 infected mothers. The reasons for this low prevalence are discussed, are lower than in other countries of the South Cone, that harbor also T. cruzi 2, but are unrecognized up to now.
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Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Doença de Chagas
/
Complicações Parasitárias na Gravidez
/
Transmissão Vertical de Doenças Infecciosas
Tipo de estudo:
Observational_studies
/
Prevalence_studies
/
Risk_factors_studies
/
Screening_studies
Limite:
Animals
/
Female
/
Humans
/
Pregnancy
País/Região como assunto:
America do sul
/
Brasil
Idioma:
Es
Revista:
Rev. Soc. Bras. Med. Trop
Assunto da revista:
MEDICINA TROPICAL
Ano de publicação:
2005
Tipo de documento:
Article
/
Congress and conference
País de afiliação:
Brasil
País de publicação:
Brasil