Congenital transmission of Trypanosoma cruzi in central Brazil. A study of 1,211 individuals born to infected mothers
Mem. Inst. Oswaldo Cruz
; 110(3): 369-376, 05/2015. tab
Article
em En
| LILACS
| ID: lil-745967
Biblioteca responsável:
BR1.1
ABSTRACT
Transmission of Trypanosoma cruzi during pregnancy is estimated to occur in less than 20% of infected mothers; however, the etiopathogenesis is not completely understood. The Centre for Studies on Chagas Disease provides confirmation of T. cruzi infection for individuals living in central Brazil. In this retrospective hospital-based study, all requests for diagnosis of T. cruzi infection in individuals less than 21 years old from 1994-2014 were searched. We end with 1,211 individuals and their respective infected mothers. Congenital transmission of infection was confirmed in 24 individuals (2%) in central Brazil, an area where the main T. cruzi lineage circulating in humans is TcII. This low prevalence of congenital Chagas disease is discussed in relation to recent findings in the south region of Brazil, where TcV is the main lineage and congenital transmission has a higher prevalence (approximately 5%), similar to frequencies reported in Argentina, Paraguay and Bolivia. This is the first report to show geographical differences in the rates of congenital transmission of T. cruzi and the relationship between the prevalence of congenital transmission and the type of Tc prevalent in each region.
Palavras-chave
Texto completo:
1
Base de dados:
LILACS
Assunto principal:
Trypanosoma cruzi
/
Doença de Chagas
/
Complicações Parasitárias na Gravidez
/
Transmissão Vertical de Doenças Infecciosas
Tipo de estudo:
Prevalence_studies
/
Risk_factors_studies
Limite:
Adolescent
/
Child
/
Child, preschool
/
Female
/
Humans
/
Infant
/
Male
/
Newborn
/
Pregnancy
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Assunto da revista:
MEDICINA TROPICAL
/
PARASITOLOGIA
Ano de publicação:
2015
Tipo de documento:
Article
País de afiliação:
Brasil