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Medicina (Buenos Aires)

versión impresa ISSN 0025-7680versión On-line ISSN 1669-9106


DANESI, Emmaría; OLENKA CODEBO, María  y  SOSA-ESTANI, Sergio. Transmisión congénita de Trypanosoma cruzi: Argentina 2002-2014. Medicina (B. Aires) [online]. 2019, vol.79, n.2, pp.81-89. ISSN 0025-7680.

In Argentina, around 1500 children are born each year with Trypanosoma cruzi infection. Mother-to-child transmission is the main source of new cases of Chagas disease and of its occurrence in non-endemic areas. Our objective was to survey the information available on congenital T. cruzi infection, to analyze its evolution and its relation with the index of maternal infection and the risk for vector-borne infection by province of Argentina. Data concerning the public health sector for the period 1997-2014 were retrieved from national and local records. An increase in the number and proportion of pregnant women examined for Chagas was observed, reaching 60.3% coverage in 2014. The prevalence of maternal infection dropped from 9.0% to 2.6%. The control of newborns from infected women was highly variable (23.3%-93.6%), and data quality was deficient, varying amply by province and year. The rate of congenital infection had an irregular evolution and its national average fluctuated between 1.9 and 8.2%. An association was observed between the risk for vector-borne infection and the prevalence of maternal infection by province (Wilcoxon test p = 0.017). The rate of congenital transmission by province was neither associated with the rate of maternal infection (linear regression p = 0.686) nor with the risk for vectorial infection (Kruskal-Wallis test p = 0.3154). The available data show insufficient control of children born from infected mothers, as well as deficient recording of these procedures. Both aspects must be improved to achieve better epidemiological information and to enable timely access of infected children to treatment.

Palabras clave : Chagas disease; Congenital; Epidemiological monitoring; Public health.

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