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Mortalidad infantil por anencefalia en la Argentina. Análisis espacial y temporal (1998-2007)

Authors: Bronberg, Ruben Adrian; Alfaro, Emma; Chaves, Estela; Andrade, Alberto; Gili, Juan; López Camelo, Jorge Santiago; Dipierri, Jose Edgardo;

Mortalidad infantil por anencefalia en la Argentina. Análisis espacial y temporal (1998-2007)

Abstract

Objetivo. Analizar la distribución espacial y temporal de la mortalidad infantil por anencefalia en la Argentina en relación a las fases del proceso de fortificación con ácido fólico. Población y métodos. Los datos provinieron de los certificados de recién nacidos vivos y de defunción de menores de 1 año, período 1998- 2007 (Ministerio de Salud). Se calculó: a) la tasa de mortalidad infantil por anencefalia para la Argentina, regiones geográficas, provincias y departamentos de acuerdo a las distintas fases de fortificación obligatoria con ácido fólico; b) la tendencia secular de la tasa de mortalidad infantil por anencefalia y el riesgo de mortalidad por anencefalia; c) la distribución espacial por análisis de agrupamiento y de su correlación con la latitud y la longitud geográficas. Resultados. Se observó a nivel nacional una reducción del riesgo de mortalidad por anencefalia del 53%. A nivel regional el mayor descenso se observó en Cuyo (69%) y el menor en el Noreste argentino (35%). Se constató una gran heterogeneidad a nivel departamental y, en menor medida, en el provincial. Se identificó un agrupamiento integrado por 29 partidos del noreste de Buenos Aires con una tasa de mortalidad infantil por anencefalia de 5,15/10 000 nacidos vivos, significativamente mayor a la nacional, de 3,10/10 000 nacidos vivos. Conclusiones. Se observó una tendencia secular negativa estadísticamente significativa de la tasa de mortalidad infantil por anencefalia, pero persisten disparidades espaciales. La distribución geográfica de anencefalia permitiría orientar la búsqueda de factores de riesgo ambientales/ genéticos y reforzar estrategias de prevención primaria, por medio de la fortificación obligatoria, el consumo de folatos y la suplementación con ácido fólico.

Objective. Analyze the spatial and temporal distribution of infant mortality by anencephaly in Argentina in relation with folic acid fortification phases. Population and methods. Data came from certificates of live births and deaths in children under 1 year, for the 1998-2007 period (Argentine Ministry of Health). The infant mortality rate attributable to anencephaly for Argentina, geographical regions, provinces and departments were estimated according to the different phases of mandatory fortification with folic acid. Secular trend of infant mortality rate attributable to anencephaly and death risk due to anencephaly, spatial distribution by infant mortality rate attributable to anencephaly cluster and its correlation to latitude and longitude were also analyzed. Results. Reduced risk of mortality due to anencephaly (53%) was observed at national level. The greatest decline occurred in Cuyo (69%) and lowest in the Northeast (35%) at regional level. Considerable infant mortality rate attributable to anencephaly heterogeneity was found at departmental level and less at provincial level. A cluster of 5.15/10 000 infant mortality rate attributable to anencephaly was identified in the northeast of Buenos Aires province, consisting of 29 departments, significantly different from the rest of the country. Conclusions. While there was a statistically significant negative secular trend of infant mortality rate attributable to anencephaly, spatial disparities persist. The geographical distribution of anencephaly would guide the search for environmental/genetic risk factors and strengthen primary prevention strategies, through mandatory fortification, folate intake and folic acid supplementation.

Fil: López Camelo, Jorge Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. CEMIC-CONICET. Centro de Educaciones Médicas e Investigaciones Clínicas "Norberto Quirno". CEMIC-CONICET; Argentina

Fil: Gili, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. CEMIC-CONICET. Centro de Educaciones Médicas e Investigaciones Clínicas "Norberto Quirno". CEMIC-CONICET; Argentina

Fil: Bronberg, Ruben Adrian. Gobierno de la Ciudad de Buenos Aires. Hospital General de Agudos "Ramos Mejía"; Argentina

Fil: Dipierri, Jose Edgardo. Universidad Nacional de Jujuy. Instituto de Biología de la Altura; Argentina

Fil: Andrade, Alberto. Universidad Nacional de Jujuy. Instituto de Biología de la Altura; Argentina

Fil: Chaves, Estela. Universidad Nacional de Jujuy. Instituto de Biología de la Altura; Argentina

Fil: Alfaro, Emma. Universidad Nacional de Jujuy. Instituto de Biología de la Altura; Argentina

Country
Argentina
Keywords

Anencephaly, spatial, https://purl.org/becyt/ford/3.3, Argentina, https://purl.org/becyt/ford/3, mortality

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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