Volga German surnames and Alzheimer's disease in Argentina: an epidemiological perspective.

The N141I variant (PSEN1 gene) is associated with familial forms of early-onset Alzheimer's disease (AD) in descendants of Volga Germans, whose migration to Argentina is well documented. As a proxy for geographic origin, surnames can be a valuable tool in population studies. The 2015 Argentine Electoral Registry provided geographic data for 30,530,194 individuals, including 326,922 with Volga German surnames.

[Anencephaly related infant mortality in Argentina: spatial and temporal analysis (1998-2007)].

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.

[Analysis of infant mortality from congenital malformations in Argentina during the 2002-2006 period].

Objective: To analyze the trend and spatial distribution of infant mortality from congenital malformations in Argentina between 2002 and 2006.

Materials And Methods: Data were provided by the Ministry of Public Health. Congenital malformations were classified according to the International Classification of Diseases, 10th revision.