Diferencias epidemiológicas podrían explicar la mayor mortalidad infantil de Chile comparada con Cuba
Anales de Pediatría(2021)
Abstract
Introduction: Cuba has the lowest infant mortality rate in Latin America, while Chile has an infant mortality rate above the average of Organization for Economic Cooperation and Development (OECD) countries.Objective: To compare the epidemiology of infant mortality between Chile and Cuba in order to find characteristics that may explain the differences found.Method: Comparative analysis between Chile and Cuba of infant mortality rate, causes of mortality, live birth weight, and maternal age, in 2015.Results: Cuba had a lower infant, neonatal, early and late mortality than Chile, with no differences in post-neonatal mortality. Chile had a higher infant mortality due to, alterations of the nervous system, urinary system, chromosomal alterations, respiratory distress syndrome, and disorders related to the short duration of gestation. Chile had a higher frequency of mothers >= 35 years old and live births weighing < 2,500 g. The possible effects of health inequities could not be analyzed due to lack of data.Conclusions: It is possible to attribute the lower infant mortality rate in Cuba to: selective abortion due to congenital malformations and chromosomal anomalies, lower epidemiological risk of the Cuban pregnant population, and lower frequency of live births with low birth weight. (C) 2020 Asociacion Espanola de Pediatria. Published by Elsevier Espana, S.L.U.
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Key words
Mortalidad infantil,Malformaciones congénitas,Anomalías cromosómicas,Bajo peso al nacer,Cuba,Chile
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