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Interpretation of Serum Retinol Data From Latin America and the Caribbean

Authordc.contributor.authorCediel, Gustavo 
Authordc.contributor.authorOlivares Grohnert, Manuel 
Authordc.contributor.authorBrito, Alex 
Authordc.contributor.authorLópez de Romaña, Daniel 
Authordc.contributor.authorCori, Héctor 
Authordc.contributor.authorLa Frano, Michael R. 
Cita de ítemdc.identifier.citationFood and Nutrition Bulletin 2015, Vol. 36 (Supplement 2) S98-S108en_US
Identifierdc.identifier.otherDOI: 10.1177/0379572115585743
General notedc.descriptionArtículo de publicación ISIen_US
Abstractdc.description.abstractBackground: In recent decades, the general socioeconomic situation in Latin America and the Caribbean countries has improved, and many vitamin A programs have been implemented in an attempt to reduce vitamin A deficiency in the region. Objective: To examine vitamin A status in Latin America and the Caribbean based on serum retinol concentrations and to contrast available data published before and after 1998. Methods: A systematic review was performed. National surveys or representative studies that reported vitamin A status were selected. Results: Ten national surveys and six representative studies were identified. Data for children under 6 years of age indicate that Guatemala and Nicaragua have practically eradicated vitamin A deficiency (less than 2% prevalence of serum retinol < 20 mu g/dL). In Costa Rica, Cuba, El Salvador, and Panama, the prevalence of vitamin A deficiency ranged from 2.8% to 9.4%. In Peru, Honduras, Argentina, Ecuador, and Brazil, vitamin A deficiency is a moderate public health problem (prevalence from 14.0% to 17.4%), while in Colombia, Mexico, and Haiti it is a severe public health problem (prevalence from 24.3% to 32.0%). Disadvantaged groups (indigenous people and those of Afro-Colombian descent) have the highest rates of deficiency. The prevalence of vitamin A deficiency is under 20% in schoolchildren and adult women. When data published before and after 1998 for children under 6 years of age were compared, most Central American countries had a reduction in the prevalence of vitamin A deficiency (p < .05), whereas in South American countries, the prevalence of vitamin A deficiency increased over time (p < .05). Conclusions: The prevalence of vitamin A deficiency in children under 6 years of age has decreased in many Central American countries, but vitamin A deficiency still remains a public health problem in numerous Latin America and Caribbean countries, especially among disadvantaged and vulnerable groups. Because of issues with the accuracy of the serum retinol biomarker reflecting body stores, these results must be interpreted with caution.en_US
Type of licensedc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
Link to Licensedc.rights.uri*
Keywordsdc.subjectVitamin Aen_US
Keywordsdc.subjectLatin Americaen_US
Títulodc.titleInterpretation of Serum Retinol Data From Latin America and the Caribbeanen_US
Document typedc.typeArtículo de revistaen_US

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Atribución-NoComercial-SinDerivadas 3.0 Chile
Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 Chile