Results: 96

Vitamin A deficiency and association between serum retinol and IGF-1 concentrations in Brazilian children with Down syndrome

J. pediatr. (Rio J.); 98 (1), 2022
Abstract Objective: To determine the prevalence of vitamin A deficiency (VAD) and serum concentrations of retinol, correlating them with IGF-1 concentrations in preschoolers with DS. Methods: Cross-sectional study was conducted on 47 children with DS aged 24 to 72 months, in Ribeirão Preto, Brazil. VA...

Vitamin A deficiency regulates the expression of ferritin in young male Wistar rats

Rev. Nutr. (Online); 34 (), 2021
ABSTRACT Objective Iron deficiency and vitamin A deficiency are two of the main micronutrient deficiencies. Both micronutrients are essential for human life and children's development. This study aimed to investigate the effects of vitamin A deficiency on ferritin and transferrin receptors' expression a...

Vitamin A deficiency in Brazilian Children younger than 5 years old: a systematic review

Abstract Objectives: to examine the nutritional status of vitamin A in Brazilian children under 5 years old, delimiting their deficiency and associated factors. Methods: this is a systematic review of articles published between 2008 and 2018, using the SciELO, Bireme, and PubMed electronic databases. A...

Coverage and educational actions related to the national vitamin A supplementation program: a study in children from the state of Alagoas

J. pediatr. (Rio J.); 96 (2), 2020
Abstract Objectives: To estimate the coverage of the National Vitamin A Supplementation Program (Programa Nacional de Suplementação de Vitamina A) in children from Alagoas, to identify factors associated with this coverage, and to analyze the adequacy of nutrition education actions. Methods: Househol...

Percepção das beneficiárias sobre o Programa Brasileiro de Prevenção e Controle da Deficiência de Vitamina A

Rev. APS; 22 (2), 2019
Objetivo: compreender a percepção das beneficiárias sobre o Programa Nacional de Suplementação de Vitamina A no município de Campina Grande, no estado da Paraíba, no Brasil. Métodos: estudo qualitativo com amostra de 25 sujeitos definida pelo processo de saturação teórica. A coleta ocorreu por...

Efect of vitamin A suplementation: a systematic review

Abstract To evaluate the effect of vitamin A supplementation in postpartum infants and women on serum retinol levels and breast milk. The databases Medline, PubMed, Lilacs and SciELO were consulted. The descriptors used were vitamin A, dietary supplement, child, postpartum period, infant and nutrition pr...

Deficiencia de vitamina A y factores asociados en niños preescolares de la periferia de la ciudad de La Plata, Buenos Aires

Arch. argent. pediatr; 117 (1), 2019
Introducción. La deficiencia de vitamina A (DVA) ha sido reconocida como un importante problema de salud pública en países en vías de desarrollo. Los niños en edad preescolar son grupos de riesgo en poblaciones vulnerables. El objetivo fue determinar la prevalencia de DVA y los factores asociados en...

Pseudotumor cerebral asociado a hipovitaminosis A, B6 y D: A propósito de dos casos

Arch. argent. pediatr; 116 (3), 2018
La hipertensión endocraneana idiopàtica se asocia infrecuentemente con la hipovitaminosis A y D. Se presenta el caso de una paciente femenina de 8 años con visión borrosa de 24 horas y papiledema bilateral. Resonancia magnética nuclear normal. Presión de apertura de líquido cefalorraquídeo: 260 m...