Papers by Silvana Visentin
Introducción: La leche materna es el alimento ideal para el lactante. La distribución porcentual ... more Introducción: La leche materna es el alimento ideal para el lactante. La distribución porcentual de los lípidos en la leche humana depende de la dieta. Los ácidos grasos poliinsaturados son sustratos importantes en la neurogénesis del lactante. Objetivo: Relacionar el perfil de ácidos grasos (AG) en membrana del glóbulo rojo (MGR) y leche de madres en período de lactancia (MPL), con el perfil de AG de membrana del glóbulo rojo de lactantes con lactancia materna exclusiva. Evaluar el consumo de grasas de las madres. Material y Métodos: Estudio observacional, analítico de corte transversal. Se analizaron muestras de leche y sangre de madres adultas; y sangre de sus lactantes, obtenidas a los 90 días pos-parto, durante el período 2016-19. Se determinó el porcentaje de AG por Cromatografía Gaseosa. Se realizó una encuesta de frecuencia de consumo de alimentosb precursores y fuente de ácidos grasos. Resultados: Se estudiaron 45 MGR mamá-bebé y 45 leches donadas por las mismas madres, que...
LOS ACIDOS GRASOS PRESENTES EN LA LECHE MATERNA (LM) SON ESENCIALES PARA EL NEURODESARROLLO Y SU ... more LOS ACIDOS GRASOS PRESENTES EN LA LECHE MATERNA (LM) SON ESENCIALES PARA EL NEURODESARROLLO Y SU INCORPORACION A FORMULAS INFANTILES HA SIDO TEMA DE PREOCUPACION
LA LACTANCIA MATERNA ES CONSIDERADA LA ALIMENTACION EDIAL, APORTA LOS NUTRIENTES NECESARIOS PARA ... more LA LACTANCIA MATERNA ES CONSIDERADA LA ALIMENTACION EDIAL, APORTA LOS NUTRIENTES NECESARIOS PARA UN CRECIEMIENTO Y DESARROLLO SALUDABLES. LAS MADRES EN PERIDODO DE LACTANCIA CONSTITUYE UN GRUPO DE RIESGO PARA LA DEFICIENCIA DE VITAMINA A, ESPECIALMENTE EN PAISES EN VIAS DE DESARROLLO.
Archivos Argentinos de Pediatria, 2016
Early human development, Sep 4, 2016
There is growing interest in the fatty acid composition of breast milk and substitute formulas us... more There is growing interest in the fatty acid composition of breast milk and substitute formulas used to replace or complement infant breastfeeding. The aims of this study were to assess the impact of two follow-up infant formulas based on cow milk fat, vegetable oils and different docosahexaenoic (DHA) and arachidonic (ARA) acid content on red blood cell membrane fatty acid composition, and determine the percent saturated fatty acid (SFA) incorporation into the membrane. This was a double-blind, randomized, controlled, parallel-group clinical trial. Infants received treatment or control product for at least four months before the age of six months. The control group (n=25) received standard infant formula (FA) and the treatment group (n=24) received the same formula supplemented with higher DHA and ARA content (FB). The reference group (n=47) consisted of normal healthy exclusively breastfed infants. Red blood cell membrane fatty acid composition was determined by capillary gas chrom...
Revista argentina de salud publica, 2020
INTRODUCCIÓN: las mujeres en período de lactancia y los lactantes son grupos vulnerables a la def... more INTRODUCCIÓN: las mujeres en período de lactancia y los lactantes son grupos vulnerables a la deficiencia de vitamina A (DVA). El objetivo del estudio fue determinar la relación entre el estado nutricional de vitamina A en la madre y el lactante alimentado con lactancia materna exclusiva. MÉTODOS: se realizó un estudio observacional analítico de corte transversal en lactantes de 6 meses y sus madres. Se determinó vitamina A en suero y leche por cromatografía líquida. Se calcularon concentraciones medias de vitamina A y prevalencias de DVA en suero y leche, y se compararon mediante tests estadísticos. RESULTADOS: se estudiaron 63 binomios madre-hijo. Las medias de retinol en suero materno y del lactante fueron 1,84±0,48 µmol/L y 1,09±0,25 µmol/L, respectivamente. No hubo madres con DVA, y el 5% de los lactantes estaban deficientes. La mediana de retinol en leche materna fue 15,57 µg/g grasa (11,37; 23,98), y el 12% de las leches eran deficientes. Se encontró diferencia estadísticamen...
Archivos Argentinos de Pediatria, 2016
Archivos argentinos de pediatria, 2018
To determine vitamin A content in breast milk and evaluate whether it satisfies the recommendatio... more To determine vitamin A content in breast milk and evaluate whether it satisfies the recommendations for infants. Observational, prospective, cross sectional study. Milk samples were obtained between 30 and 90 days postpartum from mothers seen in public hospitals, and analyzed. Vitamin A concentration was determined by chromatography and its adequacy to the recommended dietary intake. The correlation between outcome measures was analyzed using Spearman's correlation coefficient. A total of 79 mothers participated. Vitamin A concentration in milk samples was 1.80 umol/L (1.36-2.30) and the mean breastfeeding time was 57 days. No significant correlation between breastfeeding days and vitamin A content was observed. In 50% of the samples, vitamin A content did not satisfy the recommendations for infants. Vitamin A content was not enough to satisfy the recommendations in half of the cases.
Journal of Pediatric Gastroenterology and Nutrition
Archivos argentinos de pediatria, 2016
Micronutrients make up the central nervous system structure and play major functional roles: they... more Micronutrients make up the central nervous system structure and play major functional roles: they stimulate nerve cell development, migration, and differentiation. The goal of this study is to review the scientific literature regarding the role of micronutrients in infant brain structure and function. Thus, we aim at providing pediatricians with knowledge on the importance of introducing all nutrients into the diet based on breast milk composition. The following databases were reviewed: MEDLINE, through PubMed, TRIP Database, and LILACS. An adequate nutrient supply, including calcium, copper, choline, iron, folic acid, iodine, and vitamins during pregnancy and lactation and in complementary feeding will have an effect on brain development and/or function.
Archivos argentinos de pediatria, 2016
Nutrients, lipids in particular, make up the central nervous system structure and play major func... more Nutrients, lipids in particular, make up the central nervous system structure and play major functional roles: they stimulate development, migration, and nerve cell differentiation. They are part of gray matter, white matter, nerve nuclei, and synaptogenesis. Breast milk contains lipids which are crucial for infant brain development. The lipid profile of breast milk was used as a guideline for the development of breast milk substitutes. However, to date, no substitute has matched it. Complementary feeding should include docosahexaenoic acid, arachidonic acid, other polyunsaturated fatty acids, saturated fatty acids, and complex lipids found in milk fat. The lipid composition of breast milk depends on maternal intake and nutritional status during pregnancy and breast-feeding. It has a great impact on development. Our goal is to review scientific literature regarding the role of lipids on infant brain development and the importance of breast milk lipid composition, maternal diet, and ...
Early human development, Jan 4, 2016
There is growing interest in the fatty acid composition of breast milk and substitute formulas us... more There is growing interest in the fatty acid composition of breast milk and substitute formulas used to replace or complement infant breastfeeding. The aims of this study were to assess the impact of two follow-up infant formulas based on cow milk fat, vegetable oils and different docosahexaenoic (DHA) and arachidonic (ARA) acid content on red blood cell membrane fatty acid composition, and determine the percent saturated fatty acid (SFA) incorporation into the membrane. This was a double-blind, randomized, controlled, parallel-group clinical trial. Infants received treatment or control product for at least four months before the age of six months. The control group (n=25) received standard infant formula (FA) and the treatment group (n=24) received the same formula supplemented with higher DHA and ARA content (FB). The reference group (n=47) consisted of normal healthy exclusively breastfed infants. Red blood cell membrane fatty acid composition was determined by capillary gas chrom...
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Papers by Silvana Visentin