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. 2020 Dec 16;37(6):1118-1122.
doi: 10.20960/nh.03219.

[Nutritional composition of donor human milk according to lactation period]

[Article in Spanish]
Affiliations

[Nutritional composition of donor human milk according to lactation period]

[Article in Spanish]
Marta Suárez Rodríguez et al. Nutr Hosp. .

Abstract

Introduction: when own mother´s breast milk is unavailable, donor human milk is the best option to guarantee the nutritional requirements of preterm or ill newborns. Objectives: to analyze the macronutrient composition of donor breast milk and its evolution over lactation periods. Material and methods: we retrospectively analyzed the nutritional composition of 822.423 L of donor breast milk from 160 donors at the human milk bank of a third-level hospital between February 1, 2017 and December 31, 2019. Results: lipid and carbohydrate composition remains constant throughout lactation. However, protein content decreases initially to increase again starting in the second year of lactation. Conclusions: donor human milk banks should be aware of the variations in macronutrient composition donor human milk shows in order to optimize nutrition for preterm newborns.

Introducción: cuando no se dispone de leche materna propia, la leche materna donada es la mejor alternativa para asegurar los requerimientos nutricionales de los recién nacidos prematuros o enfermos. Objetivos: conocer el contenido de macronutrientes de la leche materna donada y cómo varían estos en los distintos periodos de la lactancia. Material y métodos: se analizó de forma retrospectiva la composición nutricional de 822,423 litros de leche materna donada, procedentes de 160 donantes del banco de leche materna de un hospital de tercer nivel entre el 1 de febrero de 2017 y el 31 de diciembre de 2019. Resultados: el contenido en lípidos y carbohidratos se mantiene constante a lo largo de la lactancia; sin embargo, el contenido proteico disminuye inicialmente para luego volver a aumentar a partir del segundo año de lactancia. Conclusiones: los bancos de leche materna deben conocer las variaciones del contenido en macronutrientes de la leche donada para optimizar la nutrición del recién nacido prematuro.

Keywords: Leche materna. Leche materna donada. Proteínas. Lípidos. Carbohidratos..

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