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Acta Paediatr. 2016 Feb;105(2):e67-76. doi: 10.1111/apa.13234. Epub 2015 Nov 17.

Micronutrient status and neurodevelopment in internationally adopted children.

Author information

1
Department of Psychology, University of North Florida, Jacksonville, FL, USA.
2
Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA.

Abstract

AIM:

To assess the status of nutrients relevant for brain development in internationally adoptees from disparate global regions and determine whether identified deficiencies are associated with neurodevelopment.

METHODS:

Participants included children adopted from Post-Soviet States (n = 15), Ethiopia (n = 26) or China (n = 17), ages 8-18 months. A comprehensive nutritional battery and a neurodevelopmental assessment were completed at baseline (within one month of arrival) and follow-up (six months later).

RESULTS:

At baseline, 35% were stunted, and 68% had at least one abnormal nutritional biochemical marker. The most common were low retinol-binding protein (33%), zinc deficiency (29%), vitamin D insufficiency/deficiency (21%), and iron deficiency (15%). There was significant catch-up growth in height and weight at follow-up, but little improvement in micronutrient deficiencies. Iron deficiency was associated with lower cognitive scores on the Bayley Scales of Infant Development-III, p = 0.027, and slower speed of processing, p = 0.012. Zinc deficiency was associated with compromised memory functioning, p = 0.001.

CONCLUSION:

Nutrient deficiencies were common during the early adoption period in internationally adoptees from three global regions, and iron and zinc deficiencies were associated with poorer neurodevelopmental outcomes. Results emphasise the importance of monitoring micronutrient status at arrival and during the early adoption period, irrespective of country of origin.

KEYWORDS:

Early adversity; Growth; International adoption; Micronutrient deficiencies; Nutrition

PMID:
26439893
DOI:
10.1111/apa.13234
[Indexed for MEDLINE]

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