Abstract
Objective: Compare body composition in the first two years between undernourished Very Low Birth Weight Infants (UNVLBWI), adequately nourished (AN) VLBWI and term infants (T).
Methods: Cohort study of 95 VLBWI, < 34weeks GA, classified at 36weeks PMA as UN (36, BW z-score< -2) or AN (59, BW z-score>- 2) and 35 T. Fat Mass (FM) and BMD measured by DXA and TBW estimated using BIA at 6, 12, 18 and 24 months. FM was normalized for height to give FMI and for weight to give % FM.
Results: FM was not different between AN and T from 12 months on, while UN had lower FM than T in every time point.
FFM from TBW was significantly lower in preterm infants in all time points irrespective of nutritional status at 36 weeks PMA.
Conclusion: Undernutrition at 36 weeks PMA but not prematurity is associated with lower %FM and FMI at 12 and 24 months CA. FFM was higher in term than in preterm irrespective of nutritional status at discharge.
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De Pipaón Marcos, S., Dorronsoro, I., San José, B. et al. 398 Influence of Nutritional Status at 36 Weeks Postmenstrual Age on Body Composition of Vlbw Infants on the First Two Years. Pediatr Res 68 (Suppl 1), 205 (2010). https://doi.org/10.1203/00006450-201011001-00398
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DOI: https://doi.org/10.1203/00006450-201011001-00398