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Growth and nutrition after discharge
1MRC Childhood Nutrition Research Centre, Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK. m.fewtrell@ich.ucl.ac.uk
Insights
Nutrient-enriched diets after hospital discharge improve growth in preterm infants, especially boys. Further research is needed on long-term effects and breastfed infants.
Area of Science:
- Neonatal nutrition
- Pediatric growth and development
Background:
- Preterm infants often experience growth deficits post-discharge.
- Post-discharge nutrition strategies are under-researched.
- Current feeding practices may not optimize long-term outcomes.
Purpose of the Study:
- To evaluate the impact of post-discharge nutrition on preterm infant growth.
- To compare nutrient-enriched formulas with standard term formulas.
- To investigate the effects of breastfeeding versus formula feeding post-discharge.
Main Methods:
- Review of randomized controlled trials on post-discharge feeding interventions.
- Comparison of growth parameters (weight, length, bone mass) between different feeding groups.
- Analysis of long-term growth trajectories and health outcomes.
Main Results:
- Nutrient-enriched diets (preterm or post-discharge formulas) promote significant growth benefits compared to term formula.
- Growth advantages were more pronounced in boys and persisted beyond the intervention.
- Breastfed preterm infants showed slower weight and length gain and lower bone mass than formula-fed infants.
Conclusions:
- The post-discharge period is critical for influencing preterm infant growth trajectories.
- Nutritional supplementation with enriched formulas can enhance growth outcomes.
- Further research is essential to understand long-term effects and optimize nutrition for breastfed preterm infants and during the introduction of solids.
Abstract:
Preterm infants are frequently discharged from hospital growth retarded and show reduced growth during childhood. However, nutrition during the post-discharge period has been neglected. Randomized trials show growth benefits, particularly in boys, when nutrient-enriched diets (preterm formula or post-discharge formula) rather than term formula are fed after discharge, with effects persisting beyond the intervention period. These findings suggest that post-discharge period may be a critical time for influencing the growth trajectory, but further research is required to investigate longer-term effects on growth, health and development. Preterm infants who are breast-fed after discharge show slower weight and length gain and lower bone mass than formula-fed infants. Further studies should establish whether differences persist or have long-term consequences, and clarify whether such infants would benefit from post-discharge nutritional supplementation. The introduction of solids may have a significant effect on growth and nutritional status, but insufficient data are currently available for evidence-based guidelines.
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