Testing the reported long-term advantages of protein-fortified human milk in very low birth weight neonates

Augusto Biasini1, Erica Neri2, Marcello Stella3

  • 1Donor Human Milk Bank Italian Association (AIBLUD), Milan, Italy.

PubMed

Insights

Neonatal protein fortification in very low birth weight preterm infants showed no long-term benefits or harm at school age. While initial growth may improve, psychological outcomes revealed no significant differences, with higher externalizing symptoms reported in the supplemented group.

Area of Science:

  • Neonatal nutrition
  • Pediatric development
  • Long-term health outcomes

Background:

  • Preterm infants face growth challenges and developmental risks.
  • Human milk fortification with protein and energy is used to improve early growth.
  • Long-term effects of neonatal protein supplementation are not well-established.

Purpose of the Study:

  • To determine if enhanced neonatal protein intake benefits preterm infants up to school age.
  • To assess long-term anthropometric, renal, and psychological outcomes.
  • To evaluate the persistence of early growth benefits.

Main Methods:

  • Observational study comparing protein supplemented group (PSG) and control group (CG).
  • 22 very low birth weight preterm infants received fortified human milk.
  • 11 preterm infants received standard nutrition.
  • Assessed anthropometrics, renal function, and Child Behavior Checklist at 9-11 years.

Main Results:

  • No significant differences in weight, height, or BMI between PSG and CG at school age.
  • No significant differences in internalizing psychological symptoms.
  • Mothers reported significantly higher externalizing symptoms in the PSG infants.

Conclusions:

  • Neonatal enteral protein supplementation in very low birth weight preterm infants has no significant long-term positive or adverse effects on growth or internalizing behaviors.
  • Observed benefits of protein supplementation appear restricted to the neonatal period and early childhood.
  • Higher externalizing symptoms in the supplemented group warrant further investigation.

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