Feeding the Smallest Patients: What’s Changed—and What Hasn’t?
Despite major advances in neonatal intensive care, one critical question remains unsettled: are we feeding preterm infants based on the best available evidence—or on outdated habits?
Recent clinical trials have reshaped our understanding of enteral nutrition in neonates. Yet, a persistent gap remains between what evidence supports and what is routinely practiced across NICUs.
Here’s what the latest data tell us:
1. Faster feeding is safe—and beneficial.
Early initiation and more rapid advancement of enteral feeds (within the first 96 hours, advancing at 30–40 mL/kg/day) consistently reduce time to full feeds and lower the risk of sepsis—without increasing necrotizing enterocolitis (NEC).
2. Donor milk matters—but has limits.
When maternal milk is insufficient, donor human milk significantly reduces the incidence of NEC compared to formula. However, current data do not show a clear advantage in long-term neurodevelopment.
3. Fortification remains an open debate.
Contrary to expectations, multiple trials have not demonstrated clear superiority of human milk-based fortifiers over bovine-based fortifiers. The optimal strategy for fortification is still evolving.
4. Rethinking routine practices.
Abandoning routine gastric residual checks appears to accelerate feeding progression without increasing complications. While widely practiced, this approach is now being actively reconsidered.
5. Expanding feeding in high-risk populations.
Emerging evidence supports cautious enteral feeding in clinical scenarios previously approached conservatively:
- During therapeutic hypothermia for hypoxic-ischemic encephalopathy, low-volume feeding is safe and shortens hospital stay.
- In hemodynamically stable infants with congenital heart disease, minimal human milk feeding can be initiated safely pre- and post-operatively within the first week.
The bigger issue isn’t lack of evidence—it’s implementation.
Two preterm infants with similar clinical profiles can still receive markedly different nutritional care depending on where they are born. That variability is no longer justified by uncertainty—it reflects inconsistency in adopting evidence-based practices.
Where do we go from here?
The next phase of neonatal nutrition research must focus on:
- Precision nutrition tailored to individual needs
- Optimizing fortification strategies
- Understanding long-term growth and neurodevelopmental outcomes
Bottom line:
We are no longer limited by evidence—we are limited by how consistently we apply it.
Bridging this gap is not just an opportunity. It’s a responsibility.
Read the full-text article here:
Romero-Lopez M, Salas AA. Enteral nutrition in neonates: current evidence from clinical trials and evolving strategies. Semin Perinatol. 2026 Apr 17