- Research Article
- 10.1542/pedsos.2025-000632
An Enhanced Nutrition Bundle for Preterm Infants in Burundi: A Retrospective Observational Study
- Jan 01, 2026
- Pediatrics Open Science
- Jennifer Harling + 3 more +3
OBJECTIVE We aimed to compare a bundle of enhanced feeding strategies, including breastmilk fortification with term and preterm infant formula, rapid feed advancement, and moderate feeding volumes, to a historic control receiving unfortified, slowly advanced, high-volume feeds. METHODS The retrospective observational analysis was conducted in a Burundian rural hospital. We included neonates weighing 1000 to 1700 g at birth, admitted within the first 24 hours of life, and excluded infants who died or were discharged within 7 days of birth. An unfortified, slow feed advance control group receiving expressed breast milk advanced 20 mL/kg/day to a goal of 270 mL/kg/day was compared with 2 fortified, rapid feed advancement intervention groups receiving expressed breast milk fortified with powdered term or preterm infant formula, typically to 26 kcal/oz, advanced 30 mL/kg/day to a goal of 160 mL/kg/day. RESULTS Neonates receiving the feeding bundle significantly reduced the time to regain birth weight (median [IQR]: (13 [9, 20] days) compared with controls (18 [11, 24] days). The preterm formula intervention group experienced 2.8 g/day higher average daily weight gain during the first 3 weeks of life (95% CI, 0.17–5.56 g/day) compared with the unfortified control group. No significant differences were observed between the intervention and control groups in feeding intolerance, necrotizing enterocolitis, or mortality. CONCLUSION Fortifying breast milk with preterm infant formula combined with rapid feed advancement may be a feasible, effective strategy to improve early weight gain in preterm neonates. This is relevant in low-income settings where nutrition support products are not readily available.
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