Do babies who survive necrotizing enterocolitis face higher risks for brain development problems?

Necrotizing enterocolitis (NEC) is a serious intestinal disease that mainly affects premature babies. Even after surviving NEC, many infants go on to have problems with brain development. Research shows that NEC survivors are at higher risk for delays in motor skills, thinking, vision, and hearing, as well as conditions like cerebral palsy. The more severe the NEC, the greater the risk.

What the research says

A large systematic review and meta-analysis found that preterm infants who survive NEC have a 42% higher risk of neurodevelopmental impairment compared to those without NEC (RR 1.42) ¹. Specific areas affected include motor skills (2 times higher risk), cognition (1.75 times higher), vision (over 4 times higher), and hearing (over 4 times higher) ¹. The risk of cerebral palsy is also about 2.5 times higher ¹. Another meta-analysis confirmed these findings, showing that NEC is linked to increased odds of neurodevelopmental impairment (OR 2.15) and brain injuries like severe intraventricular hemorrhage and periventricular leukomalacia ⁵. Surgical treatment for NEC may carry an even higher risk of developmental problems than medical management alone ⁵. Additionally, a study found that infants with severe NEC (grade ≥2) are over 6 times more likely to be admitted to the pediatric intensive care unit later in childhood, indicating ongoing health challenges ⁶.

What to ask your doctor

• What specific neurodevelopmental screenings should my baby have after NEC?
• How often should my baby's development be monitored in the first few years?
• Are there early intervention services (like physical or speech therapy) that could help my child?
• What signs of developmental delay should I watch for at home?
• Does the severity of my baby's NEC (medical vs. surgical) change the follow-up plan?