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Variation in Enteral Feeding Practices and Growth Outcomes among Very Premature Infants: A Report from the New York State Perinatal Quality Collaborative.

BACKGROUND
Extrauterine growth restriction (EUGR) is inversely related to neurodevelopmental outcome. We analyzed growth outcomes and enteral nutrition practices among preterm infants at New York State (NYS) regional perinatal centers (RPCs) to identify practices associated with risk of EUGR.


METHODS
Surviving infants < 31 weeks' gestation admitted to a NYS RPC during 2010 were identified and data collected on their growth and enteral nutrition from a statewide database. Neonatologists at NYS RPCs were surveyed to identify center-specific nutritional practices. Survey responses, nutrition, and growth data were then analyzed to identify factors associated with risk of EUGR.


RESULTS
Of the 1,387 infants, 32.6% were discharged with EUGR. Incidence of EUGR varied more than fivefold among RPCs. Nutritional practices directly related to EUGR included age at first enteral feeding and full enteral feedings. Among the surveyed nutrition practices, longer duration of trophic feeding before advancing was associated with an increased risk of EUGR while later discontinuation of total parenteral nutrition and larger trophic feeding volume were associated with lower risk.


CONCLUSION
Our study found marked variation in nutrition practices and incidence of EUGR among preterm infants at NYS RPCs. A statewide quality improvement initiative to reduce practice variation and improve growth in preterm infants is underway.