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Feeding preterm infants today for later metabolic and cardiovascular outcomes
Alexandre Lapillonne1, Ian J Griffin
1Department of Neonatology, Assistance Publique Hôpitaux de Paris Necker Hospital, Paris Descartes University, Paris, France. alexandre.lapillonne@nck.aphp.fr
Insights
Preterm birth impacts long-term health. While early growth has limited effect on adult cardiovascular and metabolic health, childhood nutrition is crucial for well-being.
Area of Science:
- Neonatal studies
- Pediatric nutrition
- Developmental biology
Background:
- Preterm birth leads to neonatal morbidity and long-term health issues like hypertension and insulin resistance.
- The impact of growth rates and nutrition on preterm infants' long-term outcomes requires further investigation.
- Understanding these effects is crucial for improving long-term health in preterm populations.
Purpose of the Study:
- To review the effects of fetal growth, postnatal growth, and early nutrition on long-term cardiovascular and metabolic outcomes in preterm infants.
- To analyze how different growth periods and nutritional interventions influence health trajectories.
- To identify research gaps in understanding nutrition's role in preterm infant development and health.
Main Methods:
- Literature review of existing studies on preterm infant growth and nutrition.
- Analysis of evidence linking early development to later cardiovascular and metabolic health.
- Synthesis of findings regarding the impact of nutrition during hospitalization and post-discharge.
Main Results:
- Early undernutrition can adversely affect development.
- Growth between birth and 12-18 months post-term shows no significant effect on later blood pressure or metabolic syndrome.
- Reduced growth during hospitalization significantly impacts neurodevelopment, while later childhood growth is key for metabolic and cardiovascular health.
Conclusions:
- Nutritional interventions during late infancy and childhood warrant further study for improving long-term health.
- There is a lack of well-designed studies on the effects of nutrition on preterm infants' development and risk of hypertension or insulin resistance.
- Targeted nutritional support during critical growth periods may mitigate long-term health risks.
Abstract:
Preterm birth continues to contribute disproportionately to neonatal morbidity and subsequent physical and neurodevelopmental disabilities. Epidemiologic studies have described additional long-term health consequences of preterm birth such as an increased risk of hypertension and insulin resistance in adult life. It is not known whether the influence of infant and childhood growth rates and early nutrition on long-term outcomes is the same or different among preterm infants and neonates with intrauterine growth restriction. Our goal is to review the effects of fetal growth, postnatal growth, and early nutrition on long-term cardiovascular and metabolic outcomes in preterm infants. Present evidence suggests that even brief periods of relative undernutrition during a sensitive period of development have significant adverse effects on later development. Our review suggests that growth between birth and expected term and 12-18 months post-term has no significant effect on later blood pressure and metabolic syndrome, whereas reduced growth during hospitalization significantly impacts later neurodevelopment. In contrast, growth during late infancy and childhood appears to be a major determinant of later metabolic and cardiovascular well being, which suggests that nutritional interventions during this period are worthy of more study. Our review also highlights the paucity of well-designed, controlled studies in preterm infants of the effects of nutrition during hospitalization and after discharge on development, the risk of developing hypertension, or insulin resistance.
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