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Effect of Hyaluronic Acid 35 kDa on an In Vitro Model of Preterm Small Intestinal Injury and Healing Using Enteroid-Derived Monolayers
Published on: July 28, 2022
Early aggressive nutrition in very preterm infants
1Department of Pediatrics, University of Colorado Health Sciences Center, Denver, CO 8022, USA. patti.thureen@uchsc.edu
Insights
Optimizing nutrition for extremely low birth weight infants is crucial for preventing growth failure and supporting neurological development. Research is needed to establish safe feeding strategies and understand nutritional needs in vulnerable preterm neonates.
Area of Science:
- Neonatal nutrition
- Perinatal medicine
- Pediatric intensive care
Background:
- Increasing survival of preterm infants at lower birth weights presents new challenges in extrauterine nutritional support.
- Extremely low birth weight infants have limited endogenous energy reserves, requiring timely exogenous nutritional supply.
- Current feeding practices may contribute to postnatal growth failure in very preterm neonates.
Purpose of the Study:
- To highlight the critical need for optimizing nutritional support in extremely low birth weight infants.
- To emphasize the importance of achieving in utero growth rates postnatally.
- To identify key research areas for improving nutritional strategies in vulnerable preterm neonates.
Main Methods:
- This abstract is a review and synthesis of current knowledge and challenges in preterm infant nutrition.
- It identifies critical areas requiring further scientific investigation and evidence-based strategies.
- No specific experimental methods are detailed; it focuses on research needs.
Main Results:
- Current nutritional support strategies may lead to significant postnatal growth failure in very preterm infants.
- Hesitancy in early substrate introduction due to intolerance and toxicity concerns persists.
- There is a clear need for scientifically based feeding strategies to optimize growth and neurological outcomes.
Conclusions:
- Optimizing nutritional support is essential to prevent adverse growth and neurological outcomes in extremely low birth weight infants.
- Further research is required to determine safe and effective nutritional intake limits and feeding strategies.
- Understanding the impact of illness and stress on neonatal metabolism is crucial for tailored nutritional support.
Abstract:
Despite numerous advances in the nutrition of preterm infants, the increasing survival at lower birth weights is resulting in a new frontier of extrauterine nutritional support of these vulnerable infants. The extremely low birth weight infant has endogenous energy to maintain energy balance for only 3-4 days without an exogenous energy supply. Nevertheless, many clinicians are still hesitant to introduce substrates at high rates early in life secondary to concerns of intolerance and toxicity. Current feeding practices appear to be resulting in significant postnatal growth failure in very preterm neonates. Optimizing nutritional support in these infants is critical to avoiding adverse growth and neurological outcomes. There is a need for scientifically based feeding strategies to achieve normal in utero growth rates postnatally. Important areas for research include determination of safe and efficacious upper limits of energy and amino acid intake, identification of markers for protein toxicity, better characterization of the effect of various neonatal illnesses and the neonatal stress response on nutritional metabolism, development of enteral feeding strategies that will allow for more rapid enteral feeding advance while reducing the risk of necrotizing enterocolitis, and understanding the benefits and risks of both over- and undernutrition in the extremely low birth weight infant.
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