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Amino Acid Intake in Preterm Infants

Ilaria Burattini, Maria Paola Bellagamba, Rita D''Ascenzo

    Nestle Nutrition Institute Workshop Series
    |June 24, 2016
    PubMed

    Insights

    Early amino acid administration is crucial for extremely low-birth-weight infants receiving parenteral nutrition. Doses of 2.5 g/kg/day improve nitrogen balance, but higher intakes require further study.

    Area of Science:

    • Neonatalogy
    • Pediatric Nutrition
    • Intensive Care Medicine

    Background:

    • Extremely low-birth-weight infants often require parenteral nutrition.
    • Amino acids are essential components for promoting growth and development.
    • Postnatal growth restriction is linked to neurodevelopmental delays.

    Purpose of the Study:

    • To evaluate the benefits of early amino acid administration in extremely low-birth-weight infants.
    • To determine optimal amino acid dosages for parenteral nutrition.
    • To investigate the impact of amino acid intake on nitrogen balance and growth.

    Main Methods:

    • Review of existing literature on parenteral nutrition in extremely low-birth-weight infants.
    • Analysis of studies investigating different amino acid dosages.
    • Assessment of nitrogen balance and growth outcomes.

    Main Results:

    • Early amino acid administration shows significant benefits for nitrogen balance.
    • A dosage of 2.5 g/kg/day of amino acids is superior to lower intakes.
    • Evidence for benefits of amino acid intakes above 2.5 g/kg/day is inconclusive.

    Conclusions:

    • Early initiation of amino acid therapy is recommended for extremely low-birth-weight infants.
    • 2.5 g/kg/day is an effective amino acid dose, but higher doses need more research.
    • Further studies are needed to understand long-term outcomes of various amino acid intakes.

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