Energy expenditure in the extremely low-birth weight infant

Catherine A. Leitch, Scott C. Denne

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

Information about energy requirements of extremely low-birth weight infants is sparse, despite the rapidly improving survival rates of this population. Metabolizable energy intake can be estimated from energy balance studies and the percentage of caloric intake that is actually absorbed by these infants is approximately 87%. Data on energy expenditure in extremely premature infants is limited; however, energy expenditure has been shown to increase with postnatal age. Because both intake and expenditure are affected by multiple factors, there is significant variability in estimates of the energy requirements in extremely low-birth weight infants. At present, no valid recommendations can be made regarding optimal energy requirements for the extremely low-birth weight infant, except that their requirements probably exceed those of stable, growing very low-birth weight infants, currently estimated at 105 to 135 kcal·kg-1d-1.

Original languageEnglish (US)
Pages (from-to)181-195
Number of pages15
JournalClinics in Perinatology
Volume27
Issue number1
DOIs
StatePublished - Jan 1 2000

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

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