Protein quantity and quality in term and preterm infants

Effects on urine creatinine and expression of amino acid excretion data

D. K. Rassin, G. E. Gaull, N. C R Raiha, K. Heinonen, A. L. Jarvenpaa

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The effect of dietary protein quantity and quality on the excretion of creatinine in preterm and term neonatal infants has been investigated. Whey protein predominant formulas result in increased creatinine excretion as compared with either casein protein predominant formulas or with pooled human milk in preterm infants (p < 0.01 by ANOVA). The volume of human milk (170 versus 185 versus 200 ml/kg/day) appears to have little effect in these infants. In term infants, few differences among the feeding groups were observed, although creatinine excretion did increase with time. The pattern of creatinine excretion among feeding groups was similar regardless of whether or not the data were expressed in milligrams per deciliter or in milligrams per 24 hours. Small correlations of creatinine excretion with birth weight were observed, but these appeared to vary, depending on the type of feeding. These diet-induced differences in creatinine excretion indicate the need for caution in expressing other urinary metabolites, such as amino acids, relative to creatinine excretion.

Original languageEnglish (US)
Pages (from-to)103-110
Number of pages8
JournalJournal of Pediatric Gastroenterology and Nutrition
Volume5
Issue number1
StatePublished - 1986

Fingerprint

Premature Infants
creatinine
Creatinine
urine
excretion
Urine
Amino Acids
amino acids
Proteins
proteins
Human Milk
breast milk
Dietary Proteins
Caseins
whey protein
Birth Weight
birth weight
dietary protein
casein
Analysis of Variance

ASJC Scopus subject areas

  • Gastroenterology
  • Histology
  • Medicine (miscellaneous)
  • Food Science
  • Pediatrics, Perinatology, and Child Health

Cite this

Protein quantity and quality in term and preterm infants : Effects on urine creatinine and expression of amino acid excretion data. / Rassin, D. K.; Gaull, G. E.; Raiha, N. C R; Heinonen, K.; Jarvenpaa, A. L.

In: Journal of Pediatric Gastroenterology and Nutrition, Vol. 5, No. 1, 1986, p. 103-110.

Research output: Contribution to journalArticle

Rassin, D. K. ; Gaull, G. E. ; Raiha, N. C R ; Heinonen, K. ; Jarvenpaa, A. L. / Protein quantity and quality in term and preterm infants : Effects on urine creatinine and expression of amino acid excretion data. In: Journal of Pediatric Gastroenterology and Nutrition. 1986 ; Vol. 5, No. 1. pp. 103-110.
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