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[Breast feeding of infants with phenylketonuria]

F Hinrichs1, B Biggemann, U Wendel

  • 1Kinderklinik, Heinrich-Heine-Universität, Düsseldort.

Klinische Padiatrie
|May 1, 1994
PubMed

Insights

Breastfeeding is safe for infants with phenylketonuria (PKU). This study found no significant differences in weight gain or phenylalanine levels between breastfed infants and those receiving formula, supporting continued breastfeeding for PKU management.

Area of Science:

  • Pediatrics
  • Metabolic Disorders
  • Human Nutrition

Background:

  • Phenylketonuria (PKU) is a genetic disorder requiring careful dietary management of phenylalanine intake.
  • Breast milk is a natural source of phenylalanine, posing challenges for PKU infant feeding.
  • Infant formula provides a controlled phenylalanine source, but breastfeeding offers numerous benefits.

Purpose of the Study:

  • To compare the outcomes of breastfeeding versus infant formula feeding in infants with phenylketonuria.
  • To assess the impact of different phenylalanine sources on infant growth and metabolic control in PKU.

Main Methods:

  • A comparative study involving two groups of five infants diagnosed with phenylketonuria.
  • Group 1 received breast milk as the primary phenylalanine source.
  • Group 2 received standard infant formula as the primary phenylalanine source.

Main Results:

  • No statistically significant differences were observed in weight gain between the two groups.
  • Daily phenylalanine intake and mean plasma phenylalanine concentrations were comparable across both groups.
  • Breastfeeding did not negatively impact metabolic control or growth in infants with PKU.

Conclusions:

  • Breastfeeding can be safely continued for infants diagnosed with phenylketonuria.
  • Dietary management of PKU can accommodate phenylalanine from breast milk, despite variable intake.
  • This finding supports breastfeeding as a viable option for managing phenylketonuria in infants.

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