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Dietary management practices in phenylketonuria across European centres

Research output: Contribution to journalJournal articleResearchpeer-review

  1. The complete European guidelines on phenylketonuria: diagnosis and treatment

    Research output: Contribution to journalReviewResearchpeer-review

  2. Key European guidelines for the diagnosis and management of patients with phenylketonuria

    Research output: Contribution to journalJournal articleResearchpeer-review

  • Kirsten Ahring
  • Amaya Bélanger-Quintana
  • Katharina Dokoupil
  • Hulya Gokmen Ozel
  • Anna Maria Lammardo
  • Anita MacDonald
  • Kristina Motzfeldt
  • Maria Nowacka
  • Martine Robert
  • Margreet van Rijn
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BACKGROUND: Dietary phenylalanine restriction is the cornerstone of phenylketonuria (PKU) management. However, there are no European consensus guidelines for its optimal dietary care.

METHODS: Detailed information on the routine dietary management of PKU was obtained from 10 European centres using structured questionnaires. Each centre was represented by one dietitian/nutritionist or physician (European Nutritionist Expert Panel).

RESULTS: All centres screened for PKU within the first 10 days of life. PKU prevalence was highest in Turkey. The training, roles and responsibilities of dietitians and nutritionists varied widely; in some centres dietitians were responsible for managing the diet, while in others this was performed by a physician. There were marked differences in target blood phenylalanine concentrations, the dosages of protein substitutes, systems for allocating daily phenylalanine allowance, and the definition of foods that could be eaten without restriction ('free foods'). Eighty percent (n=8/10) of centres encouraged breastfeeding together with protein substitute in infants with PKU.

CONCLUSIONS: Important differences exist among centres across Europe in the dietary management of PKU, and in support systems designed to assist patients in managing their diets. Further studies are needed to compare different dietary treatments with the aim of identifying best practice to optimise phenylalanine control and dietary adherence.

Original languageEnglish
JournalClinical nutrition (Edinburgh, Scotland)
Issue number3
Pages (from-to)231-6
Number of pages6
Publication statusPublished - Jun 2009

    Research areas

  • Breast Feeding, Diet, Dietary Proteins, Europe, Female, Health Care Surveys, Humans, Infant, Newborn, Male, Neonatal Screening, Phenylalanine, Phenylketonurias, Physician's Practice Patterns, Practice Guidelines as Topic, Quality of Health Care, Questionnaires

ID: 45088205