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[Psychological adjustment of children with phenylketonuria]

Roma Jusiene1, Loreta Cimbalistiene, Rasa Bieliauskaite

  • 1Vilniaus universiteto Klinikines ir socialines psichologijos katedra, Didlaukio 47, 2057 Vilnius. romajusiene@hotmail.com

Medicina (Kaunas, Lithuania)
|December 12, 2002
PubMed

Insights

Older children with phenylketonuria (PKU) experience more psychological issues than peers. Parental adjustment to chronic illness correlates with PKU children's behavioral problems.

Area of Science:

  • Medical Genetics
  • Developmental Psychology
  • Pediatric Psychiatry

Background:

  • Phenylketonuria (PKU) is an inherited metabolic disorder requiring early dietary management to prevent severe intellectual disability.
  • While early treatment mitigates cognitive deficits, PKU patients often exhibit emotional and behavioral challenges.
  • Emerging research suggests psychological factors, not solely phenylalanine levels, contribute to these issues.

Purpose of the Study:

  • To assess the psychological adjustment of children with phenylketonuria in Lithuania.
  • To identify potential contributing factors to psychological difficulties in pediatric PKU patients.

Main Methods:

  • Utilized the Lithuanian version of the Child Behavior Checklist (CBCL) for 45 PKU children and 45 controls (ages 2-14).
  • Administered a questionnaire to parents regarding their reactions to their child's chronic illness.
  • Correlated behavioral data with mean phenylalanine (Phe) levels and IQ scores where available.

Main Results:

  • Older PKU children (compared to controls) demonstrated significantly more psychological problems.
  • No significant psychological differences were observed between younger PKU children and their healthy peers.
  • Parental maladjustment to the chronic nature of PKU was linked to increased internalizing and other behavioral issues in affected children.

Conclusions:

  • Age is a critical factor in the manifestation of psychological problems in phenylketonuria.
  • Parental coping strategies and adjustment play a significant role in the emotional well-being of children with PKU.
  • Further research into psychological interventions is warranted for older PKU patients.
Abstract

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