Home visits in phenylketonuria: a 12-month longitudinal study

Hülya Gökmen-Ozel1, Zehra Büyüktuncer, Gülden Köksal

  • 1Department of Nutrition and Dietetics, Faculty of Health Science, Ankara, Turkey.

Insights

Caregiver dietary education for phenylketonuria (PKU) initially lowered blood phenylalanine (Phe) levels in children. However, sustained control requires ongoing, intensive education programs with regular home visits.

Area of Science:

  • Metabolic Disorders
  • Pediatric Nutrition
  • Genetics

Background:

  • Phenylketonuria (PKU) is a genetic disorder requiring strict dietary management.
  • Caregiver education is crucial for managing PKU in children.
  • Home-based interventions may impact treatment adherence and outcomes.

Purpose of the Study:

  • To assess the impact of in-home dietary education for caregivers on blood phenylalanine (Phe) levels in children with PKU.
  • To determine the short-term and long-term effectiveness of this educational intervention.

Main Methods:

  • Thirty-six children (aged 2-12) with PKU were enrolled.
  • Caregivers received three in-home dietary education sessions.
  • Blood Phe levels were measured at baseline and at 1, 4, 12, 24, and 48 weeks post-intervention.

Main Results:

  • A significant decrease in blood Phe levels was observed at 1 week post-intervention (p < 0.05).
  • Phe levels remained lower than baseline at 4 weeks, but not significantly.
  • Blood Phe levels significantly increased at 12, 24, and 48 weeks (p < 0.05).

Conclusions:

  • Initial dietary education can temporarily improve blood Phe control in children with PKU.
  • Sustained, well-controlled blood Phe levels necessitate continuous, intensive education and regular home support.
  • Regular home visits are vital for maintaining effective PKU dietary management.

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