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METABOLIC CONTROL AND BODY COMPOSITION OF CHILDREN AND ADOLESCENTS WITH PHENYLKETONURIA

Zeni Drubi Nogueira1, Ney Boa-Sorte2, Maria Efigênia de Queiroz Leite1

  • 1Universidade Federal da Bahia, Salvador, BA, Brazil.

Revista Paulista De Pediatria : Orgao Oficial Da Sociedade De Pediatria De Sao Paulo
|March 3, 2021
PubMed

Insights

This study found that metabolic control in children and adolescents with phenylketonuria (PKU) is linked to body composition. Higher body mass and muscle area may indicate poorer phenylalanine control in PKU patients.

Area of Science:

  • Metabolic disorders
  • Pediatric endocrinology
  • Nutritional science

Background:

  • Phenylketonuria (PKU) is a genetic disorder requiring strict dietary management.
  • Neonatal screening allows for early diagnosis and intervention in PKU.
  • Understanding factors influencing metabolic control is crucial for managing PKU.

Purpose of the Study:

  • To assess metabolic control in children and adolescents with PKU.
  • To investigate the relationship between metabolic control and socioeconomic, demographic, and body composition variables.
  • To identify potential factors affecting phenylalanine levels in PKU patients.

Main Methods:

  • Retrospective cohort study of 53 children and adolescents with PKU.
  • Data collection included socioeconomic factors, demographics, and anthropometric measurements.
  • Phenylalanine (Phe) dosages over five years were analyzed to determine metabolic control adequacy.

Main Results:

  • Adolescents demonstrated better metabolic control compared to younger children.
  • Overweight patients exhibited higher serum Phe levels.
  • Decreased metabolic control (lower Phe adequacy) was associated with increased arm muscle area (AMA).

Conclusions:

  • Most patients achieved adequate metabolic control.
  • Body composition, particularly arm muscle area, appears to be related to phenylalanine levels in PKU.
  • Further research is needed to elucidate the complex interplay between body composition and metabolic control in PKU.
Abstract

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