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Adherence to diet and quality of life in patients with phenylketonuria
G Cotugno1, R Nicolò, S Cappelletti
1Division of Metabolic Diseases, Bambino Gesù Children's Hospital, Rome, Italy. giovanna.cotugno@opbg.net
Insights
Adherence to dietary treatment in phenylketonuria (PKU) is suboptimal, with over 40% of patients not meeting prescribed phenylalanine intake. Quality of life (QoL) is reduced in children and adolescents with PKU.
Area of Science:
- Biochemistry
- Pediatrics
- Metabolic Disorders
Background:
- Phenylketonuria (PKU) is a rare genetic disorder requiring strict dietary management.
- Dietary adherence and its impact on quality of life (QoL) in PKU patients are critical areas for research.
- Early diagnosis and treatment are essential for managing PKU and preventing complications.
Purpose of the Study:
- To investigate adherence to dietary treatment in patients with phenylketonuria (PKU).
- To assess the quality of life (QoL) in PKU patients.
- To explore the relationship between dietary adherence, metabolic control, and QoL in PKU.
Main Methods:
- A cross-sectional study was conducted with 41 early-treated PKU patients over 3 years old.
- Dietary assessment using a 3-day recall was performed.
- QoL was evaluated using validated questionnaires (Child Health Questionnaire and Short Form).
Main Results:
- Over half (56.1%) of PKU patients showed inadequate adherence to dietary phenylalanine restrictions.
- Lower maternal education level correlated with higher phenylalanine intake.
- QoL was diminished in pediatric and adolescent PKU patients, with limited correlation to adherence.
Conclusions:
- Improving dietary adherence is crucial for PKU management.
- Enhancing QoL in children and adolescents with PKU requires targeted interventions.
- Further research is needed to understand factors influencing adherence and QoL in PKU.
Aim:
To investigate adherence to dietary treatment and quality of life (QoL) in patients with phenylketonuria (PKU).
Methods:
In the setting of a tertiary paediatric hospital, 41 early-treated patients affected by PKU aged more than 3 years old were enrolled in a cross-sectional study. Three-days dietary assessment, QoL questionnaires for patients<18 years old (Child Health Questionnaire) and Short Form for adults were completed.
Results:
Of 41 patients, 23 (56.1%) were considered adherent to the dietary prescriptions as their phenylalanine intake was less than prescribed. Phenylalanine intake was significantly in excess of prescribed if mothers had a lower level of education. Adherence was not correlated with age. Metabolic control was obtained in 41.5-51.2% of the patients depending on the target. QoL was reduced in children and adolescents. There was no significant correlation between adherence and QoL, except for the domains of Global Health and Family Activities (ρ=0.42 and 0.46, respectively). The overall agreement between adherence and metabolic control varied according to different targets of metabolic control (51.2-65.9%).
Conclusions:
It is necessary to improve the adherence to diet and the QoL in children and adolescents affected by PKU.
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