Chapter title |
Normal Growth in PKU Patients Under Low-Protein Diet in a Single-Center Cross-Sectional Study
|
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Chapter number | 92 |
Book title |
JIMD Reports, Volume 43
|
Published in |
JIMD Reports, January 2018
|
DOI | 10.1007/8904_2018_92 |
Pubmed ID | |
Book ISBNs |
978-3-66-258613-6, 978-3-66-258614-3
|
Authors |
Jana Matic, Nina A. Zeltner, Johannes Häberle, Matic, Jana, Zeltner, Nina A., Häberle, Johannes |
Abstract |
Dietary phenylalanine restriction in phenylketonuria (PKU) patients is usually mandatory in order to prevent cognitive impairment. The influence of a low-protein diet on growth has raised concerns in families and caregivers. This paper aims to investigate the growth in PKU patients treated with a low-protein diet including supplementation of amino acids and other nutrients according to standard protocols.We performed a single-center, cross-sectional study on growth in pediatric PKU patients (n = 51) treated with low-protein diet over a 20-month period. Height of healthy siblings (n = 44) and target height, calculated based on parents' height, served as controls.No statistically significant differences were found comparing mean height z-scores between patients and siblings (p = 0.261). Patients <12 years showed a reduction in mean height z-scores compared to the target height (p = 0.020), whereas postpubertal patients ≥12 years did not differ significantly in height z-scores compared to the target height (p = 0.071). Healthy siblings' height did not differ from target height in neither age group (p = 0.100/p = 0.301).Our results suggest that PKU patients treated with low-protein diet can achieve normal growth with patients making up the leeway after puberty. While prepubertal patients were shorter than expected based on their target height, older patients were within their expected target height. This study indicates that current practice of low-protein diet in PKU patients allows normal growth. |
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Mendeley readers
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