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Long-Chain Polyunsaturated Fatty Acids in Inborn Errors of Metabolism

Department of Pediatrics, University of Pécs, József A. u. 7., H-7623 Pécs, Hungary
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Nutrients 2010, 2(9), 965-974; https://doi.org/10.3390/nu2090965
Received: 4 August 2010 / Revised: 6 September 2010 / Accepted: 13 September 2010 / Published: 15 September 2010
(This article belongs to the Special Issue Paediatric Nutrition and Metabolism)
The treatment of children with inborn errors of metabolism (IEM) is mainly based on restricted dietary intake of protein-containing foods. However, dietary protein restriction may not only reduce amino acid intake, but may be associated with low intake of polyunsaturated fatty acids as well. This review focuses on the consequences of dietary restriction in IEM on the bioavailability of long-chain polyunsaturated fatty acids (LCPUFAs) and on the attempts to ameliorate these consequences. We were able to identify during a literature search 10 observational studies investigating LCPUFA status in patients with IEM and six randomized controlled trials (RCTs) reporting effect of LCPUFA supplementation to the diet of children with IEM. Decreased LCPUFA status, in particular decreased docosahexaenoic acid (DHA) status, has been found in patients suffering from IEM based on the evidence of observational studies. LCPUFA supplementation effectively improves DHA status without detectable adverse reactions. Further research should focus on functional outcomes of LCPUFA supplementation in children with IEM. View Full-Text
Keywords: inborn errors of metabolism; long-chain polyunsaturated fatty acids; linoleic acid; alpha-linolenic acid; arachidonic acid; docosahexaenoic acid inborn errors of metabolism; long-chain polyunsaturated fatty acids; linoleic acid; alpha-linolenic acid; arachidonic acid; docosahexaenoic acid
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Fekete, K.; Decsi, T. Long-Chain Polyunsaturated Fatty Acids in Inborn Errors of Metabolism. Nutrients 2010, 2, 965-974.

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