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Fish-Free Diet in Patients with Phenylketonuria Is Not Associated with Early Atherosclerotic Changes and Enhanced Platelet Activation

Overview
Journal PLoS One
Date 2015 Aug 21
PMID 26291823
Citations 6
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Abstract

Background And Purpose: Since patients with phenylketonuria (PKU) have to follow a lifelong restriction of natural protein to lower phenylalanine-intake, they never eat fish. This diet may lead to a chronic deficit of omega-3 and omega-6 fatty acids with the risk of early atherosclerotic changes. The aim of the study was to analyse the fatty acid profile of PKU patients and to correlate the results with surrogate markers of early atherosclerotic changes [enhanced carotid intima media thickness (CIMT) and ß-stiffness index] and platelet activation.

Methods: In 43 PKU patients and in 58 healthy controls we prospectively examined the fatty acid profile, CIMT, ß-stiffness index and platelet activation (flow cytometric determination of markers of platelet activation). CIMT was measured bilaterally by ultrasound. CIMTmean was defined as the mean value of the sum of CIMTleft and CIMTright.

Results: Despite of lower HDL-cholesterol and higher triglyceride concentrations in the PKU group, there was no significant difference in the omega-6 or omega-3 fatty acid profile, CIMT, ß-stiffness index between both groups. Platelet activation was not enhanced in the PKU group.

Conclusions: Fish-free diet does not induce early atherosclerotic changes or enhanced platelet activation in PKU patients.

Citing Articles

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Systematic literature review of the somatic comorbidities experienced by adults with phenylketonuria.

Whitehall K, Rose S, Clague G, Ahring K, Bilder D, Harding C Orphanet J Rare Dis. 2024; 19(1):293.

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Morphofunctional Assessment beyond Malnutrition: Fat Mass Assessment in Adult Patients with Phenylketonuria-Systematic Review.

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The cardiovascular phenotype of adult patients with phenylketonuria.

Azabdaftari A, van der Giet M, Schuchardt M, Hennermann J, Plockinger U, Querfeld U Orphanet J Rare Dis. 2019; 14(1):213.

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Clinical burden of illness in patients with phenylketonuria (PKU) and associated comorbidities - a retrospective study of German health insurance claims data.

Trefz K, Muntau A, Kohlscheen K, Altevers J, Jacob C, Braun S Orphanet J Rare Dis. 2019; 14(1):181.

PMID: 31331350 PMC: 6647060. DOI: 10.1186/s13023-019-1153-y.


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