Prevalence of Genetic Disorders and GLUT1 Deficiency in a Ketogenic Diet Clinic.

Can J Neurol Sci 2018 01 16;45(1):93-96. Epub 2017 Nov 16.

1Department of Pediatrics,Division of Clinical and Metabolic Genetics,University of Toronto,Toronto,Ontario,Canada.

Between July of 2012 and December of 2014, 39 patients were enrolled prospectively to investigate the prevalence of glucose transporter 1 (GLUT1) deficiency in a ketogenic diet clinic. None of them had GLUT1 deficiency. All patients seen in the same clinic within the same period were reviewed retrospectively. A total of 18 of these 85 patients had a genetic diagnosis, including GLUT1 deficiency, pathogenic copy number variants, congenital disorder of glycosylation, neuronal ceroid lipofuscinosis type II, mitochondrial disorders, tuberous sclerosis, lissencephaly, and SCN1A-, SCN8A-, and STXBP1-associated epileptic encephalopathies. The prevalence of genetic diagnoses was 21% and prevalence of GLUT1 deficiency was 2.4% in our retrospective cohort study.

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http://dx.doi.org/10.1017/cjn.2017.246DOI Listing
January 2018
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