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- W1567755466 abstract "Summary Purpose: Glut 1 deficiency syndrome (DS) is defined by hypoglycorrhachia with normoglycemia, acquired microcephaly, episodic movements, and epilepsy refractory to standard antiepileptic drugs (AEDs). Gold standard treatment is the ketogenic diet (KD), which provides ketones to treat neuroglycopenia. Our purpose is (1) to describe epilepsy phenotypes in a large Glut 1 DS cohort, to facilitate diagnosis; and (2) to describe cases in which non‐KD agents achieved seizure freedom (SF), highlighting potential adjunctive treatments. Methods: Retrospective review of 87 patients with Glut 1 DS (45% female, age range 3 months–35 years, average diagnosis 6.5 years) at Columbia University, from 1989 to 2010. Key Findings: Seventy‐eight (90%) of 87 patients had epilepsy, with average onset at 8 months. Seizures were mixed in 68% (53/78): generalized tonic–clonic (53%), absence (49%), complex partial (37%), myoclonic (27%), drop (26%), tonic (12%), simple partial (3%), and spasms (3%). We describe the first two cases of spasms in Glut 1 DS. Electrophysiologic abnormalities were highly variable over time; only 13 (17%) of 75 had exclusively normal findings. KD was used in 82% (64/78); 67% (41/61) were seizure‐free and 68% of seizure‐free patients (28/41) resolved in <1 week and 76% (31/41) in <1 month. Seven patients achieved SF with broad agents only. Significance: Glut 1 DS is a genetic metabolic encephalopathy with variable focal and multifocal seizure types and electroencephalographic findings. Infants with seizures, spasms, or paroxysmal events should be tested for Glut 1 DS. Evidence is insufficient to recommend specific AEDs as alternatives to KD. Early diagnosis and initiation of KD and prevention of unnecessary AED trials in Glut 1 DS are important goals for the treatment of children with epilepsy." @default.
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- W1567755466 date "2012-07-19" @default.
- W1567755466 modified "2023-10-17" @default.
- W1567755466 title "Glucose transporter type I deficiency syndrome: Epilepsy phenotypes and outcomes" @default.
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- W1567755466 doi "https://doi.org/10.1111/j.1528-1167.2012.03592.x" @default.
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