Fever-Induced Paroxysmal Weakness and Encephalopathy, a New Phenotype of ATP1A3 Mutation.

Abstract excerpt

BACKGROUND: We identified a group of patients with ATP1A3 mutations at residue 756 who display a new phenotype, distinct from alternating hemiplegia of childhood, rapid-onset dystonia-parkinsonism, and cerebellar ataxia, areflexia, pes cavus, optic atrophy, sensorineural hearing loss syndromes. METHODS: Four patients with c.2267G>A (R756H) mutations from two families and two patients with c.2267G>T (R756L)...

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