Recurrent super-refractory status epilepticus and stroke like episode in a patient with Behr syndrome secondary to biallelic variants in OPA1 gene

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Behr syndrome is associated with compound heterozygous dysfunction in OPA1 gene and typically presents with a constellation of visual impairment due to early onset optic atrophy, cerebellar ataxia, peripheral neuropathy, deafness, and gastrointestinal motility problems. Our patient with biallelic variants in OPA1 gene had delayed motor milestones, cerebellar ataxia, and optic atrophy in infancy. At the age of 7 years, he presented with recurrent episodes of super-refractory status epilepticus and metabolic stroke due to underlying mitochondrial dysfunction associated with OPA1 gene dysfunction. Besides the two rare prior case reports of focal and myoclonic seizures in patients with Behr syndrome, epilepsy in general is not well described in the typical phenotypic spectrum and to the best of our knowledge. Dramatic clinical presentation with recurrent super-refractory status epilepticus and metabolic stroke has not been reported previously. There is only one prior report of metabolic stroke in a patient with Behr syndrome due to OPA1 gene dysfunction.

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