Purpose: Occlusion of the artery of Percheron (AOP), a rare vascular variant of basilar artery branch, is presumed to cause bilateral paramedian thalamic infarction. We present a case of acute AOP infarction with status epilepticus.
Case Report: A 65-year-old woman had past history of hypertension, type 2 diabetes mellitus, and major depressive disorder. She was found to have altered mental status on awakening. She developed tonic convulsion and progressed to status epilepticus later. The brain magnetic resonance imaging (MRI) showed acute bilateral paramedian thalamic and interpeduncular mesencephalic infarction. The electroencephalography (EEG) showed continuous epileptiform discharges. After receiving antiplatelet and anticonvulsant agents, she regained her level of consciousness and has completely recovered to previous baseline.
Conclusions: To our knowledge, this is the first case of AOP infarction presenting status epilepticus. Early recognition and treatment of seizure may reverse altered mental status in those patients.
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