J Korean Soc Emerg Med.
2011 Aug;22(4):382-386.
Valproic Acid-Induced Hyperammonemic Encephalopathy Initially Misdiagnosed as Nonconvulsive Status Epilepticus
- Affiliations
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- 1Department of Neurology, Soonchunhyang University Bucheon Hospital, Bucheon, Korea. sapark@schmc.ac.kr
- 2Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
Abstract
- Valproic acid-induced hyperammonemic encephalopathy (VHE) is a very rare but serious complication. Discontinuation of valproic acid is the first and critical step for treatment. VHE can occur in people with normal liver function, despite normal doses and serum levels of valproic acid, therefore it is very hard to predict. Recently, we experienced a case of VHE. Here we will present the clinical, laboratory and electroencephalography findings in this patient.
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