J Korean Neurol Assoc.
2023 Feb;41(1):56-59. 10.17340/jkna.2023.1.10.
Reversible Burst-suppression Pattern of Acute Hyperammonemic Encephalopathy
- Affiliations
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- 1Department of Neurology, Uijeongbu Eulji Medical Center, Eulji University, Uijeongbu, Korea
- 2Department of Internal Medicine, Uijeongbu Eulji Medical Center, Eulji University, Uijeongbu, Korea
- KMID: 2539090
- DOI: http://doi.org/10.17340/jkna.2023.1.10
Abstract
- Acute hyperammonemic encephalopathy is generally associated with severe liver disease, manifesting with neuropsychiatric symptoms including confusion, lethargy, seizure, coma, and even death. Electroencephalogram (EEG) is a proven diagnostic, prognostic, and therapeutic tool in patients with acute and chronic encephalopathies. EEG changes in acute hyperammonemic encephalopathy are associated with background slowing in theta to delta ranges, accompanied by presence of triphasic waves. We reported a patient with acute hyperammonemic encephalopathy showing an unusual burst-suppression pattern, which was reversible with proper treatment.
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