What EEG findings are characteristic of hepatic encephalopathy?

Updated: Oct 09, 2019
  • Author: Eli S Neiman, DO, FACN; Chief Editor: Selim R Benbadis, MD  more...
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The EEG in hepatic encephalopathy may consist of slow waves and TWs; epileptic activity may be observed. Adams et al studied patients after liver transplantation; 17 (33%) of 52 patients who underwent 56 consecutive orthotopic liver transplants had serious postoperative neurologic complications. [82]

Seizures were described in 13 (25%) patients; of these, 50% had onset of seizures within the first week. In 3 patients, the seizures were associated with postoperative metabolic encephalopathy and fatal progressive neurological deterioration. Cyclosporine was thought to be causing the seizures in some of these patients. In others, electrolyte disturbances, steroid treatment for graft rejection, and cerebral infarction could have contributed to the occurrence of seizures. [82]

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