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Epileptiform electroencephalographic abnormalities in liver transplant recipients
Z K Wszolek1, A J Aksamit, R J Ellingson
1Department of Neurology, Mayo Clinic, Rochester, MN 55905.
Annals of Neurology
|July 1, 1991
Summary
Epileptiform activity on electroencephalograms (EEGs) after liver transplantation indicates a poor neurological outcome. This finding was fivefold higher in non-survivors, suggesting further investigation for treatable causes.
Area of Science:
- Neurology
- Hepatology
- Transplantation Medicine
Background:
- Orthotopic liver transplantation (OLT) is a life-saving procedure.
- Neurological complications can impact patient outcomes after OLT.
- Electroencephalography (EEG) is used to assess brain activity.
Purpose of the Study:
- To determine the association between epileptiform changes on EEG and neurological outcomes in OLT patients.
- To investigate the incidence of epileptiform activity in survivors versus non-survivors post-OLT.
Main Methods:
- Retrospective study of patients who underwent OLT.
- Analysis of EEG data from patients who died and those who survived.
- Correlation of EEG findings with neuropathological examination and clinical outcomes.
Main Results:
- Epileptiform activity was observed in 14 of deceased patients and 2 survivors.
- The incidence of epileptiform activity was fivefold higher in non-survivors.
- Serious cerebral structural changes were noted in most deceased patients with epileptiform activity.
Conclusions:
- EEG-identified epileptiform activity is a significant indicator of poor prognosis after OLT.
- Clinicians should be alerted to investigate for treatable causes in OLT patients with epileptiform EEG changes.
- Further research into the underlying causes and management strategies is warranted.