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Nonepileptic seizures after resective epilepsy surgery.
G Glosser1, D Roberts, D S Glosser
1Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, USA. glosser@mail.med.upenn.edu
Epilepsia
|December 28, 1999
Summary
Nonepileptic seizures (NES) can emerge after epilepsy surgery. Factors like female sex, right hemisphere surgery, and later onset of epilepsy are associated with developing NES post-surgery.
Area of Science:
- Neurology
- Psychiatry
- Epileptology
Background:
- Epilepsy surgery aims to control seizures in refractory cases.
- Nonepileptic seizures (NES) can emerge post-surgery, complicating outcomes.
- Identifying predictors of NES is crucial for patient management.
Purpose of the Study:
- To determine factors associated with the development of nonepileptic seizures (NES) following resective epilepsy surgery.
- To differentiate characteristics of patients developing NES post-surgery.
Main Methods:
- EEG-documented NES cases (n=22) were compared to other epilepsy surgery patients.
- Analysis included demographic, neurologic, and psychiatric variables.
- Pre- and post-operative factors were assessed.
Main Results:
- NES typically appeared within months post-surgery.
- Patients developing NES had later onset of neurological issues and epilepsy.
- Female sex, right hemisphere surgery, and new psychiatric issues post-surgery were more common in the NES group.
Conclusions:
- Nonepileptic seizures (NES) are multifactorial, influenced by various patient characteristics.
- Post-surgical NES is linked to female gender, right hemisphere dysfunction, and later epilepsy onset.
- Somatoform tendencies may contribute to NES development, particularly amid post-surgical psychiatric instability.