Post–epilepsy surgery psychogenic nonepileptic seizures

Summary Objectives We investigated the prevalence of post–epilepsy surgery psychogenic nonepileptic seizures (PNES) in patients with drug‐resistant epilepsy and the possible influence of risk factors on these seizures. Methods In this retrospective study, we examined data from all patients with a cl...

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Bibliographic Details
Published in:Epilepsia (Copenhagen) 2016-10, Vol.57 (10), p.1691-1696
Main Authors: Asadi‐Pooya, Ali A., Asadollahi, Marjan, Tinker, Jennifer, Nei, Maromi, Sperling, Michael R.
Format: Article
Language:English
Subjects:
Adult
Conversion Disorder - diagnostic imaging
Conversion Disorder - surgery
Convulsions & seizures
Drug resistance
Drug Resistant Epilepsy - diagnostic imaging
Drug Resistant Epilepsy - physiopathology
Drug Resistant Epilepsy - psychology
Drug Resistant Epilepsy - surgery
Electroencephalography
Epilepsy
Female
Humans
Logistic Models
Male
Middle Aged
Neurosurgical Procedures - methods
Outcome
Postoperative Complications - diagnosis
Postoperative Complications - diagnostic imaging
Postoperative Complications - physiopathology
Psychogenic nonepileptic seizures
Psychophysiologic Disorders - diagnostic imaging
Psychophysiologic Disorders - surgery
Retrospective Studies
Risk
Somatoform Disorders - diagnostic imaging
Somatoform Disorders - surgery
Surgery
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Summary:Summary Objectives We investigated the prevalence of post–epilepsy surgery psychogenic nonepileptic seizures (PNES) in patients with drug‐resistant epilepsy and the possible influence of risk factors on these seizures. Methods In this retrospective study, we examined data from all patients with a clinical diagnosis of drug‐resistant epilepsy who underwent epilepsy surgery at Graduate Hospital and the Jefferson Comprehensive Epilepsy Center between 1986 and 2016. Postsurgical outcome was identified for up to 15 years after surgery. Diagnosis of PNES was verified in the epilepsy monitoring unit with video–electroencephalography (EEG) ictal recording. Potential associated factors were assessed by comparing patients with or without postoperative PNES. Results A total of 1,105 patients were studied; 697 patients had postoperative seizures, and, of these, 27 patients (3.9%) had documented PNES after surgery. A full‐scale intelligence quotient (IQ)
ISSN:0013-9580
1528-1167
DOI:10.1111/epi.13513