Gelastic seizures: incidence, clinical and EEG features in adult patients undergoing video-EEG telemetry.

Abstract:

:This study aimed to determine clinical features of adult patients with gelastic seizures recorded on video -electroencephalography (EEG) over a 5-year period. We screened video-EEG telemetry reports for the occurrence of the term "gelastic" seizures, and assessed the semiology, EEG features, and duration of those seizures. Gelastic seizures were identified in 19 (0.8%) of 2,446 admissions. The presumed epileptogenic zone was in the hypothalamus in one third of the cases, temporal lobe epilepsy was diagnosed in another third, and the remainder of the cases presenting with gelastic seizures were classified as frontal, parietal lobe epilepsy or remained undetermined or were multifocal. Gelastic seizures were embedded in a semiology, with part of the seizure showing features of automotor seizures. A small proportion of patients underwent epilepsy surgery. Outcome of epilepsy surgery was related to the underlying pathology; two patients with hippocampal sclerosis had good outcomes following temporal lobe resection and one of four patients with hypothalamic hamartomas undergoing gamma knife surgery had a good outcome.

journal_name

Epilepsia

journal_title

Epilepsia

authors

Kovac S,Diehl B,Wehner T,Fois C,Toms N,Walker MC,Duncan JS

doi

10.1111/epi.12868

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

e1-5

issue

1

eissn

0013-9580

issn

1528-1167

journal_volume

56

pub_type

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