Generalized spike–waves in idiopathic generalized epilepsies: Does their frequency matter?

Objectives We hypothesized that the frequency (in Hertz) of generalized spike–waves (GSWs) in patients with idiopathic generalized epilepsy (IGE) has associations with the syndromic diagnosis as well as with the prognosis of patients (their response to medical treatment). Methods This was a retrospe...

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Bibliographic Details
Published in:Brain and behavior 2024-10, Vol.14 (10), p.e70023-n/a
Main Authors: Asadi‐Pooya, Ali A., Farazdaghi, Mohsen
Format: Article
Language:English
Subjects:
Adolescent
Adult
Chi-square test
Child
Child, Preschool
Convulsions & seizures
EEG
Electroencephalography
Electroencephalography - methods
Epilepsy
Epilepsy, Absence - physiopathology
Epilepsy, Generalized - physiopathology
Female
Humans
Iran
Male
outcome
Patients
Retrospective Studies
seizure
Variance analysis
Young Adult
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Summary:Objectives We hypothesized that the frequency (in Hertz) of generalized spike–waves (GSWs) in patients with idiopathic generalized epilepsy (IGE) has associations with the syndromic diagnosis as well as with the prognosis of patients (their response to medical treatment). Methods This was a retrospective study of a prospectively developed database. All patients with a diagnosis of IGE were studied at the epilepsy center at Shiraz University of Medical Sciences, Shiraz, Iran, from 2008 until 2022. Patients were classified into four IGE syndromes: childhood absence epilepsy; juvenile absence epilepsy; juvenile myoclonic epilepsy; and generalized tonic–clonic seizures alone. Results Five hundred and eighty‐three patients were studied. GSWs were commonly observed in all four syndromes of IGE. Frequency of GSW (in Hertz) did not have a significant association with the syndromic diagnosis of the patients (p = .179). The presence of GSW did not have a significant association with the seizure outcome (becoming seizure free or not) of the patients (p = .416). Frequency of GSW did not have a significant association with the seizure outcome of the patients either (p = .574). Conclusion GSWs are the hallmark electroencephalographic footprints of idiopathic generalized epilepsies; however, neither their presence nor their frequency has practical associations with the syndromic diagnosis of IGEs or their outcome (response to treatment).
ISSN:2162-3279
2162-3279
DOI:10.1002/brb3.70023