Graduated and sequential propagation in mesial temporal epilepsy: analysis with scalp ictal EEG

Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society
Cayetano E Napolitano, Miguel Orriols

Abstract

The purpose of this study was to describe the most common types of discharge propagation in mesial temporal epilepsy and to determine whether there are particular propagation characteristics that suggest a lesser degree of temporal excitability. This is a retrospective and analytical observation study with an open historical cohort of 22 patients with mesial temporal epilepsy among whom 75 complex partial seizures were recorded, with or without secondary generalization. Of the 75 seizures, 64 were of regionalized-lateralized onset, and their distance propagation sequence was analyzed. The onset, localization, and propagation sequence were identified. The patients were classified into three groups according to seizure propagation: group I (G I), with propagation to the ipsilateral hemisphere only; group II (G II), with gradual and sequential ipsilateral and contralateral propagation; and group III (G III), with total hemisphere toward the contralateral propagation. The G I and G II seizures were significantly associated with unitemporal interictal EEGs in comparison with the G III seizures (P = 0.00277). At the same time, the epilepsy was easier to control in G I and II, whereas all the G III patients were intractable (P = 0.009...Continue Reading

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Mar 15, 2008·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Cayetano E Napolitano, Miguel Orriols
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Citations

Aug 6, 2013·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Nermin G SirinAysen Gokyigit
May 9, 2015·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Júlia MiróAntoni Rodríguez-Fornells
Jan 1, 2013·International Journal of Neural Systems·Kristl VonckPaul Boon
Jan 26, 2021·Epilepsy & Behavior : E&B·Cayetano E NapolitanoMiguel Orriols

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