PMID: 11915484Mar 28, 2002Paper

Pseudoperiodic and paroxysmal electroencephalographic activities

Neurophysiologie clinique = Clinical neurophysiology
Anne-Catherine Dunand, Pierre Jallon

Abstract

Periodic and paroxysmal EEG patterns are frequent and easily recognized. They often correlate with particular neurological or systemic conditions. We propose a reclassification and critical examination of these periodic EEG patterns by reviewing the original work presented by J. Gaches in this journal some thirty years ago. Periodic EEG activity is still classified by its localisation--generalised or focal--and by its periodicity--long or short. Periodic long-interval diffuse paroxysmal patterns are reported with rare pathologies such as SSPE, trypanosomiasis or intoxication with phencyclidine. Suppression bursts (SB) may be found in two main situations post-anoxic encephalopathies and drug-induced comas. Ohtahara syndrome is a very rare childhood epileptic syndrome with SB. Periodic short-interval diffuse pattern have been reported in Creutzfeldt-Jakob disease but also in toxic encephalopathies, such as lithium intoxication or as recently reported in acute Cefepime intoxication as well as with metabolic encephalopathies and rarely during AIDS. Periodic lateralized epileptiform discharges (PLEDs) have been classified according to their morphology and the associated condition (epileptic seizures, subtle status, "vascular" seizur...Continue Reading

Citations

Apr 15, 2005·Arquivos de neuro-psiquiatria·José Augusto BragattiFrederico Arthur Dahne Kliemann
Jun 16, 2009·Cell Transplantation·Wise Young
Apr 9, 2013·Arquivos de neuro-psiquiatria·Francisco Pereira da Silva-JúniorEliana Garzon
May 15, 2020·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Philippe GélissePeter W Kaplan
May 26, 2021·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Philippe GelissePeter W Kaplan

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