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- Title
Epilepsy in Menkes Disease: Analysis of Clinical Stages.
- Authors
Bahi-Buisson, Nadia; Kaminska, Anna; Nabbout, Rima; Barnerias, Christine; Desguerre, Isabelle; De Lonlay, Pascale; Mayer, Michele; Plouin, Perrine; Dulac, Olivier; Chiron, Catherine
- Abstract
Purpose: Epilepsy is one of the main features of Menkes disease (MD), although it is not described in depth. To determine the spectrum of epilepsy, we studied its main characteristics. Methods: Based on clinical charts, we retrospectively analyzed the evolution of electroclinical features of 12 patients with confirmed MD. Results: Epilepsy could be divided into three periods: (a) an early stage (median age, 3 months), characterized by focal clonic status epilepticus, usually triggered by fever (10 patients). Ictal EEG showed runs of slow spike–waves and slow waves in the posterior regions, and interictal EEG multifocal and polymorphic slow waves (three cases), or mixed slow spike–waves and slow waves (seven cases). Partial seizure control was obtained in nine patients during 5.9 months; (b) an intermediate stage (median age, 10 months) with intractable infantile spasms (11 patients) in which interictal EEG demonstrated modified hypsarrhythmia (seven cases), diffuse irregular slow waves and spike–waves (four cases). Six patients died at the median age of 15 months; and (c) a late stage in the six remaining patients (median age, 25 months), with multifocal seizures, tonic spasms, and myoclonus in four patients, whereas two patients became seizure free. Interictal EEG showed multifocal high-amplitude activity, mixed with irregular slow waves in all six cases. These patients died at the median age of 3.6 years. Conclusions: Based on a relatively large series of MD patients with a quite prolonged survival, we individualized three successive periods in the course of epilepsy: early focal status, then infantile spasms, and then myoclonic and multifocal epilepsy after age 2 years.
- Subjects
INFANTILE spasms; BASAL ganglia; INFANT diseases; CHILDHOOD epilepsy; EPILEPSY; ELECTROENCEPHALOGRAPHY
- Publication
Epilepsia (Series 4), 2006, Vol 47, Issue 2, p380
- ISSN
0013-9580
- Publication type
Article
- DOI
10.1111/j.1528-1167.2006.00432.x