Long term prognosis of juvenile absence epilepsy

Juvenile absence epilepsy (JAE) is a generalized form of epilepsy, characterized by absence seizures (AS) initiated in adolescence, with a typical EEG showing generalized spike-wave discharges. Apart from absences, other seizure types may be observed such as myoclonia and generalized tonic-clonic se...

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Bibliographic Details
Published in:	Neurologia (Barcelona, Spain) Vol. 26; no. 4; p. 193
Main Authors:	Aiguabella Macau, M, Falip Centellas, M, Veciana de Las Heras, M, Climent Perín, M A, Miró Lladó, J, Moreno Gómez, I, Elices Palomar, E
Format:	Journal Article
Language:	English Spanish
Published:	Spain 01-05-2011
Subjects:	Adolescent Adult Age of Onset Anticonvulsants - therapeutic use Child Electroencephalography Epilepsy, Absence - diagnosis Epilepsy, Absence - drug therapy Epilepsy, Absence - physiopathology Female Humans Male Prognosis Retrospective Studies Young Adult
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Summary:	Juvenile absence epilepsy (JAE) is a generalized form of epilepsy, characterized by absence seizures (AS) initiated in adolescence, with a typical EEG showing generalized spike-wave discharges. Apart from absences, other seizure types may be observed such as myoclonia and generalized tonic-clonic seizures (GTCS). Its long-term prognosis is uncertain. We retrospectively selected all patients who met the 1989 ILAE diagnostic criteria for JAE. We analysed clinical variables, pharmacological treatment, and seizure remission with medical treatment and seizure relapse after stopping medical treatment. We identified 21 patients, 17 women and 4 men, 86% of whom had suffered GTCS and 14% myoclonias. Mean age at AS onset was 17 years old (range 10-44), 4 patients debuted with AS in adulthood. Mean follow up duration was 25 years (range 10-43). Ninety per cent of the patients were treated with valproate and 62% needed polytherapy. Currently 43% have achieved seizure freedom under medical treatment. All attempts to stop treatment failed, in some cases after long periods of seizure remission. Less than fifty per cent of patients with JAE achieve remission, antiepileptic treatment is mandatory during all life, despite having long periods of remission.
ISSN:	1578-1968
DOI:	10.1016/j.nrl.2010.09.005