Document Detail


Prognosis of juvenile myoclonic epilepsy is related to endophenotypes.
MedLine Citation:
PMID:  21041102     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: To investigate if phenotypic variations have prognostic implications in juvenile myoclonic epilepsy (JME).
METHODS: Sixty-five consecutive JME patients had video-EEG recording and were followed for at least three years. Reflex traits were defined as seizures and/or EEG discharges induction by eye-closure, photic stimulation, language, praxis or calculation. Patients had psychiatric evaluation and answered to STAI (State-Trait Anxiety Inventory). Seizure control was classified according to Prasad et al. (2003).(24) Patients were divided into Group 1: good seizure control and Group 2: moderate or poor seizure control. Video-EEG/EEG evaluation was repeated in 21 patients.
RESULTS: Forty of 65 (61.5%) patients reached good seizure control, 25 (38.5%) of whom became seizure free. Group 2 patients had longer epilepsy duration (13.9±9.0 vs. 8.7±8.2; p=0.019); higher prevalence of the combination of all three seizure types (72.0% vs. 30.0%; p=0.003); discharges in baseline EEG (56.0% vs. 22.5%; p=0.008); seizure recording (68% vs. 20%; p<0.001) and sensitivity to praxis (63.6% vs. 29.6%; p=0.023). Compared to seizure-free patients, those with persistent seizures presented younger age at epilepsy onset (12.6±3.33 years vs. 15.4±5.47 years; p=0.015); higher prevalence of personality disorders (25% vs. 4%; p=0.029); higher scores in STAI-T (45.9±11.31 vs. 36.6±11.43; p=0.011) and higher incidence of sensitivity to praxis (58.6% vs. 25.0%; p=0.04) and to language (53.8 vs. 16.7%; p=0.026) tasks. Repetition of EEG/video-EEG revealed a parallel evolution of reflex traits disappearance and seizure control.
DISCUSSION: Clinical features and reflex traits have prognosis implications in JME.
Authors:
Mirian S B Guaranha; Gerardo M de Araújo Filho; Kátia Lin; Laura M F F Guilhoto; Luis Otávio S F Caboclo; Elza Márcia T Yacubian
Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-10-30
Journal Detail:
Title:  Seizure     Volume:  20     ISSN:  1532-2688     ISO Abbreviation:  Seizure     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-01-03     Completed Date:  2011-11-09     Revised Date:  2014-10-21    
Medline Journal Info:
Nlm Unique ID:  9306979     Medline TA:  Seizure     Country:  England    
Other Details:
Languages:  eng     Pagination:  42-8     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 British Epilepsy Association. Published by Elsevier Ltd. All rights reserved.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Electroencephalography / methods
Endophenotypes*
Female
Follow-Up Studies
Humans
Male
Myoclonic Epilepsy, Juvenile / diagnosis*,  physiopathology*
Prognosis
Prospective Studies
Risk Factors
Video Recording / methods
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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