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Cortico-juxtacortical involvement increases risk of epileptic seizures in multiple sclerosis.
MedLine Citation:
PMID:  23289848     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: Previous studies have reported an increased risk for epileptic seizures in multiple sclerosis (MS) patients. However, data on the pathogenesis of seizures remain inconclusive. The aim of our study is to evaluate prevalence, clinical and paraclinical features of epileptic attacks in our MS cohort and to search MS-specific risk factors for epileptic seizures. MATERIALS AND METHODS: In this cohort of 428 MS patients, 13 patients were identified with epileptic seizures occurring at any point during the course of MS including at MS onset. As a control group, we selected 26 MS patients without seizures and matched for gender, age and date of MS onset. We compared demographic features and clinic-radiological findings between the both groups. RESULTS: Thirteen patients (3%) were identified as having epileptic attacks. Ten patients (77%) experienced focal seizures, half of whom had confirmed secondary generalization. We did not find an association between seizures and disease course. Most patients had a single or few (2-5) seizures. MS patients with seizures had a significantly higher number of cortical and juxtacortical lesions on T2-weighted/fluid attenuation inversion recovery magnetic resonance imaging than control group [OR = 2.6 CI95% (1.0-6.5); P = 0.047]. CONCLUSIONS: Our findings support a credible role of cortical and juxtacortical involvement in the development of epileptic seizures in MS.
Authors:
E H Martínez-Lapiscina; T Ayuso; F Lacruz; I G Gurtubay; G Soriano; M Otano; M Bujanda; M C Bacaicoa
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-7
Journal Detail:
Title:  Acta neurologica Scandinavica     Volume:  -     ISSN:  1600-0404     ISO Abbreviation:  Acta Neurol. Scand.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370336     Medline TA:  Acta Neurol Scand     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 John Wiley & Sons A/S.
Affiliation:
Neurology, Complejo Hospitalario de Navarra, Pamplona, Spain.
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