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Continuous Spike (continuous + spike)
Selected AbstractsCoexistence of Idiopathic Rolandic Epilepsy and CSWS in Two FamiliesEPILEPSIA, Issue 10 2006Xavier De Tiège Summary:,Purpose: To report two families combining benign childhood epilepsy with centrotemporal spikes (BCECS) and cryptogenic epilepsy with continuous spike,waves during sleep (CSWS) in first-degree relatives. Methods: Clinical, EEG, and cerebral imaging data are described. Results: Family 1: The proband was 3 years old at epilepsy onset. First seizures were convulsive, with centrotemporal spikes on EEG. At age 5 years, he had complex partial seizures, psychomotor regression, and centrotemporal CSWS. [18F]fluorodeoxyglucose (FDG) positron emission tomography (PET) showed left parietal hypermetabolism. After several antiepileptic drug (AED) trials, valproate (VPA) and ethosuximide (ESM) induced seizure remission, CSWS disappearance, and psychomotor improvement. Learning disabilities, however, persisted. Family history was remarkable for BCECS in his father. Family 2: The proband was 2 years old at epilepsy onset. First seizures were convulsive, with centrotemporal CSWS on EEG. Despite several AED trials including corticosteroids, focal negative myoclonia, atypical absences, and psychomotor regression occurred, leading to severe mental retardation. FDG-PET showed bilateral parietal hypermetabolism. Vagus nerve stimulator was implanted. Her family history was remarkable for BCECS in her father and febrile convulsions in infancy in her mother. Conclusions: These data suggest the existence of a common genetic basis between BCECS and cryptogenic epilepsies with CSWS. The higher expression in patients with CSWS could be related to other genetic or acquired factors. These data suggest that these epileptic syndromes constitute edges of a continuum. [source] Topiramate in long-term treatment of epilepsy in the intellectually disabledJOURNAL OF INTELLECTUAL DISABILITY RESEARCH, Issue 3 2005M. Arvio Abstract Background To study the effectiveness of topiramate (TPM) in refractory epilepsy in patients who have intellectual disability (ID). Methods A representative population sample of 57 patients with ID (age range 2,61, mean 32.8) was administered add-on TPM for drug-refractory epilepsy. Results Seizure freedom for at least for 6 months was attained by 10 (17%), and seizure reduction of ,,50% by further 26 (46%). Less than 50% decrease in seizure frequency was found in 16 (29%). TPM was more efficacious in localisation-related than in generalised epilepsies (81% vs. 50%, P = 0.019). An at least 50% decrease in seizure frequency was achieved by patients with temporal lobe epilepsy in 100%, continuous spike,waves during sleep syndrome in 75%, Lennox,Gastaut syndrome in 52%, and those with infantile spasms in 25% of cases. As great decrease in seizure frequency was found in most patients with cortical dysplasia (83%), acquired encephalopathy with mesial temporal sclerosis (MTS) (75%), and genetic disease associated with MTS (66%). Adverse effects occurred in 10% including two (3%) with seizure aggravation and three (5%) necessitating discontinuation. Conclusion TPM is an effective antiepileptic drug which is of value in treating people with seizures that are resistant to other antiepileptic medication. As a broad-spectrum drug it may substitute for polypharmacy and, at the same time decrease adverse effects and costs of therapy. [source] Efficacy of levetiracetam in pharmacoresistant continuous spikes and waves during slow sleepACTA NEUROLOGICA SCANDINAVICA, Issue 3 2004G. Capovilla Objective , To evaluate the efficacy of levetiracetam (LEV) in continuous spikes and waves during slow sleep (CSWS). Despite first description dates back to 1971, no agreement exists about CSWS treatment. The condition is rare and controlled clinical trials are very difficult to perform, so the reports about efficacy of different drugs are anecdotal. Patients and methods , We introduced LEV in three children affected by symptomatic focal epilepsy and pharmacoresistant CSWS and evaluated clinical, neuropsychological and electroencephalographic outcome. Results , Two cases responded completely, one case showed only a mild reduction of spikes and waves during slow sleep. Conclusion , Even if our report is anecdotal, LEV expands the spectrum of antiepileptic drugs that can be used for the treatment of CSWS. LEV efficacy should be confirmed in larger series. [source] | ||||||||||