• Alaa Eldin Elsharkawy, Terttu A Pietilä, Abdel Hamid Alabbasi, Heinz Pannek, and Alois Ebner.
• Department of Presurgical Evaluation, Bethel Epilepsy Center, Krankenhaus Mara, Maraweg 21, 33617 Bielefeld, Germany. alaa.elsharkawy@mara.de
• Seizure. 2011 Jun 1;20(5):419-24.

PurposeTo assess the long-term seizure outcome and find predictors of outcome for patients who were not initially seizure free 6 months after epilepsy surgery.MethodsWe retrospectively reviewed all adult patients who underwent epilepsy surgery at the Epilepsy Center Bethel, between 1992 and 2003. There were 266 patients included in this analysis.ResultsOf the 266 patients who were included in this study, the probability of becoming seizure free was 12% (95%CI 8-16%) after 2 years, 19.5% (95%CI 15-24%) after 5 years and 34.7% (95%CI 28-41%) after 10 years. In patients who had auras only, the probability of being seizure free was 18.2% after 2 years, 25.5% after 5 years, and 39.1% after 10 years. In the multiregression analysis, the EEG carried out 2 years after surgery, a psychic aura, the frequency of postoperative focal seizures and hypermotor seizures predicted seizure remission in the long-term outcome.ConclusionsThe frequency and type of postoperative seizures are critical determinants for long-term outcome. Seizure semiology may be the clue to a precise diagnosis and long-term prognosis of epilepsy.Copyright © 2011 British Epilepsy Association. Published by Elsevier Ltd. All rights reserved.

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