Status epilepticus and tiagabine therapy revisited |
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Authors: | Koepp Matthias J Edwards Mark Collins Jayne Farrel Fiona Smith Shelagh |
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Institution: | Department of Clinical and Experimental Epilepsy, Institute of Neurology, UCL, London, United Kingdom. mkoepp@ion.ucl.ac.uk |
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Abstract: | PURPOSE: To determine whether antiepileptic treatment with tiagabine (TGB) is associated with an increased frequency of nonconvulsive status epilepticus (NCSE) in patients with refractory epilepsy. METHODS: We reviewed retrospectively the medical and EEG records of all inpatients with refractory localization-related epilepsy at the National Society for Epilepsy treated with TGB between January 1997 and December 2000. Clinical and electroencephalographic (EEG) data before, during, and after TGB therapy were evaluated in those patients who experienced a deterioration in seizure control suggestive of NCSE. Frequency of NCSE was determined in a comparable, non-TGB-treated patient population. RESULTS: Seven (7.8%) of 90 TGB-treated patients were identified who experienced episodes of electroclinically confirmed NCSE. Serial EEGs showed deterioration during TGB treatment, with resolution of abnormality on discontinuation of TGB in all seven patients. During the same observation period, 32 (2.7%) of 1,165 non-TGB-treated patients developed electroclinically defined NCSE. CONCLUSIONS: Treatment with TGB is associated with an increased frequency of NCSE in patients with refractory localization-related epilepsy. |
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Keywords: | Status epilepticus Nonconvulsive status epilepticus Tiagabine |
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