Early antiepileptic drug reduction following anterior temporal lobectomy for medically intractable complex partial epilepsy

Craigan T. Griffin, Mary E. Abastillas, Carmel Armon, Julie Lacanlale, Boleslaw H. Liwnicz, George Kaptain, Lloyd A. Dayes

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To determine the safety, in our practice, of allowing patient preference to influence the timing of antiepileptic drug (AED) reduction, once they became seizure-free after anterior temporal lobectomy (ATL). Methods: Thirty patients underwent anterior temporal lobectomy for medically intractable complex partial epilepsy at Loma Linda University Medical Center between December 1st 1991 and November 30th 2001. Timing of AED reduction in seizure-free patients was based on patient request. A review of patient records noted seizure status, duration from surgery to AED reduction, AED side effects, seizure recurrence and whether control was regained. Results: Twenty-four (80%) of the 30 patients became seizure-free on their preoperative AEDs after initial ATL; three additional patients after a second operation. AEDs were not reduced in the reoperated patients, the three patients who did not become seizure-free, and in two patients who asked to increase AEDs to control auras. Thus, AEDs were reduced in 22 of the 27 seizure-free patients. Patients were followed an average of 3.4±2.7 (mean±standard deviation) years. AED reduction was initiated 4.6±7.2 months (range 0-27 months) after surgery. Polytherapy use decreased from 54% preoperatively to 18% at last follow up. Seizures recurred in six patients (27% of 22); three became seizure-free after AED adjustments. Conclusions: In our practice, using an individualized approach to AED reduction following successful epilepsy surgery resulted in early reduction in AEDs. Our data suggest that early AED reduction can be performed safely and without undue risk of seizure recurrence.

Original languageEnglish
Pages (from-to)434-437
Number of pages4
JournalSeizure : the journal of the British Epilepsy Association
Volume13
Issue number6
DOIs
StatePublished - Sep 2004
Externally publishedYes

Keywords

  • Anterior temporal lobectomy
  • Antiepileptic drug reduction
  • Epilepsy surgery
  • Intractable seizures

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