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Which patients become seizure free with antiepileptic drugs? An observational study in 821 patients with epilepsy
J Bauer1, L Buchmüller, M Reuber
1Department of Epileptology, University of Bonn, Germany. juergen.bauer@ukb.uni-bonn.de
Objectives:
Analysis of factors influencing seizure outcome in antiepileptic drug treatment of epilepsy.
Patients And Methods:
Retrospective analysis of 500 patients with complete seizure control and 321 patients with refractory epilepsy (mean ages 33.3 and 32.1 years respectively).
Results:
The seizure-free group consisted of 377 patients with symptomatic/cryptogenic epilepsy (SCE; mean seizure control 45 months) and 123 patients with idiopathic generalized epilepsy (IGE; mean seizure control 61 months) (P = 0.02). Of the patients with SCE, 35.7% had achieved seizure control with monotherapy (MT), 29.6% with >or=2 AEDs. No single AED was superior in MT. Of the patients with IGE, 35.9% had become seizure free with MT, 15.6% on combination therapy (CT). Valproate MT was more commonly associated with seizure freedom than lamotrigine (P < 0.05).
Conclusions:
The results indicate that, in SCE, seizures can be controlled with carefully selected CT more commonly than suggested by previous studies. The seizure prognosis of patients with IGE presenting to a specialist in epilepsy may be worse than previously thought.
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