Prognosis
Nearly two-thirds of patients with focal seizures achieve adequate seizure control with anticonvulsant drugs, either monotherapy or polytherapy. There is little evidence to guide the timing of medication withdrawal in seizure-free adults, but most patients are treated with anticonvulsants for at least 2 years.[165]
Up to 50% of patients have been reported to be drug-free at 5 years after surgery for focal seizures, with the likelihood higher among children. Factors that influence the outcomes of surgery include histopathological diagnosis, age at surgery, and duration of epilepsy.[170]
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