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Overall, seizure-free patients had a lower mortality rate than those with persistent seizures. This was true for the subset of patients with localized resection or multiple subpial transection. No patients died among 199 with no seizure r ecurrence, whereas of 194 patients with seizure recurrence, 11 died. Six of the deaths were sudden and unexplained. Most patients who died had a substantial reduction in postoperative seizure frequency. The standardized mortality ratio for patients wit h recurrent seizures was 4.69, and the risk of death in these patients was 1.37 in 100 person-years, whereas among patients who became seizure free, there was no difference in mortality rate compared with the age- and sex-matched population of the United States. Elimination of seizures after surgery reduces mortality rates in people with epilepsy to a level indistinguishable from that of the general population, whereas patients with recurrent seizures continue to suffer from high mortality rates. This s uggest that uncontrolled seizures are a major risk factor for excess mortality in epilepsy. Achieving complete seizure control with epilepsy surgery in refractory patients reduces the risk of death, so the long-term risk of continuing medical treatment a ppears to be higher than the risk of epilepsy surgery in suitable conditions. |
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anticonvulsants,effectiveness
mortality
prognosis
seizure
seizure,intractable
seizure,intractable,treatment of
seizure,prognosis in adults
seizure,prognosis in childhood
seizure,surgical treatment of
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treatment of neurologic disorder
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