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An underestimation of epileptic seizures occurring in aged patients is likely.In an epidemiological survey undertaken in Southwest France,the annual incidence rate per 100,000 persons 60 years or older was 127.2 for all seizures(101.3 in persons aged 60 to 69,150.4 in those aged 70 to 79, and 139.9 in persons 80 years or older).It was 34.1 for symptomatic localization-related and undetermined epilepsies,16.1 for isolated seizures,and 77.0 for seizures related to an acute situation,such as metabolic derangements,stroke,or head trauma.In this survey,seizures with an onset age of 60 or older represented 28.0%of the confirmed epilepsies, 17.5%of the isolated seizures,and 52.6%of the acute symptomatic seizures. These figures differ dramatically from those in most previous reports concluding that age-specific incidence declined through adult life.They are closer to the data from more recent reports.The main reason for such a high incidence of epileptic seizures in elderly patients is the number of acute symptomatic(or situation-related)seizures.However,even chronic epilepsies increase in frequency in aging persons.Cerebrovascular disease was the most frequently recognized origin(53.9%of the patients with confirmed epilepsies)and brain tumor was found in 32.9%of the patients. |
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cerebral cortical atrophy
cerebrovascular accident
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cerebrovascular disease
neoplasm,metastatic to CNS
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neoplasm,primary of CNS-aged
old age,neurology of
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