• D J Costello, D C Shields, S S Cash, E N Eskandar, G R Cosgrove, and A J Cole.
• Epilepsy Service, Department of Neurology, Harvard Medical School, ACC 835, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA. djcostello@partners.org
• Clin Neurol Neurosurg. 2009 Apr 1; 111 (3): 240-5.

ObjectivesEpilepsy surgery is performed less frequently in persons over 45 years of age than in younger individuals, probably reflecting biases among patients, referring physicians and neurologists.MethodsWe report on a clinically heterogeneous cohort of patients aged 45 years or older who underwent epilepsy surgery for medically intractable epilepsy.ResultsOver a 15-year period, 42 patients with a mean duration of epilepsy of 27.3 years underwent elective surgery. The mean follow-up period was 48 months. Thirty-two patients had an Engel class I outcome, of which 23 were totally seizure-free (Ia). Six patients had a class II outcome (rare disabling seizures), one had a class III outcome (worthwhile improvement), and three had a class IV outcome (no worthwhile improvement). The majority of patients reported an improved quality of life and satisfaction with the epilepsy surgery. A subjective improvement in cognition was reported in 7 patients while a decline was reported in 10 patients. New neuropsychiatric difficulties were reported in three patients while three patients reported improved anxiety after surgery. Only one patient became newly employed after surgery while 23 returned to driving. Permanent complications occurred in four patients (thalamic infarct during a Wada test (n=1) and asymptomatic visual field defect (n=3)).ConclusionsWe report a favorable outcome from epilepsy surgery in a large series of older adults and conclude that age per se is not a contraindication to epilepsy surgery. We emphasize the lack of correlation between outcome from surgery and pre-operative duration of epilepsy.

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