Abstract
Thirty percent of patients with epilepsy have recurrent seizures, representing fifteen million people in the world. This population has been scarcely described. To characterize sociodemographic and clinically the patients diagnosed with refractory epilepsy in a tertiary referral hospital of the Costa Rican social security. This study presents an analysis of all cases of refractory epilepsy evaluated at the epilepsy unit of San Juan de Dios Hospital from August, 2012 to October, 2014. Clinical records of 91 patients were studied; patients with psychogenic seizures were analyzed separately. The mean age of onset was 13.1 ± 11.1 years, secondary generalized seizures were the predominant type (81.3%), the most frequent etiology was mesial temporal sclerosis (48.3%) and the majority had normal neurological exams and normal or low neuropsychological assessments. Around half (48.8%) of the patients had been medicated with a range of 4-6 antiepileptic drugs, being lamotrigine, carbamazepine, valproic acid and phenytoin the most prescribed. Treatment optimization, neurosurgery, and further analysis were standard recommendations. Sociodemographic characteristics, patient management, and antiepileptic drugs used are similar to the described in other latitudes. Differences between the age of onset and gender; seizure frequency and gender; age of onset and failed treatments and time of evolution of the disease and employment were observed. The percentage and characteristics of recurrent seizures of psychogenic nature found are comparable to other refractory epilepsy studies. Sociodemographic characteristics, management of patients, antiepileptic drugs used and the differences observed are similar to those previously described.
Published Version
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