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P.009 Characterizing drug-resistant epilepsy in an adult cohort with new-onset epilepsy

  • A Denton (a1), L Hernandez-Ronquillo (a1), J Tellez-Zenteno (a1) and K Waterhouse (a1)

Abstract

Background: There are few studies exploring rates of drug resistant epilepsy in populations with new-onset epilepsy (NOE). This prospective cohort study characterizes the development of drug-resistant epilepsy (DRE) and risk factors in an adult cohort with NOE or newly-diagnosed epilepsy (NDE). Methods: Patients are from the Single Seizure Clinic (SSC) in Saskatoon, SK between 2011 and 2018. The SSC sees patients who experience their first seizure; approximately 30% are diagnosed with epilepsy. Patients were followed prospectively. We identified the following variables in the cohort: epilepsy type, seizure onset, etiology, syndromes, and rates of DRE. Inclusion criteria included patients with NO and NDE, at least 18 years at diagnosis, and a minimum 1 year of follow-up. Results: Ninety-five patients were included, 46 females and 49 males. Median age of onset was 33 years. Of those, 28.4% developed DRE. Average time between onset and DRE diagnosis was 1.44 years. Bivariate analysis identified age, gender, and cranial trauma as significant risk factors for DRE. The multivariate model was not significant. Conclusions: Our study shows that patients with new-onset epilepsy have are less likely to develop DRE compared with patients from epilepsy clinics. This study contributes valuable information about NO epilepsy in adults and the development of DRE.

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P.009 Characterizing drug-resistant epilepsy in an adult cohort with new-onset epilepsy

  • A Denton (a1), L Hernandez-Ronquillo (a1), J Tellez-Zenteno (a1) and K Waterhouse (a1)

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