New Epilepsy Definition Leads to Higher Diagnosis and Treatment Rate

Strategic Insights -

A recent study published in the journal Frontiers in Neurology has revealed that the new International League Against Epilepsy (ILAE) definition of epilepsy has led to a higher frequency of epilepsy diagnosis and treatment. The study investigated the clinical impact of the new ILAE definition on diagnosis, treatment, and short-term outcome in 235 adult patients admitted with a first epileptic seizure from 2018 to 2021.

Key Takeaways:

  • The new ILAE definition resulted in a diagnosis of epilepsy in 62.1 percent of patients, with 49.3 percent having potential epileptogenic lesions on imaging.
  • At six months of follow-up, 77.3 percent of patients were seizure-free, including 70.6 percent of those diagnosed with epilepsy.
  • At 12 months of follow-up, 80.6 percent of patients were seizure-free, with a one-year recurrence rate of 19.4 percent.
  • The use of antiseizure medicine significantly decreased the recurrence rate (odds ratio, 0.46).
  • The study suggests that the new definition of epilepsy has improved short-term outcomes and led to increased treatment.
  • Several authors disclosed ties to the pharmaceutical industry.
  • Dr. Lena Habermehl, the lead researcher, and colleagues from the Epilepsy Center Hessen at Philipps-University Marburg in Germany conducted the study.

Statistics:

  • 62.1 percent of patients were diagnosed with epilepsy following the new ILAE criteria.
  • 49.3 percent of patients diagnosed with epilepsy had potential epileptogenic lesions on imaging.
  • 77.3 percent of patients were seizure-free at six months of follow-up.
  • 70.6 percent of patients diagnosed with epilepsy were seizure-free at six months of follow-up.
  • 80.6 percent of patients were seizure-free at 12 months of follow-up.
  • The one-year recurrence rate was 19.4 percent.
  • The use of antiseizure medicine reduced the recurrence rate by a factor of 0.46.

Sources:

  • Habermehl, et al. (2025, March 23). Clinical Impact of the New ILAE Epilepsy Definition on Diagnosis, Treatment, and Short-Term Outcome. Frontiers in Neurology.