Late-Onset Epilepsy in Elderly Patients: Common Characteristics and Prognostic Factors

Strategic Insights -

Elderly patients with late-onset epilepsy (LOE) have unique characteristics and comorbidities that significantly affect their prognosis. A recent study conducted in the Eastern Region of Hefei, Anhui, has analyzed the basic characteristics, comorbidities, and prognosis of 304 elderly patients with LOE. The research found that ischemic cerebral infarction (41.12%) was the main factor for LOE, and focal seizure (92.76%) was the most common seizure type.

Key Takeaways:

  • Ischemic cerebral infarction (41.12%) was the main factor for LOE in elderly patients, followed by cerebral hemorrhage (22.37%).
  • Focal seizure (92.76%) was the main seizure type in patients with LOE.
  • The most common comorbidity was ischemic cerebral infarction (88.16%), followed by cerebral hemorrhage (22.37%).
  • Patients with comorbid psychiatric disorders, cognitive impairment, or dementia had a significantly lower one-year treatment efficacy (45.43%) compared to patients without these comorbidities (73.03%).
  • Structural factors are the main etiology for LOE in elderly patients, with ischemic cerebral infarction accounting for the highest proportion.
  • Sodium valproate accounted for the most commonly used medication in patients with LOE (86.84%).
  • The one-year treatment efficacy of patients with LOE was 73.03%, and 49.34% of patients were seizure-free.

Statistics:

  • Ischemic cerebral infarction accounted for 41.12% of the main factors for LOE in elderly patients.
  • Focal seizure was the main seizure type in 92.76% of patients with LOE.
  • Ischemic cerebral infarction was the most common comorbidity (88.16%).
  • Patients with comorbid psychiatric disorders, cognitive impairment, or dementia had a one-year treatment efficacy of 45.43%.
  • Sodium valproate was the most commonly used medication in patients with LOE (86.84%).
  • The one-year treatment efficacy of patients with LOE was 73.03%.

Sources:

  • Clinical Features and Prognostic Analysis of Elderly Patients With Late-Onset Epilepsy. Brain and Behavior, 2025;15(4).