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Risk factors for developing seizures after a stroke
M E Lancman1, A Golimstok, J Norscini
1Department of Neurology, Hospital Italiano, Buenos Aires, Argentina.
Epilepsia
|January 1, 1993
Summary
Stroke patients with hemorrhagic stroke, cortical lesions, or multi-lobe lesions face a higher risk of developing seizures. Early and late onset seizures occurred with similar frequency in this patient cohort.
Area of Science:
- Neurology
- Neurosurgery
- Stroke Medicine
Background:
- Stroke is a leading cause of acquired epilepsy.
- Predicting seizure risk after stroke is crucial for patient management.
Purpose of the Study:
- To identify risk factors for seizure development in stroke patients.
- To compare early-onset versus late-onset seizures post-stroke.
Main Methods:
- Prospective evaluation of 219 stroke patients (ischemic or hemorrhagic).
- Exclusion of patients with transient ischemic attacks or prior epilepsy.
- Mean follow-up of 11.5 months.
Main Results:
- 10.04% of stroke patients developed seizures.
- Hemorrhagic stroke (25%) and cortical lesions (17%) significantly increased seizure risk compared to ischemic stroke (7.1%) and subcortical lesions (4.7%).
- Lesions involving multiple lobes (21.2%) also elevated seizure risk.
Conclusions:
- Hemorrhagic stroke, cortical lesions, and multi-lobe lesions are significant risk factors for post-stroke seizures.
- Early and late-onset seizures did not differ based on stroke type, localization, or size.
- Further research into mechanisms and preventative strategies is warranted.