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[Post-stroke epilepsy].

Morten Ingvar Lossius1, Ole Morten Rønning, Leif Gjerstad

  • 1Stiftelse for helsetjenesteforskning og Nevrologisk avdeling, Akershus Universitetssykehus, 1474 Nordbyhagen. mlossius@heltef.no

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|March 9, 2004
PubMed
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Post-stroke epilepsy (PSE) affects 2.5% after one year, rising to 4.4% by five years. Severe strokes significantly increase PSE risk, highlighting the need for targeted management strategies.

Area of Science:

  • Neurology
  • Epileptology

Background:

  • Stroke is a leading cause of adult epilepsy, particularly in the elderly.
  • Post-stroke epilepsy (PSE) presents a significant clinical challenge due to high incidence and improved survival rates.
  • PSE is defined as two or more seizures occurring over four weeks post-stroke.

Purpose of the Study:

  • To investigate the incidence, predictors, pathophysiology, and prognosis of post-stroke epilepsy (PSE).

Main Methods:

  • Prospective study design with a comprehensive literature review.
  • Analysis of a well-defined population with a high admission rate for stroke patients.
  • Focus on identifying factors influencing PSE development and progression.

Main Results:

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  • Reported PSE incidence in literature varies widely (2.3%–43%).
  • Our study found a 2.5% incidence after one year, increasing to 4.4% by five years.
  • Severe strokes demonstrated a five-fold higher PSE incidence compared to minor strokes.

    • Conclusions:

    • Variations in incidence are attributed to patient populations, PSE definitions, and study designs.
    • The observed increase in PSE incidence from one to five years may indicate prolonged epileptogenesis or high morbidity.
    • Severe strokes are a significant risk factor, increasing PSE incidence substantially.