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Related Experiment Videos

Mortality in epilepsy.

T Tomson1

  • 1Department of Clinical Neuroscience, Karolinska Institute, Karolinska Hospital, Stockholm, Sweden. torbt@neuro.ks.se

Journal of Neurology
|March 4, 2000
PubMed
Summary

Individuals with epilepsy face a 2-3 times higher mortality rate than the general population. This elevated risk is linked to underlying conditions and seizure-related events like sudden unexpected death (SUD).

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Area of Science:

  • Neurology
  • Epidemiology
  • Public Health

Background:

  • Persons with epilepsy exhibit a 2-3 fold increased mortality rate compared to the general population.
  • This excess mortality is particularly high in remote symptomatic epilepsy and also noted in idiopathic epilepsy.
  • Elevated mortality is most prominent in younger age groups and within the first 5-10 years post-diagnosis.

Purpose of the Study:

  • To investigate the causes and patterns of increased mortality in individuals with epilepsy.
  • To differentiate between mortality related to underlying disorders and seizure-related deaths.
  • To examine the incidence and risk factors for seizure-related mortality, including sudden unexpected death (SUD).

Main Methods:

  • Review of community-based and selected epilepsy population studies.
  • Analysis of standardized mortality ratios (SMRs) across different epilepsy types and age groups.
  • Examination of causes of death, including underlying disorders, accidents, status epilepticus, and SUD.

Main Results:

  • Mortality rates are significantly higher in epilepsy populations, with SMRs ranging from 1.8 to 5.3 for cerebrovascular diseases and increased deaths from neoplasms.
  • Seizure-related deaths, such as accidents, status epilepticus, and SUD, contribute significantly, especially in chronic epilepsy.
  • Sudden unexpected death (SUD) is a major cause of mortality in young adults with epilepsy, with risk strongly correlated to seizure frequency.

Conclusions:

  • The increased mortality in epilepsy is multifactorial, involving both the underlying causes of epilepsy and seizure-related events.
  • Sudden unexpected death (SUD) represents a significant, seizure-related cause of mortality, particularly in those with ongoing seizures.
  • Further research into the mechanisms of SUD is crucial for developing targeted interventions to reduce mortality in epilepsy patients.

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