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Early onset epilepsy is associated with increased mortality: a population-based study

Brian D Moseley1, Elaine C Wirrell, Lily C Wong-Kisiel

  • 1Divisions of Epilepsy and Clinical Neurophysiology, Department of Neurology, UCLA, Los Angeles, CA, USA. briandmoseley@gmail.com

Epilepsy Research
|April 16, 2013
PubMed

Insights

Children with early onset epilepsy face significantly higher mortality risks. Underlying causes, not seizures, are the primary drivers of death in these young patients.

Area of Science:

  • Pediatric Neurology
  • Epileptology
  • Clinical Epidemiology

Background:

  • Early onset epilepsy presents a significant health challenge in children.
  • Understanding mortality patterns is crucial for improving outcomes in pediatric epilepsy.

Purpose of the Study:

  • To investigate mortality rates and associated factors in children with early onset epilepsy.
  • To compare mortality in early onset epilepsy with the general pediatric population.

Main Methods:

  • Population-based cohort study design.
  • Analysis of mortality data including case fatality (CF), mortality rate (MR), and standardized mortality ratio (SMR).
  • Stratification of analysis for neonatal epilepsy (age < 1 month).

Main Results:

  • Children with early onset epilepsy exhibited significantly higher mortality (CF 8/60 vs. 8/407, p<0.001; MR 14.5/1000 vs. 2/1000 person years; SMR 22.25 vs. 5.67).
  • Mortality was markedly elevated in malignant neonatal epilepsy (CF 4/12 vs. 12/450, p<0.001; MR 54/1000 vs. 2.7/1000 person years; SMR 46.55 vs. 7.22).
  • Seizures were implicated in only 1/8 of early onset epilepsy deaths, suggesting etiology is a greater factor.

Conclusions:

  • Early onset epilepsy is associated with a substantially increased risk of mortality in children.
  • Malignant neonatal epilepsy carries an exceptionally high mortality burden.
  • The underlying etiology, rather than seizures, appears to be the predominant determinant of mortality in early onset epilepsy.

Keywords:
Early onset epilepsyMortalityNeonatal onset epilepsyPediatric epilepsy

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