Sudden unexpected death in epilepsy (SUDEP): epilepsy-related risk factors

Evidence-based neurology checklist on sudden unexpected death in epilepsy (sudep): epilepsy-related risk factors: Pathological risk factors Dentate gyrus abnormalities Neuropeptide depletion in the amygdala Reduced cortical adenosine receptors Increased neuronal adenosine receptors Seizure-related…

Pathological risk factors

  • Dentate gyrus abnormalities
  • Neuropeptide depletion in the amygdala
  • Reduced cortical adenosine receptors
  • Increased neuronal adenosine receptors

Seizure-related risk factors

Epilepsy-related risk factors

Prolonged post-ictal generalised EEG suppression (PGES)

Sudden spontaneous atraumatic arterial dissections (SAAADs)

Antiepileptic drug (AED) related risk factors

Doubtful risk factors: polytherapy

Doubtful risk factors: others

References

  1. Kinney HC, Cryan JB, Haynes RL, et al. Dentate gyrus abnormalities in sudden unexplained death in infants: morphological marker of underlying brain vulnerability. Acta Neuropathol 2015; 129:65-80.
  2. Somani A, Perry C, Patodia S, et al. Neuropeptide depletion in the amygdala in sudden unexpected death in epilepsy: a postmortem study. Epilepsia 2020; 61:310-318.
  3. Patodia S, Paradiso B, Garcia M, Ellis M, Diehl B, Thom M, Devinsky O. Adenosine kinase and adenosine receptors A1 R and A2A R in temporal lobe epilepsy and hippocampal sclerosis and association with risk factors for SUDEP. Epilepsia 2020 (Epub ahead of print).
  4. Hesdorffer DC, Tomson T, Benn E, et al. Combined analysis of risk factors for SUDEP. Epilepsia 2011; 52:1150-1159.
  5. So EL, Bainbridge J, Buchhalter JR, et al. Report of the American Epilepsy Society and the Epilepsy Foundation Joint Task Force on sudden unexplained death in epilepsy. Epilepsia 2009; 50:917-922.
  6. And 19 more. Subscribe to see the full list

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