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Prevention of sudden unexpected death in epilepsy: current status and future perspectives

Journal

EXPERT REVIEW OF NEUROTHERAPEUTICS
Volume 20, Issue 5, Pages 497-508

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/14737175.2020.1754195

Keywords

Epilepsy; sudden death; antiepileptic drugs; lamotrigine; tonic-clonic seizures; prevention; premature mortality; seizure detection devices

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Introduction: Sudden unexpected death in epilepsy (SUDEP) affects about 1 in 1000 people with epilepsy, and even more in medically refractory epilepsy. As most people are between 20 and 40 years when dying suddenly, SUDEP leads to a considerable loss of potential life years. The most important risk factors are nocturnal and tonic-clonic seizures, underscoring that supervision and effective seizure control are key elements for SUDEP prevention. The question of whether specific antiepileptic drugs are linked to SUDEP is still controversially discussed. Knowledge and education about SUDEP among health-care professionals, patients, and relatives are of outstanding importance for preventive measures to be taken, but still poor and widely neglected. Areas covered: This article reviews epidemiology, pathophysiology, risk factors, assessment of individual SUDEP risk and available measures for SUDEP prevention. Literature search was done using Medline and Pubmed in October 2019. Expert opinion: Significant advances in the understanding of SUDEP were made in the last decade which allow testing of novel strategies to prevent SUDEP. Promising current strategies target neuronal mechanisms of brain stem dysfunction, cardiac susceptibility for fatal arrhythmias, and reliable detection of tonic-clonic seizures using mobile health technologies.

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