Why the study?
Heart rate variability was compared between sudden unexpected death in epilepsy (SUDEP) cases and living epilepsy controls to evaluate its association with SUDEP.
Is heart rate variability associated with sudden unexpected death in epilepsy in patients admitted for video-EEG monitoring?
Population
31 SUDEP cases and 56 controls admitted for video-EEG monitoring
Comparison
SUDEP cases vs living epilepsy controls
Design
International, multicenter, retrospective, nested case-control study
Authors
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Interictal HRV differences may flag SUDEP vulnerability; leaves open whether autonomic markers improve risk stratification in epilepsy.
Is heart rate variability associated with sudden unexpected death in epilepsy in patients admitted for video-EEG monitoring?
Reduced short-term low-frequency power of heart rate variability is associated with sudden unexpected death in epilepsy, suggesting HRV quantification may help stratify individual SUDEP risk.
Sivathamboo et al. (2021) studied this question.
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