Why the study?
Is preoperative heart rate variability associated with surgery outcome in patients with refractory epilepsy?
Is preoperative heart rate variability associated with surgery outcome in patients with refractory epilepsy?
Reduced preoperative heart rate variability is associated with poor surgery outcomes and potentially increased risk of SUDEP in patients with refractory epilepsy.
Reduced preoperative HRV was associated with poor epilepsy surgery outcomes; leaves open its value for risk stratification.
Measurements of heart rate variability preoperatively indicate that patients with a poor outcome of surgery have a more pronounced impairment of sympathetic as well as parasympathetic cardiac control than those with good outcome. Reduced heart rate variability may be associated with an increased risk of sudden unexpected death among people with epilepsy (SUDEP). Good surgery candidates may a priori have a lower risk of SUDEP.
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Persson et al. (2005) studied this question.
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