Key result
Chronic epilepsy and antiseizure drugs are linked to cardiac electrical instability and life-threatening arrhythmias.
Why the study?
The link between chronic epilepsy and development of an epileptic heart condition with increased cardiac electrical instability and arrhythmias was conceptualized but not fully characterized.
Does chronic epilepsy and the use of certain antiseizure medications lead to the development of an 'epileptic heart' with increased risk of arrhythmias?
Does chronic epilepsy and the use of certain antiseizure medications lead to the development of an 'epileptic heart' with increased risk of arrhythmias?
Chronic epilepsy and repeated seizures can result in an 'epileptic heart' marked by severe electrical instability and lethal arrhythmias like ventricular fibrillation.
Conceptual framework of the link between chronic epilepsy and development of an ‘epileptic heart’ condition due to cardiotoxic effects of catecholamines, repeated hypoxaemia, with increased cardiac electrical instability manifest as T-wave alternans, a repeating ABAB beat-to-beat pattern in the ST-segment and T wave of the ECG, and atrial and ventricular arrhythmias.1 Certain antiseizure medications (ASMs) with sodium channel-blocking properties and enzyme-inducing actions can promote both proarrhythmia and hyperlipidaemia.2 The ECG tracings were obtained from a case report of a 51-year-old woman admitted to the epilepsy monitoring unit for video-EEG monitoring who developed ventricular fibrillation following right temporal lobe seizure that required electrical defibrillation.3
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Verrier et al. (2023) conducted a review in Chronic epilepsy and epileptic heart condition (n=1). Chronic epilepsy and antiseizure medications was evaluated on Atrial and ventricular arrhythmias. Chronic epilepsy and certain antiseizure medications are linked to an 'epileptic heart' condition, manifesting as cardiac electrical instability and increased risk of life-threatening arrhythmias.
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