Why the study?
Exercise-induced vasovagal syncope is rarely reported, and the underlying mechanisms of vasovagal syncope are not well understood.
Ganglionated plexi ablation is presented as a potential treatment for the rarely reported condition of exercise-induced vasovagal syncope.
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Exercise-induced VVS warrants consideration in syncope evaluation; case reports leave open mechanistic and management questions.
Vasovagal syncope (VVS) is the most frequent cause of a transient loss of consciousness in patients without apparent cardiac or neurological pathology. There are many triggers for VVS, including prolonged standing, changes in posture, medications, temperature, alcohol consumption, and mood changes. Exercise-induced VVS is rarely reported. The underlying mechanisms of VVS are not well understood. Dysregulation of the Bezold–Jarisch reflex, owing to the unbalance of vagal vs sympathetic tone, is considered to be part of the pathogenesis.
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Hong et al. (2020) studied this question.
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