Key result
Cardiac pacing demonstrated efficacy for carotid sinus syndrome across multiple trials, whereas evidence fails to support the use of beta-blockers or other pharmacologic therapies for vasovagal syncope.
Why the study?
Do pharmacologic therapies or cardiac pacing prevent events in patients with neurally mediated syncope?
Do pharmacologic therapies or cardiac pacing prevent events in patients with neurally mediated syncope?
This review highlights that while cardiac pacing is effective for carotid sinus syndrome, there is insufficient evidence to support pharmacologic therapy for vasovagal syncope.
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Supports pacing for carotid sinus syndrome but cautions against beta-blockers in vasovagal syncope; leaves open need for new pharmacologic trials.
Michele Brignole (2003) conducted a review in Neurally mediated syncope (vasovagal syncope and carotid sinus syndrome). Pharmacologic therapy (including beta-blockers) and cardiac pacing vs. Placebo or no pacing was evaluated. Cardiac pacing demonstrated efficacy for carotid sinus syndrome across multiple trials, whereas evidence fails to support the use of beta-blockers or other pharmacologic therapies for vasovagal syncope.
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