Cardiac Pacing for Vasovagal Syncope: A Reasonable Therapeutic Option?

A number of studies have evaluated the effect of cardiac pacing for prevention of tilt induced vasovagal syncope. The findings are relatively consistent. Pacing does not prevent the onset of vasovagal syncope. This is predictable since hypotension (vasodepressor effect) typically occurs prior to bra...

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Bibliographic Details
Published in:Pacing and clinical electrophysiology 1997-03, Vol.20 (3), p.824-826
Main Authors: PETERSEN, MARK E.V., SUTTON, RICHARD
Format: Article
Language:English
Subjects:
Bradycardia - physiopathology
Cardiac Pacing, Artificial
Evaluation Studies as Topic
Humans
Hypotension - physiopathology
pacemaker
Recurrence
Retrospective Studies
Syncope, Vasovagal - physiopathology
Syncope, Vasovagal - prevention & control
Syncope, Vasovagal - therapy
Tilt-Table Test
vasovagal syncope
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Summary:A number of studies have evaluated the effect of cardiac pacing for prevention of tilt induced vasovagal syncope. The findings are relatively consistent. Pacing does not prevent the onset of vasovagal syncope. This is predictable since hypotension (vasodepressor effect) typically occurs prior to bradycardia. However, dual chamber may prolong the presyncopal period in patients with a prominent cardioinhibitory component. Further, the relation of laboratory observations to spontaneous events is uncertain. In the largest retrospective assessment of pacing efficacy, 89% of patients reported improved symptoms and 62% remained free of symptom recurrence over 50 months.
ISSN:0147-8389
1540-8159
DOI:10.1111/j.1540-8159.1997.tb03913.x