Journal Article

Autonomic effects of radiofrequency catheter ablation

F. Duru, U. Bauersfeld and R. Candinas

in EP Europace

Published on behalf of European Heart Rhythm Association of the European Society of Cardiology (ESC)

Volume 2, issue 2, pages 181-185
Published in print April 2000 | ISSN: 1099-5129
Published online April 2000 | e-ISSN: 1532-2092 | DOI:
Autonomic effects of radiofrequency catheter ablation

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Radiofrequency (RF) catheter ablation has become the treatment of choice for a variety of supraventricular tachycardias. Autonomic dysfunction may occur during application of RF current; these abnormalities resolve quickly when current delivery is terminated. We present a case of sinus node arrest and AV block in a 69-year-old woman induced by RF catheter ablation of an AV nodal slow pathway. The proposed mechanisms are a Bezold-Jarisch-like phenomenon or paradoxical activation of cardiac C fibres by direct neural sympathetic stimulation or RF-induced myocardial injury. Based on a review of previously published reports, autonomic effects of RF ablation are discussed.

Keywords: Radiofrequency ablation; AV nodal reentrant tachycardia; slow pathway; asystole; autonomic dysfunction

Journal Article.  0 words. 

Subjects: Cardiovascular Medicine

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