Electrogram criteria for identification of appropriate target sites for radiofrequency catheter ablation of accessory: Atrioventricular connections

Hugh Calkins, Yoon Nyun Kim, Steve Schmaltz, Joao Sousa, Rafel El-Atassi, Angel Leon, Alan Kadish, Jonathan J. Langberg, Fred Morady

Research output: Contribution to journalArticle

Abstract

Background. Catheter ablation of accessory atrioventricular (AV) connections using radiofrequency current has been demonstrated to be effective in the majority of patients with the Wolff-Parkinson-White syndrome or paroxysmal supraventricular tachycardia involving a concealed accessory AV connection. However, electrogram criteria have not been established to guide attempts at radiofrequency catheter ablation. Methods and Results. The characteristics of local electrograms recorded at successful and unsuccessful sites of radiofrequency catheter ablation were determined in 132 patients. Electrograms recorded at a total of 438 sites were analyzed: 338 recorded during ablation of 90 manifest accessory AV connections and 100 recorded during ablation of 44 concealed accessory AV connections. During ablation of manifest accessory AV connections, the independent predictors of outcome were electrogram stability (p

Original languageEnglish (US)
Pages (from-to)565-573
Number of pages9
JournalCirculation
Volume85
Issue number2
StatePublished - Feb 1992
Externally publishedYes

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Catheter Ablation
Paroxysmal Tachycardia
Wolff-Parkinson-White Syndrome
Supraventricular Tachycardia

Keywords

  • Catheter ablation
  • Radiofrequency energy
  • Wolff-Parkinson-White syndrome

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Electrogram criteria for identification of appropriate target sites for radiofrequency catheter ablation of accessory : Atrioventricular connections. / Calkins, Hugh; Kim, Yoon Nyun; Schmaltz, Steve; Sousa, Joao; El-Atassi, Rafel; Leon, Angel; Kadish, Alan; Langberg, Jonathan J.; Morady, Fred.

In: Circulation, Vol. 85, No. 2, 02.1992, p. 565-573.

Research output: Contribution to journalArticle

Calkins, H, Kim, YN, Schmaltz, S, Sousa, J, El-Atassi, R, Leon, A, Kadish, A, Langberg, JJ & Morady, F 1992, 'Electrogram criteria for identification of appropriate target sites for radiofrequency catheter ablation of accessory: Atrioventricular connections', Circulation, vol. 85, no. 2, pp. 565-573.
Calkins, Hugh ; Kim, Yoon Nyun ; Schmaltz, Steve ; Sousa, Joao ; El-Atassi, Rafel ; Leon, Angel ; Kadish, Alan ; Langberg, Jonathan J. ; Morady, Fred. / Electrogram criteria for identification of appropriate target sites for radiofrequency catheter ablation of accessory : Atrioventricular connections. In: Circulation. 1992 ; Vol. 85, No. 2. pp. 565-573.
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