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June 1, 1994Circulation

Radiofrequency catheter ablation of right atriofascicular (Mahaim) accessory pathways guided by accessory pathway activation potentials.

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Why the study?

Does radiofrequency catheter ablation guided by accessory pathway activation potentials eliminate AP conduction and prevent tachycardia recurrence in patients with right atriofascicular accessory pathways?

Population

26 consecutive patients referred for catheter ablation of an accessory pathway producing a preexcited…

Design

Case_series

Follow-up

18 +/- 13 months

Authors

JMJames H. McClellandAdventHealth OrlandoXWXingmin WangHuazhong University of Science and TechnologyKBKaren J. BeckmanElectrophysiology

Discussion

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Implication

Supports AP potential-guided ablation for right atriofascicular pathways; leaves open need for controlled confirmation in larger cohorts.

Structured PICO

Does radiofrequency catheter ablation guided by accessory pathway activation potentials eliminate AP conduction and prevent tachycardia recurrence in patients with right atriofascicular accessory pathways?

P
Population
26 consecutive patients referred for catheter ablation of an accessory pathway (AP) producing a preexcited (antidromic) atrioventricular (AV) reentrant tachycardia having a left bundle branch block pattern with short ventriculoatrial and long AV intervals, of which 23 (88.5%) had a right atriofascicular AP.
I
Intervention
Radiofrequency catheter ablation guided by accessory pathway (AP) activation potentials
O
Outcome
Elimination of accessory pathway conduction and recurrence of tachycardia

Radiofrequency catheter ablation guided by accessory pathway activation potentials is highly effective for localizing and eliminating conduction in right atriofascicular (Mahaim) accessory pathways.

Cite This Study

McClelland et al. (1994) studied this question.

synapsesocial.com/papers/6a728d4e78a11c550e0c478bhttps://doi.org/10.1161/01.cir.89.6.2655

Topics

AF ablation outcomes
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Congenital abnormalities of the conduction system in two patients with tachyarrhythmias.1979 · 50 citations
  2. 2Radiofrequency catheter ablation of Mahaim fibers at the tricuspid annulus.1993 · 103 citations
  3. 3Catheter ablation of Mahaim fibers with preservation of atrioventricular nodal conduction.1990 · 56 citations
  4. 4Factors Associated with Recurrence of Accessory Pathway Conduction After Radiofrequency Catheter Ablation1991 · 88 citations
  5. 5Atriofascicular connection or a nodoventricular Mahaim fiber? Electrophysiologic elucidation of the pathway and associated reentrant circuit.1988 · 206 citations