Conduction block in the inferior vena caval-tricuspid valve isthmus: Association with outcome of radiofrequency ablation of type I atrial flutter

Q: What does this research mean for the field?

Achieving conduction block in the inferior vena caval-tricuspid valve isthmus is a key determinant of successful radiofrequency ablation and long-term suppression of type I atrial flutter. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

David Schwartzman; David J. Callans; Charles Gottlieb; Stephen M. Dillon; Colin Movsowitz; Francis E. Marchlinski

doi:10.1016/s0735-1097(96)00345-2

November 1, 1996Journal of the American College of CardiologyOpen Access

Conduction block in the inferior vena caval-tricuspid valve isthmus: Association with outcome of radiofrequency ablation of type I atrial flutter

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Why the study?

Does achieving isthmus conduction block during radiofrequency ablation prevent recurrence in patients with type I atrial flutter?

Structured PICO

Does achieving isthmus conduction block during radiofrequency ablation prevent recurrence in patients with type I atrial flutter?

P

Population

35 patients with type I atrial flutter

I

Intervention

Radiofrequency ablation in the inferior vena caval-tricuspid valve isthmus

C

Comparator

Three treatment groups: group 1 (radiofrequency energy applied during flutter until termination, n=14); group 2 (radiofrequency energy applied during atrial pacing until isthmus conduction block, n=14); group 3 (radiofrequency energy applied until flutter termination, then during pacing until isthmus conduction block, n=7)

O

Outcome

Isthmus conduction block and freedom from type I flutter recurrencesurrogate

Achieving isthmus conduction block during radiofrequency ablation of type I atrial flutter is associated with a high rate of freedom from flutter recurrence.

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Implication

Isthmus block may support durable success after type I flutter ablation; leaves open need for randomized confirmation of its necessity.

Abstract

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Cite This Study

Schwartzman et al. (1996) studied this question.

synapsesocial.com/papers/6a1d31b632d43530c25d9e80 https://doi.org/10.1016/s0735-1097(96)00345-2

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Conduction block in the inferior vena caval-tricuspid valve isthmus: Association with outcome of radiofrequency ablation of type I atrial flutter

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Conduction block in the inferior vena caval-tricuspid valve isthmus: Association with outcome of radiofrequency ablation of type I atrial flutter

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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