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January 10, 2006EP Europace

Long-term safety and efficacy of slow pathway ablation in patients with atrioventricular nodal re-entrant tachycardia and pre-existing prolonged PR interval

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Why the study?

Is slow pathway ablation safe and effective in patients with AVNRT and pre-existing prolonged PR interval?

Population

10 patients with atrioventricular nodal re-entrant tachycardia and pre-existing prolonged PR interval, mean…

Design

Case_series

Follow-up

mean 39 +/- 21 months

Authors

JPJean Luc PasquiéJSJ. ScalziJMJean Christophe Macia

Discussion

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Overview

May support slow pathway ablation in AVNRT with prolonged PR; leaves open confirmation in prospective cohorts.

Structured PICO

Is slow pathway ablation safe and effective in patients with AVNRT and pre-existing prolonged PR interval?

P
Population
10 patients (4 males, 6 females) with atrioventricular nodal re-entrant tachycardia (AVNRT) (slow-fast subtype) and pre-existing prolonged PR interval, mean age 69 +/- 15 years.
I
Intervention
Radiofrequency (RF) slow pathway ablation
O
Outcome
Long-term efficacy (recurrence of tachycardia) and safety (immediate and delayed AV block)safety

Slow pathway ablation appears safe and effective in patients with AVNRT and pre-existing prolonged PR interval, without causing delayed AV block during long-term follow-up.

Cite This Study

Pasquié et al. (2006) studied this question.

synapsesocial.com/papers/6a704536f44fa9f079ddd930https://doi.org/10.1093/europace/euj037
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Also Consider

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

  1. 1Selective transcatheter ablation of the fast and slow pathways using radiofrequency energy in patients with atrioventricular nodal reentrant tachycardia.1992 · 491 citations
  2. 2Selective radiofrequency ablation of the slow pathway for the treatment of atrioventricular nodal reentrant tachycardia. Evidence for involvement of perinodal myocardium within the reentrant circuit.1992 · 354 citations
  3. 3Elimination of atrioventricular nodal reentrant tachycardia using discrete slow potentials to guide application of radiofrequency energy.1992 · 609 citations
  4. 4Catheter modification of the atrioventricular junction with radiofrequency energy for control of atrioventricular nodal reentry tachycardia.1991 · 339 citations
  5. 5Cryothermal Ablation of the Slow Pathway for the Elimination of Atrioventricular Nodal Reentrant Tachycardia2000 · 210 citations