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January 1, 2016Arrhythmia & Electrophysiology ReviewOpen Access

Classification, Electrophysiological Features and Therapy of Atrioventricular Nodal Reentrant Tachycardia

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Key result

AVNRT ablation should target the anatomic slow pathway instead of the fast pathway.

Population

Patients with atrioventricular nodal reentrant tachycardia (AVNRT)

Design

Review

Authors

DKDemosthenes G. KatritsisMJMark E. Josephson

Discussion

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Overview

Supports anatomic slow pathway targeting in AVNRT ablation; leaves open prospective validation of alternative strategies.

Key Points

  • This review aims to clarify the classification, electrophysiological features, and treatment approaches for atrioventricular nodal reentrant tachycardia (AVNRT).
  • Classified AVNRT into typical and atypical forms.
  • Examined retrograde atrial activation patterns during tachycardia.
  • Discussed anatomic targets for ablation, focusing on the slow pathway.
  • Found that retrograde atrial activation is not a reliable diagnostic criterion.
  • Ablation should primarily target the slow pathway anatomically for effective treatment.
  • No evidence supports the need for assessing a 'lower common pathway' in clinical practice.

Structured PICO

P
Population
Patients with atrioventricular nodal reentrant tachycardia (AVNRT)
I
Intervention
Ablation directed towards the anatomic position of the slow pathway

This review emphasizes that AVNRT ablation should target the anatomic position of the slow pathway rather than earliest atrial activation sites or the fast pathway.

Cite This Study

Katritsis et al. (2016) conducted a review in Atrioventricular nodal reentrant tachycardia (AVNRT). Ablation was evaluated. Ablation for atrioventricular nodal reentrant tachycardia should target the anatomic position of the slow pathway, as targeting the fast pathway or earliest atrial activation sites is not justified.

synapsesocial.com/papers/6a07b49644ff8ad339f69b6chttps://doi.org/10.15420/aer.2016.18.2
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