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September 10, 2025Journal of ArrhythmologyOpen Access

Comparative analysis of three-year efficacy of catheter ablation of atrial fibrillation using the Ablation Index module and the second-generation cryoballoon

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Authors

SASardor N. AzizovFederal State Budgetary Institution "Federal Center For Cardiovascular Surgery" Ministry of Health of The Russian FederationRKR. D. KhuziakhmetovFederal State Budgetary Institution "Federal Center For Cardiovascular Surgery" Ministry of Health of The Russian FederationVLV. V. LyashenkoMedical Technologies (Czechia)

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Overview

Observational analysis compares efficacy of radiofrequency ablation with Ablation Index to cryoballoon efficacy, indicating similar outcomes.

Key Points

  • The three-year efficacy of radiofrequency ablation and cryoballoon was comparable, with freedom from atrial tachyarrhythmias at 61% and 62% respectively.
  • AF recurrence rates were significantly lower in the RFA group during the blanking period, showing 1.8% compared to 9.0% in the CBA group.
  • Both techniques had similar complication rates, with RFA at 3.6% and CBA at 4.5%, indicating safety of both methods.
  • Procedure duration was shorter for cryoablation, averaging 83.9 minutes compared to 92.7 minutes for radiofrequency ablation.

Cite This Study

Azizov et al. (2025) studied this question.

synapsesocial.com/papers/68c23caeb210217d6478a5a7https://doi.org/10.35336/va-1504
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  1. 12024 ESC Guidelines for the management of atrial fibrillation developed in collaboration with the European Association for Cardio-Thoracic Surgery (EACTS)2024 · 2,908 citations
  2. 2Cryoballoon or Radiofrequency Ablation for Paroxysmal Atrial Fibrillation2016 · 1,959 citations