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Related Experiment Video

Updated: Jan 18, 2026

Robotic Ablation of Atrial Fibrillation
11:21

Robotic Ablation of Atrial Fibrillation

Published on: May 29, 2015

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Atrial fibrillation laser balloon ablation: Multicenter international study.

Cristian Martignani1, Giovanni Rovaris2, Roland R Tilz3

  • 1Cardiology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.

Heart Rhythm O2
|January 16, 2026
PubMed

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Single-shot ablation for AF: Real-world procedural and one-year outcomes with the newly adopted PulseSelect PFA compared with cryoballoon from the 1STOP project.

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Summary

The third-generation visually guided laser balloon (VGLB) offers a safe and effective treatment for atrial fibrillation (AF). Achieving long-term freedom from AF is possible, with operator experience significantly impacting success rates.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • Pulmonary vein isolation (PVI) for atrial fibrillation (AF) presents ongoing challenges.
  • The visually guided laser balloon (VGLB) is a novel single-shot technology designed to simplify PVI procedures.

Purpose of the Study:

  • To evaluate the real-world safety and long-term effectiveness of the third-generation VGLB system.
  • To assess VGLB efficacy in treating both paroxysmal and persistent forms of AF.

Main Methods:

  • A prospective, multicenter registry involving 427 patients undergoing VGLB-PVI.
  • Safety assessment in all patients; primary effectiveness endpoint (12-month freedom from AF) analyzed in 392 patients.
  • Cox regression models utilized to identify predictors of AF recurrence.
Keywords:
Atrial fibrillationCatheter ablationEffectivenessLaser balloonLearning curvePulmonary vein isolationSafetySingle-shot ablation

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Last Updated: Jan 18, 2026

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Main Results:

  • Acute PVI was successfully achieved in all targeted veins with a favorable safety profile.
  • 12-month freedom from AF recurrence off antiarrhythmic drugs was 73.8%, increasing to 77.7% post-learning curve.
  • Independent predictors of recurrence included procedures within the learning curve, congestive heart failure, and anatomic variants.

Conclusions:

  • Third-generation VGLB ablation is a safe and effective strategy for achieving long-term freedom from AF in a real-world setting.
  • Operator experience beyond the initial learning curve is crucial for optimizing VGLB success rates.
  • VGLB represents a viable and effective option for PVI.