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Visually guided laser ablation: a single-centre long-term experience.

Lucie Šedivá1, Jan Petrů2, Jan Škoda2

  • 1Department of Cardiology, Na Homolce Hospital, Roentgenova 2, Prague 5 150 30, Czech Republic sedivalucie@gmail.com.

Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology
|July 18, 2014
PubMed
Summary
This summary is machine-generated.

Visually guided laser ablation (VGLA) provides durable pulmonary vein isolation (PVI) for atrial fibrillation (AF) patients. Long-term outcomes show sustained freedom from AF in over 75% of paroxysmal AF patients up to 4 years.

Keywords:
Atrial fibrillationCatheter ablationVisually guided laser ablation

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Area of Science:

  • Electrophysiology
  • Cardiovascular Medicine
  • Minimally Invasive Procedures

Background:

  • Pulmonary vein isolation (PVI) is crucial for treating atrial fibrillation (AF).
  • Visually guided laser ablation (VGLA) is a safe and effective method for achieving PVI.
  • Long-term outcomes of VGLA in a high-volume center are not extensively documented.

Purpose of the Study:

  • To evaluate the long-term clinical outcomes of VGLA for treating paroxysmal atrial fibrillation (PAF) and persistent AF.
  • To assess the durability of PVI achieved with VGLA over a 4-year period.
  • To report procedural data and complications associated with VGLA.

Main Methods:

  • A retrospective analysis of 194 patients (PAF and persistent AF) treated with VGLA between 2009 and 2013.
  • Standard follow-up protocols including Holter monitoring and ECGs at multiple time points.
  • Assessment of AF recurrence defined as any episode >30 seconds.

Main Results:

  • 194 patients underwent VGLA, with 692 veins acutely isolated.
  • At 1 year, 82.3% of PAF patients and 75% of persistent AF patients were AF-free.
  • Long-term follow-up showed sustained AF freedom rates of approximately 75% in PAF patients up to 48 months.
  • Peri-procedural complications included phrenic nerve injury (2.06%), tamponade (0.51%), stroke (0.51%), and vascular injury (3.09%). No PV stenosis or atrio-esophageal fistula occurred.

Conclusions:

  • VGLA is a safe and effective treatment for AF in clinical practice.
  • The procedure achieves high rates of acute PVI with good long-term clinical outcomes.
  • Sustained freedom from AF is achievable with VGLA, even after extended follow-up periods.