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June 27, 2026EP EuropaceOpen Access

LFLT catheter achieves 100% acute PVI success with minimal early safety events.

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Why the study?

Does the LFLT dual-energy ablation catheter safely and effectively treat recurrent atrial tachyarrhythmia in patients with prior AF ablation?

Population

311 patients with recurrent atrial tachyarrhythmia after prior atrial fibrillation ablation, mean age 66 ±…

Design

Cohort

Follow-up

7 days

Key result

The LFLT catheter achieved 100% acute success for pulmonary vein isolation and 99.9% for linear lesions, with a 1.6% primary safety event rate at 7 days.

Authors

SBS BovedaKCK R J ChunGCG B Chierchia

Discussion

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Overview

May support lattice-tip catheter use in redo ATA ablation; leaves open durability and comparative efficacy.

Key Points

  • The study evaluates the acute performance and safety of the lattice-tip catheter in patients with recurrent atrial tachyarrhythmia after prior atrial fibrillation ablation.
  • Prospective, multi-center, observational analysis from APEX Registry
  • Inclusion of patients with recurrent atrial tachyarrhythmia after AF ablation
  • Evaluation of lesion sets, energy sources, acute success, and primary safety events
  • Acute success rate of 99.9% across 830 linear lesions
  • 100% acute success for pulmonary vein isolation across 280 treated PVs
  • Primary safety rate of 1.6%, with few serious complications observed

Study Design

Type

Observational (n=311)

Multicenter

Yes

Structured PICO

Does the LFLT dual-energy ablation catheter safely and effectively treat recurrent atrial tachyarrhythmia in patients with prior AF ablation?

P
Population
311 patients (mean age 66 years) with recurrent atrial tachyarrhythmia after prior AF ablation, treated with the LFLT catheter and evaluated for acute success and 7-day safety.
E
Exposure
All-in-one mapping and dual-energy radiofrequency (RF) and pulsed field (PF) ablation catheter with a large focal (9mm) lattice-tip (LFLT).
O
Outcome
Acute success and a predefined composite endpoint of primary safety events at 7 dayscomposite

The dual-energy lattice-tip catheter demonstrates high acute procedural success and a low 7-day complication rate for redo ablation in patients with recurrent atrial tachyarrhythmias.

Cite This Study

Boveda et al. (2026) conducted an observational in Recurrent atrial tachyarrhythmia after prior AF ablation (n=311). Lattice-tip (LFLT) ablation catheter was evaluated on Acute success and primary safety events at 7 days. The LFLT catheter achieved 100% acute success for pulmonary vein isolation and 99.9% for linear lesions, with a 1.6% primary safety event rate at 7 days.

synapsesocial.com/papers/6a3f97bb125782b61d865995https://doi.org/10.1093/europace/euag105.622
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Also Consider

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

  1. 1Anatomical ablation using a dual-energy contact force-sensing focal ablation catheter vs standard radiofrequency ablation catheter for persistent atrial fibrillation: a comparative prospective study2026
  2. 2Feasibility of mapping and ablation of atypical atrial flutter using a lattice-tip catheter toggling between radiofrequency and pulsed field energy2026
  3. 3Single-centre experience on persistent atrial fibrillation termination using a dual-energy lattice-tip catheter2026
  4. 4One-year outcomes of pentaspline versus circular pulsed field ablation catheters for pulmonary vein, roof line, and cavotricuspid isthmus ablation2026
  5. 5Ablation of extra pulmonary vein areas with two different pulsed field ablation catheters2026