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nMARQ Ablation for Atrial Fibrillation: Results from a Multicenter Study
Saagar Mahida1, Darren A Hooks1, Karin Nentwich2
1Hôpital Cardiologique du Haut-Lévêque and Université de Bordeaux, Bordeaux, Equipex MUSIC ANR-11-EQPX-0030, IHU LIRYC ANR-10-IAHU-04, Germany.
Journal of Cardiovascular Electrophysiology
|April 29, 2015
Summary
The nMARQ catheter offers a safe and effective method for atrial fibrillation ablation, achieving high acute success rates and shorter procedure times for pulmonary vein isolation.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Devices
Background:
- The nMARQ catheter is a novel multipolar device for simultaneous pulmonary vein (PV) ablation.
- Atrial fibrillation (AF) ablation aims to isolate PVs to restore normal heart rhythm.
Purpose of the Study:
- To evaluate the safety and efficacy of the nMARQ catheter for AF ablation.
- To assess procedural outcomes and long-term arrhythmia freedom.
Main Methods:
- A multicenter study included patients with drug-refractory AF undergoing ablation with the nMARQ catheter.
- Procedural success, adverse events, and 1-year follow-up outcomes were documented.
Main Results:
- 99.6% of pulmonary veins were successfully isolated using the nMARQ catheter alone.
- Procedure times were relatively short, with major adverse events in 0.5% of patients.
- At 1 year, 65% of paroxysmal AF patients and 65% of persistent AF patients were free from arrhythmia.
Conclusions:
- AF ablation using the nMARQ catheter demonstrates high acute success and efficient procedure times.
- Further investigation is warranted to fully understand the long-term effectiveness of this technology.
