Selection of an impedance- or magnetic field-based electro-anatomical mapping platform does not affect outcomes of outflow tract premature ventricular complex manual ablation
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Published:2022-05-12
Issue:10
Volume:37
Page:1769-1775
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ISSN:0910-8327
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Container-title:Heart and Vessels
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language:en
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Short-container-title:Heart Vessels
Author:
Ábrahám PálORCID, Ambrus Mercédesz, Herczeg Szilvia, Szegedi Nándor, Nagy Klaudia Vivien, Salló Zoltán, Perge Péter, Osztheimer István, Széplaki Gábor, Tahin Tamás, Merkely Béla, Gellér László
Abstract
AbstractComparative data are virtually missing about the performance of different electro-anatomical mapping (EAM) system platforms on outflow tract (OT) premature ventricular complex (PVC) ablation outcomes with manual ablation catheters. We aimed to compare the acute success-, complication-, and long-term recurrence rates of impedance-based (IMP) and magnetic field-based (MAG) EAM platforms in manual OT PVC ablation. Single-centre, propensity score matched data of 39–39 patients ablated for OT PVCs in 2015–17 with IMP or MAG platforms were analysed. Acute success rate, peri-procedural complications, post-ablation daily PVC burden, and long-term recurrence rates were compared on intention-to-treat basis. Acute success rate was similar in the IMP and MAG group (77 vs. 82%, p = 0.78). There was a single case of femoral pseudo-aneurysm and no cardiac tamponade occurred. PVC burden fell significantly from baseline 24.0% [15.0–30.0%] to 3.3% [0.25–10.5%] (p < 0.001) post-ablation, with no difference between EAM platforms (IMP: 2.6% [0.5–12.0%] vs. MAG: 4.0% [2.0–6.5%]; p = 0.60). There was no significant difference in recurrence-free survival of the intention-to-treat cohort of the IMP and MAG groups (54 vs. 60%, p = 0.82, respectively) during 12 months of follow-up. Ablation with the aid of both impedance- and magnetic field-based EAM platforms can considerably reduce OT PVC burden and give similar acute- and long-term freedom from arrhythmia.
Funder
Nemzeti Kutatási Fejlesztési és Innovációs Hivatal Semmelweis University
Publisher
Springer Science and Business Media LLC
Subject
Cardiology and Cardiovascular Medicine
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