Antegrade-transseptal approach for left ventricular tachyarrhythmia in patients with previous Mitraclip implantation

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
Kentaro HayashiFeifan Ouyang

Abstract

Antegrade-transseptal approach to treat left ventricular tachyarrhythmia (LVT) is useful and widespread. Meanwhile, Mitraclip has been recently introduced as an alternative to mitral valve surgery for severe mitral regurgitation, usually coexisting with ventricular arrhythmias. However, data on the antegrade approach for mapping and ablating LVT in these patients are insufficient. We evaluated the feasibility and clinical impact of the antegrade approach for LVT after Mitraclip implantation. We included five patients (all men; age 72.6 ± 10.5 years) with Mitraclip implantation who underwent catheter ablation for LVT and employed the antegrade approach. Post-ablation mitral valve function was systematically evaluated by transthoracic echocardiography. Six procedures with the antegrade approach were performed on the five patients; three of these patients developed electrical storm. The number of implanted Mitraclip was 1 in two patients, 2 in two patients, and 3 in one patient, for a mean duration of 417 ± 324 days before ablation. After 117-day median follow-up, there was no recurrence of electrical storm, but ventricular tachyarrhythmia recurred and required implantable cardioverter defibrillator therapy in one patient (only sp...Continue Reading

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Citations

Feb 15, 2019·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Julian MüllerIbrahim Akin
Jul 30, 2020·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Fuad HasanHarilaos Bogossian
May 3, 2019·Journal of Cardiovascular Electrophysiology·Laura RottnerTilman Maurer

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