{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T07:08:11Z","timestamp":1761808091770},"reference-count":27,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2017,3,27]],"date-time":"2017-03-27T00:00:00Z","timestamp":1490572800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2017,5]]},"abstract":"<jats:title>VT Ablation in MitraClip Patients<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Patients with mitral regurgitation are increasingly treated by percutaneous implantation of a MitraClip device (Abbott Park, IL, USA). We investigate the feasibility and safety of the transmitral catheter route for catheter ablation of ventricular tachycardia (VT) in these patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The mitral valve with the MitraClip <jats:italic>in situ<\/jats:italic> was crossed under transesophageal 3\u2010dimensional echocardiographic and fluoroscopic guidance using a steerable sheath for ablation of the left ventricle.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Five patients (all males, median age 74.0 \u00b1 16.0 years) who had previously a MitraClip implanted were referred for catheter ablation of VT. The left ventricular ejection fraction was 29.0% \u00b1 24.0%. One patient had both an atrial septal defect and a left atrial appendage occluder device in addition to a MitraClip. The duration between MitraClip implantation and ablation was 1019.0 \u00b1 783.0 days. After transseptal puncture, ablation catheter was successfully steered through the mitral valve with the use of fluoroscopy. A complete high\u2010density map of the substrate in sinus rhythm could be obtained in all patients using multipolar mapping catheters. In 1 patient, mapping was carried out using a mini\u2010basket catheter. Procedural endpoints, noninducibility of all VTs, and abolition of all late potentials were achieved in all patients. Procedure time was 255.0 \u00b1 52.5 minute, fluoroscopy time was 23.0 \u00b1 7.3, and the radiation dose was 61.0 \u00b1 37.5 Gycm<jats:sup>2<\/jats:sup>. No mitral insufficiency or worsening of regurgitation was documented after the procedure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This is the first report demonstrating the feasibility and safety of VT ablation in patients with a MitraClip device using the anterograde transmitral catheter route.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.13180","type":"journal-article","created":{"date-parts":[[2017,2,10]],"date-time":"2017-02-10T09:32:43Z","timestamp":1486719163000},"page":"523-530","source":"Crossref","is-referenced-by-count":3,"title":["Catheter Ablation of Ventricular Tachycardia in Patients With MitraClip Device: Preliminary Findings"],"prefix":"10.1111","volume":"28","author":[{"given":"LAURENT M.","family":"HAEGELI","sequence":"first","affiliation":[{"name":"Arrhythmia and Electrophysiology University Heart Center  Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"GIUSEPPE","family":"D'ANGELO","sequence":"additional","affiliation":[{"name":"Arrhythmia Unit and Electrophysiology Laboratories San Raffaele University Hospital  Milan Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"NICOLA","family":"TREVISI","sequence":"additional","affiliation":[{"name":"Arrhythmia Unit and Electrophysiology Laboratories San Raffaele University Hospital  Milan Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"STEFANO","family":"STELLA","sequence":"additional","affiliation":[{"name":"Arrhythmia Unit and Electrophysiology Laboratories San Raffaele University Hospital  Milan Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"ALEXANDER","family":"BREITENSTEIN","sequence":"additional","affiliation":[{"name":"Arrhythmia and Electrophysiology University Heart Center  Zurich 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