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The first prospective, multicentre evaluation of magnetic navigation for ventricular tachycardia (VT) ablation has concluded, its results having been announced at the European Society of Cardiology’s (ESC) recent 2011 Congress.1

In the STOP-VT (Study to Obliterate Persistent Ventricular Tachycardia), led by Associate Prof Petr Neuzil, Na Homolce Hospital, Prague, and sponsored by Stereotaxis, 53 patients with previous severe heart disease were treated for VT with a robotic ablation system.  The acute success rate in the study was 94%, with no patients suffering a major complication.  The acute success results obtained from the STOP-VT study are 10–15% higher than similar published studies using conventional ablation techniques.

“VT is one of the most challenging arrhythmias facing electrophysiologists due to complex anatomy, the sensitive nature of ventricular tissue, and potentially lethal outcomes,” said Prof Neuzil. “Catheter ablation of VT, one of the fastest growing EP procedures globally, requires the delivery of robust lesions for clinical success.

Stereotaxis1 full“The main advantage of Stereotaxis for treatment of ventricular tachycardia is precise mapping and identification of the critical diseased portions of the heart that allows physicians to perform ablation in a more effective way. The results of the trial exceeded our expectations, both in terms of acute outcomes as well as overall safety.”

Prof Neuzil presented the STOP-VT data at ESC 2011 on Sunday, August 28, also discussing the study at an ESC press conference the next day, ‘Arrhythmias in the Real World’.


1 Press release.  Stereotaxis’ STOP-VT Prospective Multicenter Study Results Featured at Europe’s Largest Medical Meeting, European Society of Cardiology.  Stereotaxis, August 29, 2011.

Published on: September 7, 2011

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