CARTO Pattern Matching for Premature Atrial Complex Ablation

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  • Fujioka Makoto
    Department of Clinical Engineering, Fujita Health University Bantane Hospital
  • Sobue Yoshihiro
    Department of Cardiology, Fujita Health University Bantane Hospital
  • Nishikawa Yusaku
    Department of Clinical Engineering, Faculty of Medical Engineering, Suzuka University of Medical science
  • Asai Takashi
    Department of Clinical Engineering, Fujita Health University Bantane Hospital
  • Meishu Yoshitomo
    Department of Clinical Engineering, Fujita Health University Bantane Hospital
  • Banno Yukina
    Department of Clinical Engineering, Fujita Health University Bantane Hospital
  • Nishio Saeki
    Department of Clinical Engineering, Fujita Health University Bantane Hospital
  • Ishiguro Tomoya
    Department of Cardiology, Fujita Health University Hospital
  • Watanabe Eiichi
    Department of Cardiology, Fujita Health University Bantane Hospital

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  • 心房期外収縮アブレーションに対するCARTO pattern matchingの試み

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<p>The pattern matching function installed in the CARTO3 system, a 3D mapping device, is an ablation support program that displays on the screen where there is a high correlation between the ventricular extrasystole of the treatment target and the 12-lead ECG QRS complex obtained by local pacing. If the pattern matching function can be applied to identify the origin of premature atrial complex, it should improve the visibility of treatment sites, reduce procedural time, and improve the therapeutic effect. However, the P wave has a lower wave height and shorter duration than the QRS complex and may fuse with the T wave of the preceding beat. Therefore, even if this method is used as is, origin of the P wave cannot be automatically detected. In this study, we devised a pattern matching method using the intracardiac potential of the high right atrium and coronary sinus, in addition to 2 precordial leads. We report two cases in which the origin of premature atrial complex was automatically identified and ablated using this novel system.</p>

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