Use of a Novel Endoscopic Catheter for Direct Visualization and Ablation in an Ovine Model of Chronic Myocardial Infarction | Zendy

Brian P. Betensky | Zendy; Miguel Eduardo Jáuregui | Zendy; Bieito Campos | Zendy; John J. Michele | Zendy; Francis E. Marchlinski | Zendy; Leslie Oley | Zendy; Bryan Wylie | Zendy; David Robinson | Zendy; Edward P. Gerstenfeld | Zendy

Open Access

Use of a Novel Endoscopic Catheter for Direct Visualization and Ablation in an Ovine Model of Chronic Myocardial Infarction

Author(s) -

Brian P. Betensky,

Miguel Eduardo Jáuregui,

Bieito Campos,

John J. Michele,

Francis E. Marchlinski,

Leslie Oley,

Bryan Wylie,

David Robinson,

Edward P. Gerstenfeld

Publication year - 2012

Publication title -

circulation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.795

H-Index - 607

eISSN - 1524-4539

pISSN - 0009-7322

DOI - 10.1161/circulationaha.112.112540

Subject(s) - medicine , ventricle , ablation , endocardium , catheter ablation , radiofrequency ablation , myocardial infarction , cardiology

Defining the arrhythmogenic substrate is essential for successful ablation of scar-related ventricular tachycardia. The visual characteristics of endocardial ischemic scar have not been described in vivo. The goal of this study was (1) to quantify the visual characteristics of normal tissue, scar border zone, and dense scar in vivo with the use of a novel endoscopic catheter that allows direct endocardial visualization and (2) to correlate visual attributes of myocardial scar with bipolar voltage.

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