Issn Print: 1556-9845
Publication Date: 2006/07/01
Wide Variations In Energy Delivery Using An Impedance Controlled Algorithm In Bipolar Radiofrequency Ablation: Evidence Against Fixed Time Ablation: 21
Spencer J. Melby; Andreas Zierer; Shelly C. Lall; Rochus K. Voeller; Marci S. Bailey; Ralph J. Damiano
Excerpt
Bipolar radiofrequency (BPRF) ablation has been used to replace many of the surgical incisions of the Cox-Maze procedure for the treatment of atrial fibrillation. Real-time impedance controlled BPRF reliably produces transmural lesions in both experimental and clinical studies. Other available technologies rely on predetermined time and/or temperature criteria to determine ablation duration. The purpose of this study was to determine the energy required in different atrial structures to create transmural lesions, and to evaluate the ability of a novel impedance algorithm to tailor energy delivery to the particular tissue geometry.
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