C69 Short–term Outcomes of Ablation Index–guided Cavotricuspid Isthmus Ablation Versus Unipolar Recorded Potential Inversion: A Randomized, Single–centre Study
Abstract:Background
Ablation of the cavotricuspid isthmus (CTI) using contiguous lesions guided by electroanatomical mapping on fluoroscopy assisted by the ablation index (AI) in typical atrial flutter (AFL) is a widely used procedure. Unipolar signal inversion during radiofrequency catheter ablation (RFCA) was found to be a predictive index of transmural lesion, as well as AI–guided strategy showed to be effective in CTI ablation while maintaining an inter–lesion–distance (ILD) ≤ 6mm. Both are relate… Show more
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