2.8 Safety and efficacy of a 7FR, 6MM tip cryoablation catheter for the treatment of atrial flutter in 98 consecutive patients

Long-term efficacy of cryo catheter ablation for the treatment of atrial flutter

“…Our experience, as well as that of others, is that the focal lesions produced by cryo ablation are effective in creating permanent bi-directional isthmus block (5)(6)(7). Recurrence rates after RF ablation treatment for atrial flutter are between 0% and 31% over follow-up periods ranging from 6 to 68 months (8 -11).…”

“…This well-established target is known as the cavotricuspid isthmus (CTI) (2,3). The feasibility of using a hand-held catheter to deliver cryo energy to successfully ablate the CTI was first demonstrated by Dubuc et al in a series of experiments in dogs (4), and more recently there has been an accumulation of clinical experience with cryo ablation catheters in the treatment of patients with both common and atypical atrial flutter (5)(6)(7)(8).…”