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Radiofrequency Ablation of Atrial Flutter Using Large‐Tip Electrode Catheters

The use of large‐tip ablation catheters in both animal and clinical studies has been documented in work conducted over the last 10 years. These studies have demonstrated the safety and efficacy of the use of 8‐ and 10‐mm tip ablation catheters in the treatment of type I isthmus‐dependent atrial flutter. Shorter procedure times are reported with the larger‐tip ablation catheters compared to standard 4‐ or 5‐mm tip ablation catheters, with comparable or greater efficacy, no significant increase in complications, and an improved quality of life. Larger‐tip ablation electrodes do require the use of higher‐power radiofrequency generators up to 100 W. The benefits of large‐tip ablation catheters are thus well documented for the treatment of type I isthmus‐dependent atrial flutter.