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Updated: Sep 29, 2025

Reduced Procedure Time and Variability with Active Esophageal Cooling During Radiofrequency Ablation for Atrial Fibrillation
Published on: August 25, 2022
Will the insulated-tip radiofrequency catheter transform ablation procedures?
Yasuhito Kotake1,2, Juliana Kanawati1,2, Saurabh Kumar1,2
1Department of Cardiology, Westmead Hospital, Westmead, New South Wales, Australia.
Abstract:
Radiofrequency (RF) ablation has been the most widely employed energy source for catheter ablation to date. However, most of conventional RF ablation energy dissipates into the bloodstream before reaching the target tissue. Technology that conveys RF energy exclusively toward target tissue may potentially improve the quality, safety, and outcome of the RF ablation procedures. RF ablation using a novel insulated-tip catheter (Sirona Medical Technologies [SMT]) may refine RF ablation in the future to minimize the risk of iatrogenic complications. Although it is still unclear whether the results of the SMT catheter can be translated to a human beating heart, the data for SMT catheter of this study are very promising.
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