August 4, 2026 · Heart rhythm · DOI: 10.1016/j.hrthm.2026.07.046

THERMAL PROFILES OF PULSED FIELD ABLATION CATHETERS

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The authors aimed to characterize the thermal profiles and peak surface temperatures of six proprietary pulsed field ablation (PFA) catheters using an ex vivo model. Their findings revealed distinct thermal signatures among the catheters, with varying degrees of temperature rise and patterns of heating, which are crucial for understanding the efficacy and safety of PFA in clinical applications. The study categorizes the catheters into low, moderate, and high heating profiles based on their thermal responses.

Sanjai Pattu Valappil, Sai Kiran Kakarla, Alexis Puvrez, Alessandra Pina, Justine Bhar Amato, Mehrdad Emami, Melanie A Gunawardene, Jonathan P Ariyaratnam, William Sauer, Prashanthan Sanders

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