Radiofrequency (RF) ablation of atrial fibrillation (AF) is a widely used therapeutic strategy, with increasing efficacy and technical sophistication. However, the procedure is not without risks, with atrioesophageal fistula being a rare but extremely serious complication. In this context, luminal esophageal temperature (LET) monitoring has emerged as an additional protective measure, although its effectiveness has been the subject of controversy in the literature.

The study “Esophageal Temperature Monitoring during Atrial Fibrillation Ablation: A Randomized Study” presents relevant and timely evidence regarding the clinical impact of LET, especially in comparing single-sensor versus multi-sensor probes during AF ablation. It is a methodologically robust, randomized study that significantly contributes to refining safety practices in this procedure.

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