Key result
Luminal esophageal temperature monitoring during radiofrequency ablation of atrial fibrillation did not significantly reduce the risk of thermal esophageal injury compared to no monitoring (OR 0.66).
Why the study?
Does luminal esophageal temperature (LET) monitoring prevent thermal esophageal injury in patients undergoing radiofrequency ablation for atrial fibrillation?
Meta-Analysis (n=411)
Does luminal esophageal temperature (LET) monitoring prevent thermal esophageal injury in patients undergoing radiofrequency ablation for atrial fibrillation?
Odds Ratio: 0.66 (95% CI 0.23–1.89)
Absolute Event Rate: 8.9% vs 6.8%
p-value: p=0.44
This meta-analysis found no conclusive evidence that luminal esophageal temperature monitoring significantly reduces the risk of thermal esophageal injury during radiofrequency ablation for atrial fibrillation.
Does not support routine luminal esophageal temperature monitoring in AF ablation; challenges current practice and warrants trials of alternative protection.
The role of esophageal temperature monitoring in reducing the risk of esophageal thermal lesions during pulmonary vein isolation for AF has not been established, and more studies including randomized controlled trials are needed to assess its true impact.
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Koranne et al. (2016) conducted a meta-analysis in Atrial fibrillation (n=411). Luminal esophageal temperature (LET) monitoring vs. No LET monitoring was evaluated on Thermal esophageal injury (OR 0.66, 95% CI 0.23-1.89, p=0.44). Luminal esophageal temperature monitoring during radiofrequency ablation of atrial fibrillation did not significantly reduce the risk of thermal esophageal injury compared to no monitoring (OR 0.66).
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