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Updated: Dec 20, 2025

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
Published on: December 14, 2020
Current Status of Esophageal Protection
Rahul Bhardwaj1, Jacob S Koruth2, Vivek Y Reddy2
1Loma Linda University, 11234 Anderson Street, Room 4404, Loma Linda, CA 92354, USA.
Abstract:
Catheter ablation of atrial fibrillation necessitates ablation on the posterior left atrium. The anterior esophagus touches the posterior left atrium, although its course is highly variable. The proximity of the left atrium to the esophagus confers risk of injury with radiofrequency and cryoablation owing to the heat transfer that occurs with thermal ablation. Early detection of esophageal temperature changes with probes may decrease the extent of damage to the esophagus, but evidence is mixed. Avoiding ablation on the esophagus with esophageal deviation and modifying ablation approaches may decrease the risk of injury.
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