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Updated: May 7, 2026

Cooling or Warming the Esophagus to Reduce Esophageal Injury During Left Atrial Ablation in the Treatment of Atrial Fibrillation
Published on: March 15, 2020
[Radiofrequency ablation for Barret's esophagus]
1Service de gastroentérologie et d'hépatologie, CHUV et Université de Lausanne, 1011 Lausanne. montserrat.fraga@chuv.ch
Abstract:
Barrett's esophagus consists of the replacement of normal squamous epithelium by a specialised columnar lined epithelium referred to as intestinal metaplasia in the esophagus. It represents a premalignant lesion. The prevalence of Barrett's esophagus is around 1.6%. Esophageal adenocarcinoma results from the development of dysplasia progressing from low to high grade dysplasia and finally adenocarcinoma. Radiofrequency ablation currently represents the treatment of choice in eradicating Barrett's esophagus with associated dysplasia. The technique is based on the application of a radiofrequency current that enables the destruction of the superficial modified epithelium. This new approach presents a good security profile and, compared to other ablative techniques, shows superior results regarding Barrett's eradication.
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