Natural History of the Post-ablation Esophagus

Abstract

Endoscopic ablative therapy including radiofrequency ablation (RFA) represents the preferred management strategy for dysplastic Barrett's esophagus (BE) and appears to diminish the risk of developing esophageal adenocarcinoma (EAC). Limited data describe the natural history of the post-ablation esophagus. Recent findings demonstrate that recurrent intestinal metaplasia (IM) following RFA is relatively frequent. However, dysplastic BE and EAC subsequent to the complete eradication of intestinal metaplasia (CEIM) are uncommon. Moreover, data suggest that the risk of recurrent disease is probably highest in the first year following CEIM. Recurrent IM and dysplasia are usually successfully eradicated with repeat RFA. Future studies may refine surveillance intervals and inform the length of time surveillance should be conducted following RFA with CEIM. Further data will also be necessary to understand the utility of chemopreventive strategies, including NSAIDs, in reducing the risk of recurrent disease.

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