Long-term outcomes of a primary complete endoscopic resection strategy for short-segment Barrett’s esophagus with high-grade dysplasia and/or early esophageal adenocarcinoma

      Background and Aims

      Complete endoscopic resection (CER) of Barrett’s esophagus (BE) with high-grade dysplasia (HGD) and early esophageal adenocarcinoma (EEA) is a comprehensive and precise staging tool and may produce a sustained treatment response, preventing metachronous disease. There are limited data on long-term clinical outcomes and the sustainability of dysplasia eradication after CER. We aimed to describe long-term outcomes of a primary CER strategy of BE with HGD/EEA.

      Methods

      Patients with biopsy-proven HGD and EEA in short-segment BE (≤3 cm in circumferential length and ≤5 cm in maximal length) underwent staged CER by multiband mucosectomy or the cap method. The primary endpoint was remission of HGD or EEA (complete resection of HGD/EEA), dysplasia (complete resection of any dysplasia), and complete resection of intestinal metaplasia.

      Results

      Of 153 patients (126 HGD, 27 EEA; 83.7% male, median age of 66 years) considered suitable for CER, 138 met all inclusion criteria. CER was technically successful in all patients and was established after a median of 2 sessions. Covert synchronous EEA was found in 1 patient. At a mean follow-up of 40.7 months by intention-to-treat analysis, complete remission of HGD/EEA, dysplasia, and intestinal metaplasia was achieved in 98.5%, 89.1%, and 71.0%, respectively. In 47.1% of patients, CER changed the histological grade compared with pretreatment biopsies (28.1% downstaged and 19.0% upstaged). Esophageal dilation was performed in 36.8% in a mean of 2.5 sessions. At the end of follow-up, 96.4% of patients had no or minimal dysphagia and 90.6% of patients found CER an acceptable treatment.

      Conclusions

      On long-term follow-up, a primary CER strategy was a highly effective, safe, and durable treatment for HGD and EEA. Despite the need for post-CER dilation in one-third of patients, the majority found it an acceptable treatment on long-term follow-up.

      Abbreviations:

      BE (Barrett’s esophagus), CER (complete endoscopic resection), CI (confidence interval), EA (esophageal adenocarcinoma), EEA (early esophageal adenocarcinoma), ER (endoscopic resection), HGD (high-grade dysplasia), HR (hazard ratio), IM (intestinal metaplasia), IQR (interquartile range), RFA (radiofrequency ablation), SMC (submucosal carcinoma)
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