Ablation of Barrett's esophagus using the HALO radiofrequency ablation system

被引：6

作者：

Sharma, Virender K. ^{[1
]}

机构：

[1] Ctr Digest Hlth, Gilbert, AZ USA

来源：

TECHNIQUES IN GASTROINTESTINAL ENDOSCOPY | 2010年 / 12卷 / 01期

关键词：

Barrett's esophagus; Dysplasia; Esophageal cancer; Esophageal adenocarcinoma; Ablation;

D O I：

10.1016/j.tgie.2010.01.007

中图分类号：

R57 [消化系及腹部疾病];

学科分类号：

摘要：

The incidence of esophageal adenocarcinoma is rising at an epidemic rate. Barrett's esophagus (BE) is its only known precursor lesion and is an ideal target for endoprevention of esophageal adenocarcinoma. Recent advances in endoscopic therapy, especially radiofrequency ablation (RFA) using the HALO system have renewed interest in ablative therapies for the management of BE. RFA uses a bipolar electrode array to deliver thermal energy to the metaplastic and dysplastic Barrett's tissue for large-area circumferential and small-area focal ablation. Multiple prospective uncontrolled trials, case series, and registries have consistently shown safety and effectiveness of RFA in treating all stages of BE. A large multicenter sham-controlled trial showed that in patients with either low-grade or high-grade dysplasia, RFA is effective in ablating esophageal intestinal metaplasia and dysplasia and preventing progression to higher grades of dysplasia and cancer. In addition, cost-effectiveness models have shown ablation may be a cost-effective strategy for the management of all stages of BE. This article is a review of technical background of RFA using the HALO system and is a summary of the data on its current applications for the treatment of BE. (C) 2010 Published by Elsevier Inc.

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页码：26 / 34

页数：9

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