Cryotherapy for Barrett's esophagus and esophageal cancer.

Abstract:

PURPOSE OF REVIEW:To summarize the recent literature on endoscopic spray cryotherapy for the treatment of Barrett's esophagus and esophageal cancer. RECENT FINDINGS:Endoscopic spray cryotherapy is a relatively new ablative modality for the treatment of gastrointestinal diseases. Spray cryotherapy rapidly cools tissues by spraying them with either liquid nitrogen or rapidly expanding carbon dioxide gas. Initial, nonrandomized and uncontrolled studies show success rates comparable to other ablative modalities for the treatment of Barrett's esophagus with high-grade dysplasia, with complete eradication of dysplasia seen in 87-96% and complete eradication of intestinal metaplasia in 57-96% of treated patients. In early-stage esophageal cancer, spray cryotherapy appears to have a unique role, eliminating mucosal cancer in 75% of patients, including those who have failed other modalities. Patient tolerance of the procedure is very good. Limitations of current studies include small sample sizes and short durations of follow-up, and further studies are needed to validate the promising early results. SUMMARY:Endoscopic spray cryotherapy is a promising ablative modality for treatment of Barrett's esophagus and esophageal cancer.

authors

Greenwald BD,Dumot JA

doi

10.1097/MOG.0b013e328347bae8

subject

Has Abstract

pub_date

2011-07-01 00:00:00

pages

363-7

issue

4

eissn

0267-1379

issn

1531-7056

journal_volume

27

pub_type

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