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ASGE initiative examines real-time imaging of Barrett's esophagus
Date:8/27/2012

OAK BROOK, Ill. August 27, 2012 The American Society for Gastrointestinal Endoscopy's (ASGE) Preservation and Incorporation of Valuable Endoscopic Innovations (PIVI) initiative examines real-time imaging of Barrett's esophagus in an article appearing in the August issue of GIE: Gastrointestinal Endoscopy, ASGE's monthly peer-reviewed scientific journal. This PIVI is one in a series of statements defining the diagnostic or therapeutic threshold that must be met for a technique or device to become considered appropriate for incorporation into clinical practice.

Barrett's esophagus is a change in the lining of the esophagus due to chronic acid reflux and can be detected by endoscopy with biopsy. High-risk individuals with longstanding reflux should be screened with endoscopy for this condition. Barrett's esophagus is associated with an increased risk of developing esophageal adenocarcinoma (a form of cancer).

"The clinical problem addressed by this PIVI is the effectiveness and cost of current surveillance protocols, as well as rates of compliance with these protocols. Endoscopic surveillance of Barrett's esophagus (BE), as currently practiced, has shortcomings. Dysplasia (abnormal growth) and early adenocarcinoma may be endoscopically indistinguishable from non-dysplastic (benign) tissue. The distribution of dysplasia and cancer is highly variable, and even the most thorough biopsy surveillance program has the potential for a missed diagnosis due to sampling error. Current surveillance programs are expensive and time consuming," said PIVI Committee Co-Chair Prateek Sharma, MD. "Survey data indicate that while surveillance is widely practiced, there is marked variation from practice guidelines in the technique and interval of surveillance. A recent study found that adherence to guidelines occurred only 51 percent of the time and furthermore, the longer the length of the Barrett's segment, the worse the adherence."

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Contact: Anne Brownsey
abrownsey@asge.org
630-570-5635
American Society for Gastrointestinal Endoscopy
Source:Eurekalert

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