What is double balloon enteroscopy and how is it used in the diagnosis of inflammatory bowel disease (IBD)?

Updated: Apr 10, 2020
  • Author: William A Rowe, MD; Chief Editor: BS Anand, MD  more...
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Double balloon enteroscopy, or deep small bowel enteroscopy, is a technique whereby a long enteroscope is passed into the intestine using an overtube. Both the endoscope and the overtube have balloons that can be inflated and deflated sequentially as the endoscope is advanced in an "inchworm" fashion. Successful evaluation of the entire small intestine with this technique is reported to be as high as 86% to as low as 23%. [72, 73, 74, 75] However, patients who have had previous surgery have a higher complication rate (perforation) with this technique relative to other small bowel imaging techniques.

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