What are the advantages and disadvantages of wireless capsule endoscopy (WCE) in the evaluation of lower gastrointestinal (GI) bleeding (LGIB)?

Updated: Jul 26, 2019
  • Author: Burt Cagir, MD, FACS; Chief Editor: BS Anand, MD  more...
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WCE is noninvasive and, as opposed to push enteroscopy, WCE permits visualization of most or all of the small bowel. [59]  WCE also identifies bleeding more often than push enteroscopy. Disadvantages of WCE include possible retention of the capsule in patients with severe motility disorders, in those with Crohn disease with strictures, and in patients in whom no therapeutic capability is possible.

WCE is not a relevant study for hemodynamically significant bleeding. Contraindications to WCE include the presence of dementia (eg, patients not being able to cooperate with the swallowing of the capsule), esophageal strictures, and/or partial small bowel obstruction.

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