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  • Title: Obscure gastrointestinal bleeding: role of videocapsule and double-balloon enteroscopy.
    Author: Cellier C.
    Journal: Best Pract Res Clin Gastroenterol; 2008; 22(2):329-40. PubMed ID: 18346687.
    Abstract:
    Capsule endoscopy (CE), which allows the non-invasive visualisation of mucosa throughout the entire small bowel, has revolutionised the exploration of small-bowel diseases, and particularly the evaluation of obscure gastrointestinal bleeding (OGIB) after a negative initial evaluation, including gastroscopy and colonoscopy. CE has a high negative predictive value and a higher diagnostic yield than all other modalities, such as radiology (small-bowel X-rays or computed tomography scan) or push enteroscopy. CE may be the preferred initial diagnostic choice in OGIB because of its non-invasive quality and better tolerance. Double-balloon enteroscopy, also known as push-and-pull enteroscopy, has recently been developed. It has made it possible not only to explore the small bowel but also to carry out therapeutic interventions deep in the small bowel without the need for surgical laparotomy. This exploration should be considered as a second-line exploration for OGIB in patients with a positive finding on CE requiring endoscopic follow-up for histology or intervention, and in patients in whom suspicion of a small-bowel lesion is high despite a negative CE.
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