A multicenter, U.S. experience of single-balloon, double-balloon, and rotational overtube-assisted enteroscopy ERCP in patients with surgically altered pancreaticobiliary anatomy (with video).

Background: Data on overtube-assisted enteroscopy to facilitate ERCP in patients with surgically altered pancreaticobiliary anatomy, or long-limb surgical bypass, is limited.

Objective: To evaluate and compare ERCP success by using single-balloon (SBE), double-balloon (DBE), or rotational overtube enteroscopy.

Design: Consecutive patients identified retrospectively.

Retrograde-viewing device improves adenoma detection rate in colonoscopies for surveillance and diagnostic workup.

Aim: To determine which patients might benefit most from retrograde viewing during colonoscopy through subset analysis of randomized, controlled trial data.

Methods: The Third Eye® Retroscope® Randomized Clinical Evaluation (TERRACE) was a randomized, controlled, multicenter trial designed to evaluate the efficacy of a retrograde-viewing auxiliary imaging device that is used during colonoscopy to provide a second video image which allows viewing of areas on the proximal aspect of haustral folds and flexures that are difficult to see with the colonoscope's forward view. We performed a post-hoc analysis of the TERRACE data to determine whether certain subsets of the patient population would gain more benefit than others from use of the device.

Spiral enteroscopy: prime time or for the happy few?

Spiral enteroscopy is the newest of the deep enteroscopy techniques. The current technique employs an overtube with a raised spiral at the distal end to pleat the small intestine and achieve deep small bowel intubation. Although spiral enteroscopy is a novel technique, the learning curve is comparable to the balloon enteroscopy techniques.

Effect of a retrograde-viewing device on adenoma detection rate during colonoscopy: the TERRACE study.

Background: Although colonoscopy is currently the optimal method for detecting colorectal polyps, some are missed. The Third Eye Retroscope provides an additional retrograde view that may detect polyps behind folds.

Objective: To determine whether the addition of the Third Eye Retroscope to colonoscopy improves the adenoma detection rate.

Spiral enteroscopy and push enteroscopy.

Spiral enteroscopy is a new technique for endoscopic evaluation of the small bowel. Currently, more than 3000 cases have been performed worldwide. The Discovery SB device has been approved by the Food and Drug Administration and has been granted a CE mark.

Spiral enteroscopy: a novel method of enteroscopy by using the Endo-Ease Discovery SB overtube and a pediatric colonoscope.

Background: Pathologic diagnosis and therapeutic interventions on the small bowel have been difficult and challenging for gastroenterologists. In the last few years, significant advances have been made in this direction. New diagnostic and therapeutic modalities for visualizing the small bowel have been introduced.