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Dig Dis Sci. 2005 Jun;50(6):1041-5.

Double balloon enteroscopy-the last blind-point of the gastrointestinal tract.

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Digestive Therapeutic Endoscopic Cencer, Department of Gastroenterology, Chang-Gung Memorial Hospital, Linkou Medical Center, Taipei, Taiwan.


Technical challenges have obstructed the diagnosis and treatment of small intestine disease. An innovative form of enteroscopy-the double balloon method-permits visualization of the complete small intestine, to-and-fro examination of an area of interest, and biopsy and endoscopic procedures which are safer, faster, and less painful than earlier methods. From October 2003 to May 2004, a total of 10 patients with obscure gastrointestinal bleeding received 12 enteroscopic examinations, 8 per oral and 4 per rectal examinations, while 2 patients received per oral enteroscopy first and further per rectal procedures 2 days later. Two cases with intestinal submucosal tumors were discovered by per oral enteroscopy, one with a 5-cm SMT with reddish mucosa at the jejunum and another with a 4-cm SMT and surface ulceration, in which the biopsy showed GIST. Both patients received an operation later. Four patients were found to have intestinal angiodysplasia in jejunum(per oral) and one in ileum (per rectal), and after local therapy bleeding stopped. Multiple angiodysplasias were observed in a patient who was operated on for active bleeding from the ileum after Indian ink tattooing. The two patients who received per oral and per rectal procedures did not display definite small intestinal lesions. All patients underwent the procedures satisfactorily without any complications, and the examination times varied from 90 to 360 min. Double balloon enteroscopy permits deep insertion of an endoscope into the small intestine without excessive stretching of the intestinal tract. This method can use either an oral or an anal approach. To-and-fro observation of almost the complete small intestine is possible, as are interventions.

[Indexed for MEDLINE]

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