alexa Wireless capsule endoscopy for obscure small-bowel disorders: final results of the first pediatric controlled trial.


Journal of Gastrointestinal & Digestive System

Author(s): Guilhon de Araujo SantAnn, Dubois J, Miron MC, Seidman EG

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Abstract BACKGROUND AND AIMS: Obscure small-bowel disorders are jejunal and ileal lesions undiagnosed by traditional imaging techniques (endoscopic, radiologic). We evaluated the diagnostic usefulness and safety of capsule endoscopy for obscure small-bowel disorders in children and adolescents. METHODS: Comparative, prospective, self-controlled trials in patients (age, 10-18 y) suspected to have either small-bowel Crohn's disease, polyps, or obscure gastrointestinal (GI) bleeding. Capsule results were compared with the diagnostic imaging studies normally used in this age group. RESULTS: Among 20 patients suspected of Crohn's disease, multiple lesions consistent with this diagnosis were observed by capsule endoscopy in 50\%. Small-bowel Crohn's disease was ruled out in 8 patients. Eosinophilic enteropathy was found in 2 others. For polyp detection (n = 6), capsule endoscopy yielded 100\% concordance with the control studies when analyzed per patient. However, capsule endoscopy revealed a greater number (50\%) of polyps. Among patients with obscure bleeding (n = 4), the capsule examination confirmed a diagnosis of vascular malformations in 3. Capsule endoscopy more accurately identified the precise source of bleeding compared with angiography. All 30 capsule studies were well tolerated, although 1 capsule was retained owing to an inflammatory stenosis. The capsule eventually was expelled after corticosteroid therapy. CONCLUSIONS: Capsule endoscopy correctly diagnosed or excluded a bleeding source, small-bowel polyps, or Crohn's disease of the small bowel in 29 of 30 patients. Capsule endoscopy permits an accurate, noninvasive approach for diagnosing obscure small bowel lesions in children over the age of 10.
This article was published in Clin Gastroenterol Hepatol and referenced in Journal of Gastrointestinal & Digestive System

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