Clinical usefulness of transabdominal ultrasonography prior to patency capsule for suspected small-bowel strictures
2016
AbstractObjective: Patency capsule (PC) examination has made it possible to perform capsule endoscopy (CE) in patients with a suspected small-bowel stricture. However, PC has some drawbacks, so we assessed the usefulness of transabdominal ultrasonography (TUS) prior to PC in patients with suspected small-bowel strictures to avoid unnecessary PC examination. Patients and methods: Fifty-two patients who underwent TUS prior to PC were enrolled in this study. TUS findings were classified as follows: intestinal narrowing and distension at the oral side (Type A); extensive bowel wall thickening (Type B); focal bowel wall thickening (Type C) or no abnormality detected (Type D). We evaluated the TUS and PC findings for the detection of small-bowel strictures. Results: Double-balloon endoscopy (DBE) revealed small-bowel strictures in 13 of 50 patients (26%). TUS yielded Type B or C findings in 12 of 13 patients (92%), while PC revealed strictures in all 13 patients. In Crohn’s disease (CD) patients with Type B TUS...
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