Abstract
Wireless capsule enteroscopy is a novel technique for investigation of GI bleeding of obscure origin. The capsule “endoscope” consists of an 11 mm × 26-mm capsule that contains a miniature video camera, light source, batteries, and a radio transmitter.1,2 It is swallowed by the patient, and video images are transmitted by telemetry to a sensor array taped to the body. Images are captured and subsequently examined with dedicated computer software.1,3 In preliminary studies, patients found the capsule easy to swallow and the procedure painless and preferable to conventional endoscopy.2 In small series, wireless capsule enteroscopy of the small bowel has successfully identified pathologic lesions.2 Because the procedure is relatively new, its potential has not been fully investigated, and data on contraindications and limitations are sparse. Experience with wireless capsule enteroscopy in 3 patients subsequently found to have intestinal strictures is described.
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