A prospective study of the utility of abdominal radiographs after capsule endoscopy for the diagnosis of capsule retention.

Background: Capsule retention is a rare but serious complication of capsule endoscopy (CE). The utility of routine abdominal radiographs after CE for the diagnosis of capsule retention is not established.

Objective: To establish the utility of abdominal radiographs in the diagnosis of capsule retention in patients undergoing CE.