Examples of such causes include angiodysplasia or angioectasia, small bowel Crohn's disease and small bowel malignancy. Intraoperative endoscopy ... which may lead to capsule retention.
CE is an easy procedure in comparison to EGD and colonoscopy. It does not require sedation or anesthesia. Furthermore, unlike EGD and colonoscopies, in CE, there is no need for the air insufflations.