Objective      To evaluate the diagnostic value and safety of OMOM capsule endoscopy in patients with obscure gastrointestinal bleeding.       Methods      From Oct. 2005 to Sep. 2011

OMOM capsule endoscopy was used to examine 328 patients with obscure gastrointestinal bleeding. The diagnostic results by OMOM capsule endoscopy were recorded and statistically analyzed.       Results      A total of 323 patients successfully completed the examination. The overall detection rate was 76.16% (246/323)

and the etiological diagnostic accuracy was 56.04% (181/323). The most common findings included 51 cases of space occupying lesions (15.79%)

45 cases of vascular lesions (13.93%)

39 cases of non-specific inflammation (12.07%) and 34 cases of ulcer (10.53%). Other findings included 19 cases of ancylostomiasis (5.88%)

19 cases of polyp (5.88%)

17 cases of active bleeding (5.26%)

8 cases of diverticulum (2.48%)

7 cases of lymphoid hyperplasia (2.17%)

5 cases of Crohn disease (1.55%)

and 2 cases of intestinal tuberculosis (0.62%).       Conclusion      OMOM capsule endoscopy is safe and valuable in the diagnosis of obscure gastrointestinal bleeding.