[Effect of metoclopramide on capsule endoscopy examination: a randomized study].

Objective: To investigate the effect of metoclopramide on capsule endoscopy (CE) examination.

Methods: Total 116 patients referred for CE were randomized into two groups with 58 patients in each group. In treatment group patients received 10 mg metoclopramide intramuscular injection after swallowing the capsule and in control group no metoclopramide was administered. The gastric transit time, small bowel transit time, complete endoscopy rate were observed in both groups.

Results: The CE examination was completed in 51 patients of treatment group (87.9%) and 48 of control group (84.2%). Mean gastric transit time was (32.45 ± 29.63) min in treatment group and (45.81 ± 40.01)min in control group, there was significant difference between two groups (P<0.05). Mean small bowel transit time was (252.69 ± 113.29) min in treatment group and (258.75 ± 83.83) min in control group, there was no significant difference between two groups (P>0.05).

Conclusion: Metoclopramide may reduces gastric transit time, but not effect small bowel transit time,which suggests that it might increase the likelihood of complete small-bowel examination in patients undergoing capsule endoscopy.