The purpose of this study is to determine the effect of chewing gum, during the first one hour of examination in patients undergoing CE for GTT and SBTT time and the proportion of cases with complete small bowel examination and gastroscopy intervention.
The participants will include patients who need to a capsule endoscopy (CE) in this unit. The investigators will include 200 participants who had a CE at our centre based on the gastric transit times. These will be randomly divided into two groups. The participants (chew chewing gum) and the controls (do not chew chewing gum).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
250
Patients of CG group chewed one piece of sugarless gum for approximately 15 min every 30 min at the first hour of the examination.
The control group will not chew chewing gum while undergoing capsule endoscopy
First Affiliated Hospital of Zhejiang Chinese Medical University
Hangzhou, Zhejiang, China
gastric transit time
the time interval between the first gastric image and the first duodenal image
Time frame: 1 hour
small bowel transit time
The time interval between the first duodenal images and the first caecal image
Time frame: 8 hour
Completion rate
the capsule reaching the caecum
Time frame: 9 hours
Diagnostic yield
the total number of positive (diagnostic and suspicious) findings
Time frame: 9 hours
Intervention rate
Gastroscopy intervention after capsule endoscopy not through pylorus within 1hour
Time frame: 1 hours
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