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The aims of this study are to evaluate the effect of early drinking water after the capsule ingestion on the gastrointestinal transit and image quality of capsule endoscopy.
Capsule endoscopy has been a significant technologic advancement that has allowed the direct examination of mucosa throughout the entire small intestine in a noninvasive fashion; and it has become the primary technique for imaging the small bowel. However, as imaging time is limited to about 8 hours, a prolonged transit of the capsule endoscope in the stomach may result in an incomplete small bowel transit (i.e. failure of the capsule to reach the cecum). Delayed transit time of stomach may be responsible for the failure of capsule endoscopy to visualize the distal portions of the small bowel, and potentially may result in the inability to identify small-bowel pathology in these areas. Previous study showed that drinking water might improve completion rate of capsule endoscopy. And bowel preparation of clear liquids may improve image quality of small bowel mucosa. The aim of this study was to assess the effect of drinking water on the transit time，completion rate and image quality of capsule endoscopy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| drinking water group | Experimental | Patients in this group drink colorless water after capsule ingestion. |
|
| control group | Other | Patients in this group don't drink colorless water after capsule ingestion. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| drinking water group | Other | Those randomized to drink water group were asked to drink 200 mL colorless water every 10 minutes, starting at the time of capsule ingestion until three times in total. |
| Measure | Description | Time Frame |
|---|---|---|
| gastric transit time | the time between the first gastric image and the first duodenal image | 3 months |
| small-bowel transit time | the imaging time of capsule endoscopy in the small bowel | 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| complete examination rate of the small bowel | the percentage of patients with complete examination of the small bowel in each group | 3 months |
| image quality | The scale was based on the uncovered image area percentage (0, 0%-20%; 1, 20%-40%; 3, 60%-80%; 4, 80%-100%). The image quality was based on the mean of 5-min scores and higher scores mean a better outcome. |
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Inclusion Criteria:
Patients aged 18-80 years undergoing capsule endoscopy
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Xiuli Zuo, MD, PhD | Contact | 86 15588818685 | 0531-88369277 | zuoxiuli@sdu.edu.cn |
| Name | Affiliation | Role |
|---|---|---|
| Xiuli Zuo, MD, PhD | Shandong University Qilu hosipital, China | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Qilu Hospital, Shandong University | Recruiting | Jinan | Shandong | 250012 | China |
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| ID | Term |
|---|---|
| D035061 | Control Groups |
| ID | Term |
|---|---|
| D015340 | Epidemiologic Research Design |
| D004812 | Epidemiologic Methods |
| D008919 | Investigative Techniques |
| D012107 | Research Design |
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| control group | Other | Those randomized to control group were asked not to drink extra water after capsule ingestion. |
|
| 3 months |
| diagnostic yields | Clinical diagnoses made by the capsule endoscopy were recorded for each patient. | 3 months |
| D008722 | Methods |