colorectal adenoma
Conditions
Interventions
Eye guidance by the ETF system
Control group
Sponsors
International University of Health and Welfare Ichikawa Hospital
Showa University Hospital, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Omori Red Cross Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients who undergo colonoscopy by insurance. 2. Patients who are between 40 and 90 years old. 3. Performance status (ECOG) is between 0 (no limitation in daily life) and 1 (difficulty in physical labor but light work). 4. The patient's participation in the study has been fully explained to him/her, and his/her written consent has been obtained.
Exclusion criteria
Exclusion criteria: 1. Patients with a history of surgical colorectal resection (excluding appendicectomy) 2. Patients with a history of inflammatory bowel disease (ulcerative colitis, Crohn's disease, Behcet's disease) 3. Patients with hereditary or non-hereditary gastrointestinal polyposis 5. Patients with known severe diverticular disease of the colon that makes colonoscopy difficult and dangerous 6. Patients who are unable to take bowel preparation 7. Patients who are allergic to bowel preparation agents or sedatives 8. Patients who are known in advance to have colorectal adenoma, polyp, or colorectal cancer 9. Patients who are pregnant 10. Patients who are breast-feeding 11. Patients who have not given consent to participate in the study 12. Patients who are deemed unsuitable by the study investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The number adenoma per patient (APC) | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Adenoma detection rate (ADR) 2. Serrated lesion detection rate (SDR) 3. APC by colorectal site 4. APC by lesion diameter 5. APC by endoscopist (number and years of colonoscopy experience, certification) 6. Coordinate information on the eye position of both groups 7. Video information of both groups 8. Observation time 9. Endoscopist fatigue as measured by the visual analogue scale (VAS) 9. Number of years until the next colonoscopy in each group if the recommended post-colonoscopy surveillance plan is followed after the examination | — |
Countries
Japan
Contacts
Public ContactFumiaki Ishibashi
International University of Health and Welfare Ichikawa Hospital Department of Gastroenterology
Outcome results
None listed