Colorectal polyp
Conditions
Interventions
ETF System equipped group 1 (wide region of interest for feedback)
ETF System equipped group 2 (middle region of interest for feedback)
ETF System equipped group 3 (narrow region of interest for feedb
Sponsors
International University of Health and Welfare Ichikawa Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Those who undergoes the colonoscopy 2. Those whose performance status is 0,1 or 2 3. Those who recieves an explanation about the entry for this study and obtain his/her consent in a document
Exclusion criteria
Exclusion criteria: 1. Those who received colorectal surgery (Exclude an appendix excision) 2. Those with inflammatory bowel disease (Ulcerative colitis, Crohn disease and Behcet disease) 3. Those with hereditary or non-hereditary polyposis 4. Those with hereditary nonpolyposis colorectal cancer (Lynch syndrome) 5. Those with severe diverticulum that infers safe examination 6. Those who cannot take pretreatment medication before colonoscopy 7. Those who has an allergy for pretreatment medication or sedative agent 8. Those whose colorectal adenoma or colorectal cancer has been already identified 9. Those who is pregnant 10.Those who is breastfeeding 11.Those whose consent cannot be obtained 12.Those who is confirmed to be inappropriate for participation by the doctor in charge of the study 13.Those who has already been enrolled for this study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of adenoma per colonoscopy in the group with ETF System and the control group | — |
Secondary
| Measure | Time frame |
|---|---|
| Adenoma detection rate, Number of adenoma per colonoscopy in the right-sided colon, Adenoma detection rate in the right-sided colon, Sessile serrated lesion detection rate, Withdrawal time during colonoscopy, Visual gaze pattern distribution of endoscopist, Visual gaze pattern during treatment of colorectal polyp, Visual gaze velocity of endoscopist, etc. | — |
Countries
Japan
Contacts
Public ContactMizuki Nagai
International University of Health and Welfare Ichikawa Hospital Gastroenterology and Hepatology
Outcome results
None listed