serrated leisions
Conditions
Interventions
group of acetic acid:spray 50ml acetic acid (1.5%) from cecuml to hepatic flexure
group of standard colonscopy :no
Sponsors
Shanghai Tenth People's Hospital
Eligibility
Sex/Gender
All
Age
35 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Male or female aged between 35~75 years; 2. Proximal colon BBPS >=2; 3. Agree to participate in this research activity and sign an informed consent.
Exclusion criteria
Exclusion criteria: 1. History of previous polypectomy; 2. Abnormal coagulation function or taking anticoagulant drugs within 7 days before colonoscopy; 3. Familial adenomatous polyposis, patients with Lynch syndrome; 4. Those who are unable to tolerate endoscopy with other diseases or other high-risk conditions; 5. Other factors that affect the subject's participation in the study (inflammatory bowel disease, patients with melanosis coil,et.al).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| proximal serrated polyps detection rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Mean number of proximal adenoma/sessile polyps/polyps detected per colonoscopy;withdrawal time;Proximal diminutive polyps detection rate;Serrated polyps detection rate;Adenoma detection rate;Polyps detection rate;NRS score;Mean number of proximal lesions detected per colonoscopy; | — |
Countries
China
Contacts
Public ContactLiu Feng
Shanghai Tenth People's Hospital
Outcome results
None listed