Colorectal pylops
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients agedd between 20-85 years; 2. Patients with indications for screening, surveillance and diagnostic colonoscopy; 3. Patients who have received at least 3-L polyethylene glycol for bowel preparation; 4. Patients who have signed inform consent form.
Exclusion criteria
Exclusion criteria: Patients who have undergone colonic resection Patients with intracranial and/or central nervous system disease, including cerebral infarction and cerebral hemorrhage. Patients with severe chronic cardiopulmonary and renal disease. Patients who are unwilling or unable to consent. Patients who are not suitable for colonoscopy Patients who received urgent or therapeutic colonoscopy Patients with pregnancy, inflammatory bowel disease, polyposis of colon, colorectal cancer, or intestinal obstruction Patients who are taking aspirin, clopidogrel or other anticoagulants Patients with Boston Bowel Preparation Scale (BBPS) < 6
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Polyp detection rate(PDR); | — |
Secondary
| Measure | Time frame |
|---|---|
| Polyps per positive patients (PPP);Polyps per colonoscopy (PPC);Polyp detection rate-Plus (PDR-Plus); | — |
Countries
China
Contacts
The First Affiliated Hospital, College of Medicine, Zhejiang University