Colorectal Adenoma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients with indications for colonoscopy and receiving colonoscopy; (2) Aged =18 years; (3) Signing the written informed consent.
Exclusion criteria
Exclusion criteria: (1) History of colorectal resection; (2) Known colorectal cancer; (3) Known or suspected bowel obstruction or colorectal strictures; (4) Known or suspected polyposis syndrome or Lynch syndrome; (5) Known or suspected severe diverticular segment or active diverticulitis; (6) Diagnosed or suspected inflammatory bowel disease or active colitis; (7) Underwent emergency endoscopy for hemostasis; (8) Anticoagulation precluding biopsy or polypectomy; (9) Pregnancy or lactation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Adenoma detection rate(ADR); | — |
Secondary
| Measure | Time frame |
|---|---|
| Adenoma detection rate in different location;Adenoma detection rate in different size;Adenoma detection rate in different type; Adenoma per colonoscopy (APC);Polyp detection rate (PDR);Polyp per colonoscopy(PPC);Sessile serrated lesions detection rate(SSLDR);Cecal intubation rate;Cecal intubation time ;Withdrawal time; | — |
Countries
China
Contacts
Beijing Friendship Hospital, Capital Medical University