Effect of Single Colonoscopy on Colorectal Adenomas Detection

Wuxi People's Hospital

Status: Unknown

Conditions: Colonic Polyps

Treatments: Other: doctor experience

Study type: Observational

Funder types: Other

Identifiers

NCT02693886

WX0302-B010507-150031-PB

Details and patient eligibility

About

Individualized colonoscopy withdrawal time is determined based on the different grade of physician experience and quality of bowel preparation.

Enrollment: 10,000 estimated patients

Sex: All

Ages: 40 to 80 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

1. Greater than the age of 40;
2. Pathology and endoscopic data recorded available and detailed;
3. Whole bowel staining endoscopy is not done.

Exclusion criteria

1. Not reach the ileocecal junction;
2. Colorectal cancer;
3. Familial adenomatous polyposis;
4. Inflammatory bowel disease;
5. Part of the bowel resection.

Trial design

10,000 participants in 4 patient groups

A group

Description:

Experience of endoscopist: >2000 cases

Treatment:

Other: doctor experience

B group

Description:

Experience of endoscopist:between 1000 and 2000 cases

Treatment:

Other: doctor experience

C group

Description:

Experience of endoscopist:between 500 and 1000 cases

Treatment:

Other: doctor experience

D group

Description:

Experience of endoscopist:<500 cases

Treatment:

Other: doctor experience