Second Forward View Examination of Proximal Colon on Adenoma Detection Rate

Ningbo No. 1 Hospital

Status: Completed

Conditions: Colon Adenoma

Treatments: Procedure: Second Examination

Study type: Interventional

Funder types: Other

Identifiers

NCT03619122

2018-R014

Details and patient eligibility

About

This clinical trial is being conducted to assess whether second forward view examination of proximal colon could increase adenoma detection rate of right colon.

Enrollment: 392 patients

Sex: All

Ages: 18 to 75 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• all patients undergoing colonoscopy for screening in our hospital

Exclusion criteria

• previous history of resection of colon;
• familial polyposis syndrome
• inflammatory bowel disease
• active antiplatelet or anticoagulant therapy prevent polypectomy;
• pregnancy or lactating women

Trial design

Primary purpose: Screening

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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392 participants in 2 patient groups

Second Examination

Experimental group

Description:

Eligible patients who consent to participate undergo planned colonoscopy by endoscopists performing procedures that day per normal standard of care. The colonoscope is passed to the cecum and then withdrawn to the hepatic flexure with washing and aspirating of colonic contents as needed to optimize visualization of colonic mucosa. Then, the colonoscope is inserted to the cecum and withdrawn to the hepatic flexure again for second examination.

Treatment:

Procedure: Second Examination

Traditional Examinaiton

No Intervention group

Description:

Eligible patients who consent to participate undergo planned colonoscopy by endoscopists performing procedures that day per normal standard of care. The colonoscope is passed to the cecum and then withdrawn to the hepatic flexure with washing and aspirating of colonic contents as needed to optimize visualization of colonic mucosa. Then, the colonoscope is withdrawn to the anus directly.