Colonoscopic miss rates determined by tandem colonoscopy in high risk patients for colorectal neoplasias: a prospective study
Not Applicable
Recruiting
- Conditions
- Neoplasms
- Registration Number
- KCT0000331
- Lead Sponsor
- Yonsei University, Wonju Severance Christian Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 198
Inclusion Criteria
? Men and women aged 19-75
? Patients with polyp larger than 1cm or more than polyps or invasive colorectal cancer
? Agreed to participate in the study
Exclusion Criteria
? Patients taking aspirin, anticoagulants, antiplatelets.
? Patients with coagulapathy
? Patients with thrombocytopenia
? Patients with polyp less than 2 polyps and smaller than 1cm(except multiple diminutive hyperplastic polyps in rectosigmoid colon)
? Patients with history of partial or total colectomy
? Patients who already participate in another study.
? Patients inappropriate to study considered by the colonoscopists.
Study & Design
- Study Type
- Observational Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method polyp miss rates during the index colonoscopy
- Secondary Outcome Measures
Name Time Method Parameters of index colonoscopy related to polyp miss rate(bowel preparation, intubation time, withdrawl time, number and size of polyps..