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Colonoscopic miss rates determined by tandem colonoscopy in high risk patients for colorectal neoplasias: a prospective study

Colonoscopic miss rates determined by tandem colonoscopy in high risk patients for colorectal neoplasias: a prospective study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0000331
Enrollment
198
Registered
2012-01-29
Start date
2012-01-12
Completion date
Unknown
Last updated
2019-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Yonsei University, Wonju Severance Christian Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

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

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.

Design outcomes

Primary

MeasureTime frame
polyp miss rates during the index colonoscopy—

Secondary

MeasureTime frame
Parameters of index colonoscopy related to polyp miss rate(bowel preparation, intubation time, withdrawl time, number and size of polyps..—

Countries

Korea, Republic of

Contacts

Public ContactJin Heon Hong

Yonsei University, Wonju Severance Christian Hospital

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026