None listed
Conditions
Interventions
Procedure/Surgery : 1. experimental group : anchoring EMR on 20-30mm size colorectal polyp
2. active comparator group : ESD on 20-30mm size colorectal polyp
In Anchoring EMR, endoscopist submucosall
Sponsors
Hallym University Medical Center-Kangnam
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients will be included in the study if they fulfill the following criteria: • Age of 19 -85 years • able to provide written informed consent • patient with 20-30 mm sized JNET IIA colorectal polyps with low possibility of submucosal invasion on narrow band imaging
Exclusion criteria
Exclusion criteria: Patients will be excluded in the study if they fulfill the following criteria: • Age of 85 years • inable to provide written informed consent • patient with confirmed malignant polyps, suspected deep invasive polyps on narrow band imaging (JENT IIB or JNET III polyp on NBI), previously incomplete resection polyps, subepithelial lesion, pedunculated polyps • Polyps in location where endoscopic procedure is difficult (located on dentate line within 3cm, IC valve, appendicile orifice polyp) • inflammatory bowel disease patients, uninterrupted antithrombotic therapy patients, coagulopathy patients
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| recurrence rate as determined by endoscopic assessment (no visible recurrent polyps) and histological assessment (scar biopsies) on surveillance colonoscopy | — |
Secondary
| Measure | Time frame |
|---|---|
| procedure time (measured as the time from the submucosal injection to complete removal of the polyp based on endoscopic assessment);intra-procedural and post-procedural adverse effect(delayed bleeding, immediate perforation, delayed perforation) | — |
Countries
Korea, Republic of
Contacts
Public ContactChang Kyo Oh
Hallym University Medical Center-Kangnam
Outcome results
None listed