None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients will be included in the study if they fulfill the following criteria: • Age of 19 years and older • able to provide written informed consent • patient with 20-50 mm sized superficial colorectal neoplasias scheduled endoscopic submucosal dissection
Exclusion criteria
Exclusion criteria: Patients will be excluded in the study if they fulfill the following criteria: • Age of <19 years • inable to provide written informed consent • patient with suspected deep invasive neoplasias, previously incomplete resection neoplasias, subepithelial lesion, protruded neoplasias, pedunculated neoplasias • located on ano-rectal juction, IC valve, appendicile orifice superficial colorectal neoplasias • inflammatory bowel disease patients, uninterrupted antithrombotic therapy patients, coagulopathy patients
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| dissection speed (mm2/min), which was defined as the calculated ratio of the resected specimen area (mm2) divided by the procedure time (minutes). | — |
Secondary
| Measure | Time frame |
|---|---|
| procedure time (measured as the time from the submucosal injection to complete removal of the superficial colorectal neoplasia based on endoscopic assessment);R0 resection;intra-procedural and post-procedural adverse effect(delayed bleeding, immediate perforation, delayed perforation) | — |
Countries
Korea, Republic of
Contacts
Hallym University Medical Center-Kangnam