Colorectal polyps colonoscopy, polyp, cold snare polypectomy, submucosal injection
Conditions
Interventions
Polyp is removed by cold snare polypectomy with SnareMaster plus (Olympus Corporation, Tokyo, Japan). Normal saline solution mixed with indigo carmine is injected into submucosal layer before performi
Experimental Procedure/Surgery,Active Comparator Procedure/Surgery
cold snare polypectomy with submucosal injection,conventional cold snare polypectomy
Sponsors
None listed
Eligibility
Sex/Gender
All
Age
40 Years to 79 Years
Inclusion criteria
Inclusion criteria: Patients aged 40-79 years, and undergoing screening or surveillance colonoscopy with at least one endoscopically diagnosed adenomatous or sessile serrated polyps measuring 3-9 mm.
Exclusion criteria
Exclusion criteria: The participants with endoscopically suspicious of malignant polyps, inflammatory bowel disease, familial polyposis syndrome, use of anticoagulant or antiplatelet therapy, known coagulopathy, pregnancy, or those who do not consent to participate in the study will be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incomplete resection rate 1 month after the procedure Percent | — |
Secondary
| Measure | Time frame |
|---|---|
| En bloc resection rate At the day of colonoscopy Percent,Procedural time At the day of colonoscopy Second,Specimen fragmentation rate At the day of colonoscopy Percent,Procedural adverse events until 1 month after procedure Percent,Resection depth assessed by the pathologists (included muscularis mucosae or submucosa or not) 1 month after procedure Percent | — |
Countries
Thailand
Contacts
Public ContactSukit Pattarajierapan
King Chulalongkorn Memorial Hospital
Outcome results
None listed