adenomatous polyp and serrated lesion in colorectum less than 10mm
Conditions
Interventions
Submucosal injection of 0.001% adrenalin-added saline before cold snare polypectomy for adenomas and serrated tumors smaller than 10 mm.
Conventional cold snare polypectomy
Sponsors
Showa University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Patients with colorectal adenomas and serrated tumors smaller than 10mm. 2) Patients who are 20 to 80 years old at the time of obtaining informed consent. 3) Patients for whom informed consent was obtained in this study.
Exclusion criteria
Exclusion criteria: Patients with above; 1) Incomplete cecal insertion 2) extreme poor bowel preparation 3) Inflammatory bowel disease 4) Active digestive tract bleeding 5) Intestinal stenosis 6) Toxic megacolon 7) Active diverticulitis 8) Familial polyposis coli and Lynch syndrome 9) Not stopping with antithrombotic drugs before examination 10) Unable to rest for a week after colonoscopic procedure 11) Not wishing resection for detected lesions 12) suffering from serious physical and mental illness 13) Judged to be ineligible by the investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Required time for cold snare polypectomy (time from start of resection to confirmation of natural hemostasis and no residual lesion) | — |
Secondary
| Measure | Time frame |
|---|---|
| Total colon observation and total treatment time, all adverse events that occurred during endoscopic observation and treatment. Bleeding rate after polypectomy. Amount of change in vital signs such as blood pressure and pulse before and after treatment. | — |
Countries
Japan
Contacts
Public ContactAtsushi Katagiri
Showa University Hospital Department of Medicine, Division of Gastroenterology
Outcome results
None listed