Small colorectal polyp
Conditions
Interventions
Index test:Accuracy, 
rate 
and 
of 
resected 
by 
cold 
trap 
combined 
with 
NBI-NearFocus.
Sponsors
The First Affiliated Hospital of Shandong First Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Inpatients aged 18 to 80 years; 2.This is a 5-9mm diameter polyp with no pedicle, subti, or flat polyp (Paris classification: 0-Is, 0-Isp, 0-IIa); 3.Patients who agreed to participate in this study.
Exclusion criteria
Exclusion criteria: 1.Patients taking antiplatelet and anticoagulant drugs, or those with coagulation dysfunction (PT prolongation greater than 3S); 2.Polyp diameter >= 10mm, inconsistent shape or JNET classification >= type 2B; 3.Serious heart, liver and kidney dysfunction or mental illness; 4.Intestinal obstruction and inflammatory bowel disease, in line with the diagnosis of Lynch syndrome and FAP; 5.Pregnancy; 6.Unqualified intestinal preparation (BBPS < 6 points).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Histological complete resection rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Residual rate;Block removal rate;Mute time;Size, shape and number of polyps;Postoperative bleeding rate, perforation rate;Whether endoscopic hemostasis is necessary for secondary bleeding after surgery; | — |
Countries
China
Contacts
Public ContactAi Shuaishuai
The First Affiliated Hospital of Shandong First Medical University
Outcome results
None listed