precancerous lesion of the colon
Conditions
Interventions
Mucosal exposure device + AI-AI group:Subjects were subjected to back-to-back colonoscopy with the first observation using a mucosal exposure device + AI-assisted colonoscopy, and a second observation
AI- AI+ Mucosal Exposure Device group:Subjects were subjected to back-to-back colonoscopies with the first observation using a AI-assisted colonoscope and a second observation using a mucosal exposure
Sponsors
Shanghai tenth people's hospital
Eligibility
Sex/Gender
All
Age
45 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1) Male or female, aged 45–75 years. 2) Individuals undergoing colorectal cancer screening. 3) Self-evaluated good bowel preparation (watery stool without residue or clear liquid stool). 4) Willing to participate in this clinical trial and has signed the informed consent form.
Exclusion criteria
Exclusion criteria: 1) Patients suspected or confirmed to have colorectal cancer based on imaging, laboratory tests (CEA > 20 ng/ml), or clinical findings (e.g., palpable abdominal mass, positive digital rectal examination, unexplained weight loss, or anemia). 2) Patients with abnormal blood coagulation, or those who have taken antiplatelet or anticoagulant agents within the past 7 days. 3) Patients with inflammatory bowel disease or polyposis syndromes. 4) History of colectomy or abdominal surgery. 5) Patients with severe comorbidities or other high-risk conditions who cannot tolerate endoscopic examination. 6) Patients who refuse to sign the informed consent form, or any other condition deemed inappropriate for enrollment or that may affect participation in the study. Exclusion After Enrollment (Elimination Criteria) 1) Patients in whom colonoscope insertion is difficult (initial insertion time > 7 minutes). 2) Poor bowel preparation (any bowel preparation score < 2). 3) Patients requiring withdrawal of the mucosal exposure device during colonoscopy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| adenoma miss rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| polyp miss rate ;sessile serrated lesion miss rate; | — |
Countries
china
Contacts
Public Contactliu feng
Shanghai tenth people's hospital
Outcome results
None listed