gastric intestinal metaplasia
Conditions
Interventions
Two biopsies of the gastric mucosa for histopathological confirmation of intestinal metaplasia.
Sponsors
International University of Health and Welfare
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients aged 18 years or older. 2. Patients who meet either of the following conditions (i) or (ii): (i) Patients diagnosed with atrophic gastritis (AG) or intestinal metaplasia (IM) in previous endoscopic examinations. (ii) Patients currently infected with Helicobacter pylori or who have undergone eradication therapy in the past. 3. Patients from whom written informed consent for participation in this study has been obtained.
Exclusion criteria
Exclusion criteria: 1. Patients who are unable to discontinue antithrombotic medication. 2. Pregnant women or women who may be pregnant. 3. Others.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic sensitivity of the developed AI for gastric intestinal metaplasia | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Diagnostic specificity of gastric intestinal metaplasia (IM) by the developed AI 2. Diagnostic sensitivity and specificity of IM based on physicians' endoscopic diagnosis 3. Concordance rate of OLGA/OLGIM grading between the developed AI and histopathology 4. Concordance rate of OLGA/OLGIM grading between physicians' endoscopic diagnosis and histopathology 5. Diagnostic sensitivity and specificity of IM using the virtual chromoendoscopy program 6. Diagnostic accuracy of IM stratified by physicians' level of experience 7. Diagnostic accuracy of IM stratified by patient characteristics | — |
Countries
Japan
Contacts
Public ContactSho Suzuki
International University of Health and Welfare, Ichikawa General Hospital Gastroenterology
Outcome results
None listed