Gastrointestinal metaplasia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1 Men and women aged 50 to 80 at the time of consent acquisition (2) A person who, after receiving sufficient explanation for participation in this research, has obtained a consent based on the free will of the research subject person after sufficient understanding
Exclusion criteria
Exclusion criteria: 1) Patients who can not be biopsied while taking basic diseases or antithrombotic drugs, those who have stomach bleeding 2) Person after gastrectomy 3) In addition, those who the research principal doctor judged inappropriate as the research subject
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of the rating scale of visibility determined by the three judges. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) Comparison of LCI and WLI visibility of the site of intestinal metaplasia before drug spraying 2) Comparison of the LCI range and the WLI range of intestinal metaplasia before drug spraying 3) Comparison of LCI and WLI visibility of the site of intestinal metaplasia after drug spraying 4) Comparison of the LCI range and the WLI range of intestinal metaplasia after drug spraying 5) Comparison of intestinal metaplasia range before and after drug application with LCI 6) Correct diagnosis rate by histopathological diagnosis of intestinal metaplasia (lavender) and non-intestinal metaplasia (non-lavender) diagnosed with LCI 7) Comparison of LCI chromaticity and WLI chromaticity of region of interest (Target Of Interest: LOI) before drug application 8) Comparison of TOI LCI chromaticity and WLI chromaticity after drug application 9) Color comparison of TOI before and after drug application with LCI 10) Comparison of color of TOI before and after drug application with WLI | — |
Contacts
Hakodate National Hospital