Gastric Neoplasia
Conditions
Brief summary
The aim of the study is to evaluate the diagnostic value of high definition endoscopy and optic enhancement in gastric neoplasia.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* patients with dyspeptic symptoms and aged 40 years or older * or patients with Helicobacter pylori infection, or histologically verified gastric intestinal metaplasia or atrophic gastritis * or patients with family history of gastric cancer
Exclusion criteria
* presence of gastrectomy, acute gastrointestinal bleeding, or known gastric neoplasia * presence of conditions unsuitable for endoscopy procedure including coagulopathy, impaired cardiopulmonary function , pregnancy or breastfeeding * inability to provide informed consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensitivity of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months |
| Specificity of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months |
| Positive predictive value of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months |
| Negative predictive value of optical enhancement endoscopy in diagnosis of gastric neoplasia | 8 months |
Secondary
| Measure | Time frame |
|---|---|
| The inter-observer and intra-observer agreement of optic enhancement endoscopy in gastric neoplasia | 8 months |
Countries
China