Gastroesophageal reflux disease
Conditions
Interventions
Los Angeles Grading Model Group:None
Hill Classification Model Group:None
Classification and segmentation model group:None
Sponsors
The First Affiliated Hospital of Dalian Medical University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age >=18 years old; 2. Endoscopic examination will be conducted at the Digestive Endoscopy Center of the First Affiliated Hospital of Dalian Medical University from 2023 to 2025. The examination video can be classified into Los Angeles or Hill grades; 3. The clinical data is complete and there are no interfering factors that affect the diagnosis;
Exclusion criteria
Exclusion criteria: 1. Poor endoscopic video quality (e.g., halo effect, blurriness, excessive mucus or blood); 2. Presence of foreign objects in the video, such as biopsy forceps, gastric tube, or triple-lumen nutrition tube; 3. Coexisting conditions including fungal esophagitis, eosinophilic esophagitis, viral esophagitis, or radiation esophagitis; 4. Coexisting esophageal varices or upper gastrointestinal malignancy; 5. History of upper gastrointestinal surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Model classification accuracy;Consistency between model and endoscopist diagnosis; | — |
Countries
China
Contacts
Public ContactDuan Zhijun
The First Affiliated Hospital of Dalian Medical University
Outcome results
None listed