Gastrointestinal diseases
Conditions
Interventions
Gold Standard:White light endoscopy
Index test:Chromoendoscopy 
(acetic 
acid 
staining)
Sponsors
Division of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University,
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. patients with or without gastrointestinal symptoms (abdominal pain, diarrhea, fecal occult blood positive, unexplained hematochezia, bowel habits and traits change and so on), 18 to 85 years old; 2. subjects themselves or their guardians have signed informed consent.
Exclusion criteria
Exclusion criteria: (1) Poor bowel preparation; (2) Definite contraindication for endoscopy; (3) Serious heart and lung disease; (4) Acute gastrointestinal bleeding (not including bleeding hemorrhoids); (5) History of colon resection; (6) Severe mental illness who can not be self rating or not accept enrollees; (7) Confirmed or suspected intestinal obstruction; (8) Refused to sign the consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total lesion detection rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Detection rate of early cancer;Evaluation of operation difficulty;Adverse reaction; | — |
Countries
China
Contacts
Public ContactWang Jinhai
Division of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University,
Outcome results
None listed