none
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Colonoscopy is required due to physical examination or clinical symptoms, and there are no contraindications between colonoscopy and oral laxatives; 2. First colonoscopy; 3. Age =18 years old; 4. Persons with autonomous capacity; 5. Sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with inflammatory bowel disease; 2. Patients who have a history of epilepsy or are at high risk of epileptic seizures or who take tricyclic antidepressants for depression; 3. Drugs that affect gastrointestinal motility are being used (kinetotropic drugs, erythromycin antibiotics, laxatives, calcium channel blockers); 4. severe intestinal obstruction or stenosis; 5. Combined with severe organic lesions of the heart, lungs, liver, kidneys, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Boston Bowel Preparation Scale; | — |
Secondary
| Measure | Time frame |
|---|---|
| Effective clearance;Polyp detection rate; | — |
Countries
China
Contacts
Beijing Friendship Hospital,Capital Medical University