None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients undergoing Painless colonoscopy examination; 2.18-65 years old ; 3.American anesthesiologist association ( ASA ) grade I-II ; 4.Body mass index ( BMI ) : 18-28 kg / m^2.
Exclusion criteria
Exclusion criteria: 1.Patients with colonoscopy contraindications and history of intestinal surgery ; 2.To evaluate patients who may have difficult airways ; 3.Patients with severe cardiovascular system, respiratory system, nervous system, liver and kidney disease ; 4.Patients with a history of mental illness and cognitive impairment ; 5. Pregnant or lactating women ; 6.Allergic or contraindication to opioids, propofol and its components.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| ED90 application of propafenone in painless colonoscopy; | — |
Secondary
| Measure | Time frame |
|---|---|
| Mean arterial pressure at each time point;Heart rate at each time point;Pulse oxygen saturation at each time point refers to;time before falling asleep;recovery time;Time of departure;operation time; | — |
Countries
China
Contacts
Traditional Chinese Medical Hospital of Zhuji