Injection pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged 18-60 years old; 2. Asa1-ii patients; 3. Patients scheduled for elective general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Patients with liver and kidney dysfunction; 2. Patients allergic to the study drug; 3. Patients with nervous system or cardiovascular diseases or obese patients; 4. Patients with difficult airway; 5. Pregnant and lying in women; 6. Patients taking analgesics.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain; | — |
Secondary
| Measure | Time frame |
|---|---|
| intensity of pain; | — |
Countries
China
Contacts
The First Affiliated Hospital of Guangxi Medical University