Pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Aged 18 to 70 years; 2.ASA classification I-III; 3.voluntary participation and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. Nerve block time/surgery start time is not within the grouping time; 2. Unclear ultrasound imaging during the implementation of nerve block leads to poor results or unsuccessful nerve block; 3. Patients with known chronic pain; 4. Patients who take analgesics or drug dependence for a long time before surgery; 5. Patients who are known to be allergic to local anesthetics; 6. Unable to cooperate with the research for any reason.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain intensity at postoperative 24 hours; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain intensity at postoperative 12 hours;Pain intensity at postoperative 48 hours;Time to feel pain;PCA consumption;Sleep quality at 1 and 2 day after surgery;Pain at 3 months after surgery;Pain at 3 months after surgery; | — |
Countries
China
Contacts
Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University