osteoarthrosis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Selection criteria (1) Patients with osteoarthrosis, patients undergoing elective knee replacement (2) 18-70 years old (3)BMI:18-30kg/m2 (4)ASA classification I-III Be able to understand and score VAS, sign informed consent form voluntarily, and be willing to comply with the requirements of the test plan.
Exclusion criteria
Exclusion criteria: Exclusion criteria (1) contraindications for bupivacaine; History of allergic or specific reactions to amide local anesthetics (2) Body mass index > 30 kg/m2 (3) Patients with severe heart, lung and renal insufficiency, complicated with various chronic diseases and unable to tolerate surgical anesthesia and mental illness; (4) Those who have a history of alcoholism, opioid allergy or abuse of such drugs; (5) Uncontrolled hypertension and diabetes; (6) emergency surgery patients; (7) Pregnant or lactating women; (8) People with a history of nervous system diseases or unable to communicate normally; Other circumstances that the researcher thinks are not suitable for the group.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Remifentanil dosage;VAS score (resting);VAS score (moving); | — |
Secondary
| Measure | Time frame |
|---|---|
| Sufentanil dosage;Postoperative analgesia satisfaction; | — |
Countries
China
Contacts
The First Affiliated Hospital of USTC (Anhui Provincial Hospital)