Knee arthroplasty
Conditions
Interventions
Bupivacaine group:Accept a single block of the adductor tube and administer 266mg (20ml) of bupivacaine liposome
Ropivacaine group:Accepting an indwelling catheter and connecting it to an electronic analgesic pump for PCNA, the drug formula is 0.1% ropivacaine+15ml dexamethasone mixed into 300mL solution, with a
Intravenous analgesia pump group:Postoperative PCVA was performed, with sufentanil 250ug+dexmedetomidine 200ug diluted with saline to 250ml, loading dose: 0.05 µg/kg
Background dose: 0.04 µg/(kg.h)
Single impact dose: 0.01 µg/kg
Locking time 15min
Sponsors
The Second Affiliated Hospital of Guangxi Medical University
Eligibility
Sex/Gender
All
Age
40 Years to 80 Years
Inclusion criteria
Inclusion criteria: (1) Age range from 40 to 80 years old, regardless of gender; (2) ASA I- III; (3) Patients undergoing elective tracheal intubation under general anesthesia for unilateral knee arthroplasty; (4) BMI 18-40kg/m2; (5) Sign an informed consent form and voluntarily participate in this study.
Exclusion criteria
Exclusion criteria: (1) Individuals who are allergic to local anesthetic drugs; (2) Infected person at the puncture site; (3) Important tracheal system diseases (4) Abuse or long-term use of anesthetic, sedative, and analgesic drugs; (5) The researchers believe that subjects with any other unfavorable factors for participating in this experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 15-item Quality of Recovery (QoR-15) scale score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Severity of pain;Number of cases of remedial analgesia;Activity time of firstly get out of bed after surgery;Length of Stay;Adverse reactions; | — |
Countries
China
Contacts
Public ContactXian Haiyan
Department of Anesthesiology, The Second Affiliated Hospital of Guangxi Medical University
Outcome results
None listed