total knee arthroplasty
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ? Patients requiring unilateral total knee arthroplasty who voluntarily participated in the study and signed informed consent;? Age 18-75 years old, gender is not limited; ? American Society of Anesthesiologists (ASA) Grade I-III; ?Body mass index (BMI) 18-40 kg/m2.
Exclusion criteria
Exclusion criteria: ? Allergic to opioids and amides; ? Past history of neurological disease or abnormal coagulation function; ? Patients with previous knee surgery history; Long-term use of opioids or severe alcohol abuse; ? People with mental cognitive disabilities; ? Those who refuse to participate or ask to quit midway.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Rest VAS score at 24h ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Rest and exercise VAS scores at other time points after surgery;quadriceps strength at each time point after operation;knee active range of motion (ROM) at each time point after operation;Intraoperative opioid consumption and postoperative opioid consumption for 24 hours;the leaving bed time;hospital stay;Time of first request for remedial analgesia;Incidence of postoperative nausea and vomiting;time to perform the blocks; | — |
Countries
China
Contacts
The First Affiliated Hospital of Chongqing Medical University