Total knee arthroplasty
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Age >=18 years old, regardless of gender or ethnicity; 2) ASA physical status ?-?; 3) patients undergoing elective primary total knee arthroplasty; 4) able to understand and complete the NRS; 5) informed about the content and significance of this study and signed informed consent;
Exclusion criteria
Exclusion criteria: 1) Refusal to participate in the study; 2) the buccal needle puncture site was infected or damaged; 3) abnormal coagulation function; 4) patients who were unable to communicate before surgery due to severe dementia, language disorder, or unable to cooperate to complete the NRS pain assessment scale; 5) Other conditions considered by the attending doctor or investigator to be unsuitable for the study {e.g., pain caused by other reasons (including infection, malignant tumor, etc.) and pain unrelated to surgical diseases that have existed in the past and continue till now};
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pain;Serum levels of 2-AG, AEA, AA and prostaglandin; | — |
Secondary
| Measure | Time frame |
|---|---|
| Quality of Recovery-15;Postoperative range of motion of the affected knee joint ROM score; | — |
Countries
China
Contacts
People's Hospital of Ningxia Hui Autonomous Region