Total knee arthroplasty
Conditions
Interventions
experiment group:Sciatic nerve block + femoral nerve block
control group:Intra articular local anesthetic injection+Intra-articular local anesthetic injection
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Age
60 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Unilateral total knee arthroplasty was planned; 2. Aged 60 to 80 years, weighted 50 to 90kg, ASA grade I - II; 3. Normal cognitive function; 4. The functions of heart, lung, liver and kidney were basically normal, and the patient had no clear contraindications; 5. Voluntarily join the study cohort and be able to cooperate to observe adverse events and curative effects; 6. Written informed consent signed by the patient or his legal representative; 7. The visit time is from October 2021 to October 2022.
Exclusion criteria
Exclusion criteria: 1. There are definite contraindications of nerve block (abnormal coagulation function, infection at puncture site, etc.): 2. Failure to cooperate to complete nerve block (patients with unconsciousness or mental abnormalities); 3. Hypersensitivity to ultrasound couplants, local anesthetics or opioids; 4. The general condition is poor and can not tolerate surgical treatment; 5. Long term oral analgesics; 6. Contraindication of spinal anesthesia 7. Other unsuitable candidates evaluated by clinicians.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS; | — |
Secondary
| Measure | Time frame |
|---|---|
| Lower limb muscle strength;Knee and ankle range of motion; | — |
Countries
China
Contacts
Public ContactWang Liwei
Peking University Third Hospital
Outcome results
None listed