Knee joint disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Requires unilateral total knee arthroplasty. 2.Age 18-80 years. 3.ASA I-II grade. 4.BMI 18-30 kg/m^2. 5.Voluntary and signed informed consent form. 6.Ability to walk independently for at least 20 meters. 7.Normal sensory function in the distribution area of the sciatic nerve.
Exclusion criteria
Exclusion criteria: 1.Preoperative opioid therapy. 2.Allergic to the study drug. 3.Unable to use or understand patient-controlled analgesia (PCA) device. 4.Infection at the site of nerve block puncture. 5.Ultrasound could not identify the anatomical structure or identify the body surface location. 6.Nerve disorders. 7.Coagulation dysfunction. 8.Those who refuse to sign informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain score;Blocking onset time;Duration of sensory block;Duration of motor block;Knee joint range of motion; | — |
Secondary
| Measure | Time frame |
|---|---|
| Consumption of opioid medications;Rescue analgesia time and frequency;Satisfaction with pain management;Adverse reactions;Duration of hospitalization; | — |
Countries
China
Contacts
Department of Anesthesiology, Fujian Provincial Hospital