total knee arthroplasty
Conditions
Interventions
experimental group:The patient received local adductor nerve block through the knee incision
control group:The patient received adductor nerve block in the medial thigh under the guidance of ultrasound
Sponsors
Beijing Jishuitan Hospital
Eligibility
Sex/Gender
All
Age
50 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1) From November 2020 to June 2021, patients between 50-80 years old who received unilateral total knee arthroplasty in our hospital were selected; 2) Patients diagnosed with primary osteoarthritis; 3) ASA is score I ~ II; 4) The patients have the ability of autonomous behavior, can understand and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1) Patients who are allergic to local anesthetics or can not use NSAIDs; 2) The preoperative knee joint was valgus knee or flexion deformity more than 30 degrees; 3) Patients who used opioid analgesics in the past three months; 4) Patients with hepatic and renal insufficiency; 5) For patients with contraindications to local anesthesia; 6) Patients with chronic pain other than knee joint and ineffective conservative treatment; 7) Unable to complete spinal anesthesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS score at rest;VAS score when knee flexion; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative opioid dosage;knee range of motion;Postoperative walk distance; | — |
Countries
China
Contacts
Public ContactZhou Yixin
Orthopaedic Department, Beijing Jishuitan Hospital
Outcome results
None listed