Knee osteoarthritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients requiring unilateral primary TKA surgery due to severe knee osteoarthritis; 2. Aged 18-80 years; 3. Body mass index 20-35 kg/m2; 4. Preoperative American Society of Anesthesiologists (ASA) rating (anesthesia risk assessment) was I-III.
Exclusion criteria
Exclusion criteria: 1. Allergic to narcotic drugs and sulfonamide; 2. There are more than moderate intraoperative knee deformity (internal and external varus, flexion deformity) and joint stiffness; 3. Alcoholics or chronic users of opioids; 4. Language impairment and inability to complete the visual analogue pain scale (VAS); 5. Patients with neuropathy in the operative limb; 6. Mental patients; 7. Patients with previous digestive tract ulcers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual analogue pain scale (VAS); | — |
Secondary
| Measure | Time frame |
|---|---|
| Range of knee motion;The duration of hospital stay;Incidence of postoperative complications;Gastrocnemius muscle strength; | — |
Countries
China
Contacts
Baoding First Central Hospital