osteoarthritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. patients with osteoarthritis and have to undergo TKA; 2. Aged 55-80 years old; 3. BMI: 20-35 kg/m2; 4. American Society of Anesthesiologists degree before operation grade I~III.
Exclusion criteria
Exclusion criteria: 1. allergic to anaesthetic and sulfa drugs; 2. severe osteoarthritis with malformation; 3. bibulosity or Long-term opioid drugs; 4. can not communicate; 5. surgery leg happen neuropathy; 6. mentally disordered patients; 7. patients with digestive tract ulcer
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain;muscular strength; | — |
Secondary
| Measure | Time frame |
|---|---|
| Range of motion;Opioid drug usage;Medical costs;TUG test;Hospital stay;The time to ambulation; | — |
Countries
China
Contacts
West China Hospital, Sichuan University