Osteoarthritis of knee
Conditions
Interventions
Treatment group:Receive a tourniquet-assisted knee arthroplasty
Control group:Undergo knee arthroplasty without extended tourniquet use
Sponsors
Department of Orthopaedics, Xijing Hospital, the Fourth Military Medical University
Eligibility
Sex/Gender
All
Age
50 Years to 80 Years
Inclusion criteria
Inclusion criteria: Adult patients who plan to undergo primary TKA on simultaneous bilateral knee joints with a diagnosis of osteoarthritis, but not of rheumatoid arthritis.
Exclusion criteria
Exclusion criteria: 1. Aged >50 or 35 kg/m2; 3. Rheumatoid arthritis; 4. Current chronic anticoagulation therapy; 5. Abnormal coagulation function; 6. Local or systematic infection; 7. Severe deformity of the knee: >20 degree varus or ectropion, >30 degree flexion contracture; 8. Previous open-knee surgery; 9. Diseases of the blood system, cerebral infarction, cerebral hemorrhage, active malignancy; 10. Peripheral vascular or nerve disease; 11. Preoperative anemia (a hemoglobin value of <100 g/L); 12. Surgery not by project surgeon; 13. Patients refused to participate in the study; 14. Psychiatric illness.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Quadriceps strength(pre-operation and everyday after the surgery);Knee VAS score after TKA(pre-operation and everyday after the surgery); | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative knee flexion(pre-operation and everyday after the surgery);Postoperative limb swelling;Amount of bleeding during operation;Postoperative draining quantity;Patient satisfaction; | — |
Countries
China
Contacts
Public ContactQingsheng Zhu
Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University
Outcome results
None listed