Knee Osteoartritis
Conditions
Interventions
A:Tourniquet inflated before incision and deflated after the closure of the incision
B:Tourniquet inflated before incision and deflated after the hardening of the cement
C:The tourniquet inflated before prosthesis placement and deflated after the hardening of the cement.
D:Tourniquet free
Sponsors
Department of Orthopaedics, West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
25 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Primary unilateral total knee artropasty; 2. Patients with Knee osteoarthritis; 3. To be able to and willing to provide signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Simultaneously bilateral total knee artropasty or revision case; 2. Surgical History of the knee joint; 3. Knee joint cavity paracentesis in recent 3 months; 4. Stiffness with knee; 5. Blood coagulation disorders; 6. History of deep venous thrombosis; 7. Concomitant medical problems such as uncontrolled hypertention, severe cardiovascular disorder, chronic obstructive pulmonary disease, liver or renal failure.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Maximum total point motion;isometric quadriceps muscle torque; | — |
Secondary
| Measure | Time frame |
|---|---|
| Inflamational factors (ESR, CRP, IL-6, CK, myoglobin);translation (x, y, z);Rotation (x, y, z);Insall Salvati index;Modified Insall Salvati index;Plateau-patella angle;Mechanical leg alignment;Tibial cement mantle thickness;Swelling;ROM;KSS;VAS pain;unilateral balance test;cumulated ambulation score;TUG test;KOOS;KSS; | — |
Countries
China
Contacts
Public ContactZhou Zong-ke
Department of Orthopaedics, West China Hospital, Sichuan University
Outcome results
None listed