Knee Osteoarthritis
Conditions
Interventions
Group A:The residual femoral pulp was blocked with bone wax on the basis of autogenous osteotomy block during the operation, and the exposed cancellous bone surface around the femoral and tibial prost
Group B:The residual femoral pulp was blocked with bone wax only on the basis of filling the femoral pulp cavity with autogenous osteotomy block.
Group C:Apply bone wax to the exposed cancellous bone surfaces around the femoral and tibial prosthesis and seal the nail holes only after fixation of the prosthesis
Group D:No bone wax was used
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: (1) All patients diagnosed with osteoarthritis (OA) and undergoing primary unilateral total knee arthroplasty; (2) age 18-80 years; (3) preoperative American Society of Anesthesiologists (ASA) classification (anesthesia risk assessment) of grade I-III
Exclusion criteria
Exclusion criteria: (1) preoperative anemia or blood system diseases, baseline hemoglobin lower than 11 g/dL; (2) long-term use of anticoagulants; (3) preoperative lower limb vascular disease; (4) poor compliance; (5) high-risk medical comorbidities (liver and kidney function diseases); (6) revision surgery; (7) history of major knee surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total blood loss;Blood transfusion rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| occult blood loss;Intraoperative blood loss;Incidence of postoperative complications;Indicator of inflammation level;Visual analogue scale pain score;Range of knee motion;Lower Limb Diameter (Perimeter of the Patellar); | — |
Countries
China
Contacts
Public ContactKang Pengde
West China Hospital, Sichuan University
Outcome results
None listed