Osteonecrosis of the femoral head
Conditions
Interventions
Group A:After osteotomy, the osteotomy surface of the proximal femur is sealed with bone wax and after the implant is placed, the bone wax is sealed around the implant.
Group B:Seal bone wax around the prosthesis only after the prosthesis is installed.
Group C:No bone wax is used
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: (1) Patients who underwent initial unilateral THA at our hospital for osteoarthritis of the hip joint, femoral head necrosis (Ficat stage IIIB or IV) or hip dysplasia (Crowe type I or II); (2) American Society of Anesthesiologists (ASA) classification I to III; (3) normal quadriceps muscle strength.
Exclusion criteria
Exclusion criteria: (1) Impaired coagulation function due to preoperative use of anticoagulant drugs; (2) well-controlled hypertension (3) history of arteriovenous thromboembolism, high medical risk comorbidities (4) revision surgery for rheumatoid arthritis (5)BMI = 35 kg/m2 (6) previous hip surgery (7) Unable to communicate verbally.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total blood loss; | — |
Secondary
| Measure | Time frame |
|---|---|
| occult blood loss;Intraoperative blood loss;Blood transfusion rate;Incidence of postoperative complications;Indicator of inflammation level;Range of hip motion;Visual analogue scale pain score; | — |
Countries
China
Contacts
Public ContactKang Pengde
West China Hospital, Sichuan University
Outcome results
None listed