Osteonecrosis of the femoral head
Conditions
Interventions
Trial group (healthy-side concentric circle method digital preoperative planning group):Healthy-side concentric circle method digital preoperative planning (standard bilateral hip anteroposterior X-ra
the trial group additionally underwent three-dimensional CT reconstruction to assist in A-point identification
surgery performed by the same surgical team with >=5 years of experience in DAA-THA)
Control group (conventional template measurement method group):Conventional template measurement method (standard bilateral hip anteroposterior X-ray imaging before surgery
Sponsors
The People’s Hospital of Pizhou / Pizhou City Hospital, Affiliated Hospital of Xuzhou Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Age >=18 years, male or female; 2. Diagnosed with osteonecrosis of the femoral head (ONFH) according to the criteria of the Chinese "Clinical Diagnosis and Treatment Guidelines for Osteonecrosis of the Femoral Head," with etiologies including but not limited to corticosteroids, alcohol, trauma, etc.; 3. Failed conservative treatment, with significant pain and functional impairment, and meeting the indications for total hip arthroplasty (THA); 4. Normal hip joint function and no severe structural abnormalities on the non-operative side (healthy side); 5. Voluntary participation and signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Pathological fracture or acute stage of femoral neck fracture; 2. Prior history of hip or femoral surgery on the ipsilateral lower limb; 3. Developmental dysplasia of the hip (DDH), severe osteoarthritis, or septic arthritis of the affected or healthy side hip joint; 4. Severe osteoporosis or metabolic bone disease (e.g., Paget's disease); 5. Multiple fractures or severe soft tissue injury of the lower limb; 6. Unable to tolerate surgery; 7. Psychiatric illness or inability to comply with follow-up visits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| COR Reconstruction Accuracy ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Leg Length Discrepancy;Cup Abduction Angle and Anteversion Angle;Harris Hip Score;Forgotten Joint Score-12;Perioperative Complications; | — |
Countries
China
Contacts
Public ContactDai Chengbai
The People’s Hospital of Pizhou / Pizhou City Hospital, Affiliated Hospital of Xuzhou Medical University
Outcome results
None listed