Developmental Dysplasia of the Hip
Conditions
Interventions
Reconstruction group:Total hip arthroplasty was performed, and the gluteus medius was reconstructed using an autologous peroneus longus tendon.
Control group:Total hip arthroplasty alone, without gluteus medius reconstruction.
Sponsors
The Fourth Medical Center of Chinese PLA General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Patients with unilateral Hartofilakidis type B or type C developmental dysplasia of the hip requiring primary total hip arthroplasty; 2.Aged 18–80 years, regardless of gender; 3.Patients who have previously undergone pelvic iliac wing osteotomy with shelf acetabuloplasty; 4.Physically and mentally healthy, able to participate in and comply with the trial; 5.No other trauma or infection at the surgical site; 6.No contraindications to harvesting the peroneus longus tendon from the ipsilateral lower limb; 7.Willing to participate in the study and sign a written informed consent form.
Exclusion criteria
Exclusion criteria: 1. A history of spinal or lower limb neuromuscular disorders (like polio, cerebral palsy, etc.); 2. Body Mass Index (BMI) over 35 kg/m^2; 3. Active infection, skin issues, or unhealed wounds at the surgery or ankle site; 4. Severe osteoporosis, instability in the same-side ankle joint, flatfoot, or a past injury to the fibularis longus tendon; 5. Unable to tolerate anesthesia or expected prolonged surgery time; 6. Missing clinical or imaging data, or expected inability to complete follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Harris hip score;Oxford hip score;Observational gait abnormality scale;Trendelenburg sign;Lower limb length discrepancy;Femoral offset;Center of rotation (COR) height and offset; | — |
Secondary
| Measure | Time frame |
|---|---|
| American Orthopaedic Foot and Ankle Society Score;Operation time;Blood loss;Complication; | — |
Countries
China
Contacts
Public ContactWei Chai
The Fourth Medical Center of Chinese People’s Liberation Army General Hospital
Outcome results
None listed