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Total Hip Arthroplasty for Crown ? Developmental Dysplasia of the Hip: A Prospective Randomized Controlled Study on Subtrochanteric Derotational Osteotomy

Total Hip Arthroplasty for Crown ? Developmental Dysplasia of the Hip: A Prospective Randomized Controlled Study on Subtrochanteric Derotational Osteotomy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500113308
Enrollment
Unknown
Registered
2025-11-27
Start date
2025-12-01
Completion date
Unknown
Last updated
2025-12-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Developmental Dysplasia of the Hip

Interventions

test group:For patients with Crowe IV DDH who require subtrochanteric osteotomy, derotation of the femur should be performed after the osteotomy is completed, with the target of achieving the functio
control group:For patients with Crowe IV DDH who require subtrochanteric osteotomy, no derotation of the femur will be performed after the osteotomy is completed.

Sponsors

The Fourth Medical Center of PLA General Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Adult patients with a preoperative diagnosis of Crowe IV DDH: those with severely impaired daily functions who require total hip arthroplasty, and for whom subtrochanteric osteotomy is indicated during the arthroplasty; 2. Patients with independent decision-making capacity who are willing to comply with study guidelines and sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. A history of previous surgeries involving the hip joint, pelvis, or knee joint; 2. A history of infection or trauma to the hip joint, pelvis, or knee joint; 3. Severe flexion contracture deformity of the hip or knee joint; 4. A history of neurological diseases or poliomyelitis; 5. Patients who refuse to participate in this study.

Design outcomes

Primary

MeasureTime frame
Harris Hip Scoring;visual analogue scale;Muscle strength and function of gluteus medius;

Secondary

MeasureTime frame
Western Ontario and McMaster Universities Osteoarthritis Index;Hip dislocation rate;Lower limb length difference;

Countries

China

Contacts

Public ContactChai Wei

Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital,

chaiwei301@163.com+86 136 0137 2998

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026