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Radiographic and Clinical Results of Combined Bone and Soft-Tissue Tailored Surgeries for Hip Dislocation and
Giulia Beltrame1, Artemisia Panou2, Andrea Peccati3
1Residency Program in Orthopaedic and Traumatology, University of Milan, 20122 Milan, Italy.
Insights
Tailored surgeries for hip dislocations in children with cerebral palsy (CP) show significant middle-term improvements in hip alignment. Achieving concentric reduction and soft-tissue balance is key to preventing recurrence and improving joint health.
Area of Science:
- Pediatric Orthopedics
- Cerebral Palsy Research
- Surgical Outcomes
Background:
- Hip subluxation and dislocation are common complications in children with cerebral palsy (CP).
- These conditions can lead to pain, impaired mobility, and further joint degeneration.
- Tailored surgical interventions aim to address these complex hip deformities.
Purpose of the Study:
- To evaluate the middle-term efficacy of combined bone and soft-tissue surgical procedures for hip instability in children with CP.
- To assess the impact of these tailored surgeries on radiographic parameters and clinical outcomes.
Main Methods:
- Retrospective review of 87 hip surgeries in 73 children with CP.
- Procedures included soft-tissue releases, VDO (vertical derotation osteotomy), and pelvic osteotomy.
- Radiographic measurements (AI, RI, NSA) were analyzed preoperatively, postoperatively, and at 12 and 24 months follow-up.
Main Results:
- All radiographic parameters demonstrated persistent, statistically significant improvement post-surgery and during follow-up.
- Surgical outcomes were not significantly influenced by patient age or GMFCS (Gross Motor Function Classification System) levels at the time of surgery.
Conclusions:
- Achieving concentric reduction of the femoral head and rebalancing soft tissues creates an optimal environment for joint remodeling.
- This anatomical congruency is crucial for maintaining physiological joint pressure and preventing hip tái phát.
- Tailored surgical strategies offer a protective effect against recurrence in pediatric CP hip instability.
Background/Objectives:
The aim of the study is to present middle-term results of tailored bone and soft-tissue surgeries in subluxated and dislocated hips in children affected by cerebral palsy.
Methods:
A total of 87 medical records belonging to 73 children affected by CP, treated with combined soft-tissue releases, VDO, and pelvic osteotomy, were reviewed retrospectively. Radiological measurements of AI, RI, and NSA were obtained before surgery, postoperatively, at 12 and 24 months after surgery. Results were assessed globally and by GMFCS, age, and Robin score.
Results:
Postoperative results are not statistically influenced by age and GMFCS levels at surgery. All three radiographic parameters showed persistent statistically significant improvement after surgery and at follow-up, respectively.
Conclusions:
Obtaining the best possible concentric reduction of the femoral head in the acetabulum, with simultaneous multilevel soft-tissue rebalancing, creates the best mechanical and biological environment to allow the reshaping of both articular surfaces, obtaining physiological internal joint pressure. The anatomical best congruency is protective from recurrence.

