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Arthroplasty in high grade congenital hip dislocation: Personal experience and review of the literature
F Randelli1, P Randelli, O Visentin
1Ospedale San Donato, Divisione di Ortopedia e Traumatologia II, Centro di Chirurgia dellAnca, Milan.
Insights
Total hip arthroplasty for congenital hip dislocation requires precise acetabular positioning and surgical approach. This study highlights key techniques and implants for successful outcomes in complex cases.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Congenital high-grade hip dislocation presents significant challenges for total hip arthroplasty (THA).
- Optimal surgical techniques are crucial for successful reconstruction in these complex cases.
Purpose of the Study:
- To review key surgical considerations and outcomes for total hip arthroplasty in congenital high-grade hip dislocation.
- To evaluate the use of specific implants and surgical approaches in this patient population.
Main Methods:
- Review of selected cases and relevant literature data.
- Surgical procedures involving acetabular positioning, surgical approach (exposure and release), and implant selection (Zweymuller/Wagner cups, Conus/Alloclassic stems).
- Inclusion of a one-step procedure with shortening femoral osteotomy for refractory reduction.
Main Results:
- Good primary stability was achieved with both Zweymuller and Wagner acetabular cups.
- The Conus stem (Wagner) or Alloclassic stem were utilized based on femoral shape.
- A one-step surgical approach combined with femoral osteotomy facilitated reduction in challenging cases.
Conclusions:
- Acetabular positioning and surgical approach are critical for successful THA in congenital hip dislocation.
- Specific implant choices and techniques like femoral osteotomy can address the complexities of this condition.
- Careful surgical planning and execution are essential to manage potential complications.
Abstract:
Total hip arthroplasty (THA) in congenital high grade hip dislocation often represents a problematic issue. Reviewing their selected cases and literature data, authors focus on some key points for this demanding surgery. Most important steps are acetabular positioning and surgical approach (exposure and release). We used two different cups, the Zweymuller and the Wagner cup, with good primary stability. A Conus stem (Wagner) or an Alloclassic stem (in less displastic femoral shape) were used. We always performed this surgery as a one step procedure. In the same cases a shortening femoral osteotomy was performed to allow refractory reduction. Possible complications are discussed. (Hip International 2002; 2: 139-41).
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