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The dislocating hip arthroplasty: prevention and treatment
Preetesh D Patel1, Aaron Potts, Mark I Froimson
1Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio 44195, USA.
The Journal of Arthroplasty
|August 25, 2007
Summary
Hip dislocation is a common complication following hip replacement surgery. Treatment involves closed reduction and conservative measures, with surgery reserved for recurrent cases. Proper component positioning is crucial for preventing further dislocations.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Recurrent hip dislocation is a significant complication after hip arthroplasty, leading to functional impairment and patient dissatisfaction.
- Multifactorial etiologies include component malpositioning, soft tissue laxity, and impingement.
- Current conservative treatments lack strong evidence.
Purpose of the Study:
- To outline an evidence-based algorithm for managing dislocating hips after arthroplasty.
- To emphasize the importance of proper component positioning in preventing dislocation.
- To review surgical options for recurrent hip dislocations.
Main Methods:
- Review of current literature on hip dislocation management.
- Analysis of factors contributing to hip instability.
- Description of a surgical algorithm for addressing dislocation causes.
Main Results:
- Proper component positioning is paramount for preventing dislocation.
- Surgical interventions focus on correcting underlying causes.
- Advanced options like modular implants, jumbo heads, increased offset, and constrained acetabular components can be considered.
Conclusions:
- A systematic approach to managing dislocating hips is essential.
- Optimizing component placement is key to successful outcomes.
- Surgical management should be tailored to the individual patient's anatomy and dislocation etiology.