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The evolution of hip resurfacing arthroplasty
Peter Grigoris1, Paul Roberts, Kostantinos Panousis
1Department of Medical Engineering, School of Engineering, Design, and Technology, University of Bradford, Richmond Road, Bradford, West Yorkshire BD7 1DP, UK. p.grigoris@tellas.gr
The Orthopedic Clinics of North America
|April 19, 2005
Summary
Metal-on-metal hip resurfacing preserves bone and improves hip function. Modern advancements have made this procedure safer and more effective than earlier attempts.
Area of Science:
- Orthopedic surgery
- Biomaterials science
Background:
- Hip resurfacing arthroplasty experienced early failures in the 1970s-1980s.
- Advancements in metal-on-metal articulations have led to a resurgence of hip resurfacing.
- Improved understanding of implant failure has informed current designs.
Purpose of the Study:
- To evaluate the current status and efficacy of modern metal-on-metal hip resurfacing.
- To compare early outcomes with historical hip resurfacing procedures.
Main Methods:
- Review of recent developments in metal-on-metal hip resurfacing technology.
- Analysis of early clinical results from contemporary hip resurfacing systems.
Main Results:
- Modern hip resurfacing preserves bone stock and optimizes biomechanics.
- Early results show reduced rates of loosening and femoral neck fracture compared to historical procedures.
- Current hip resurfacing is considered beyond an experimental stage.
Conclusions:
- Contemporary metal-on-metal hip resurfacing demonstrates promising early outcomes.
- Technological advancements have addressed previous complications, improving safety and efficacy.
- Hip resurfacing is a viable option in hip arthroplasty.