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Revision total hip arthroplasty with proximal bone loss
Stephen B Murphy1, Jose Rodriguez
1Center for Computer Assisted and Reconstructive Surgery, New England Baptist Hospital, and Tufts University School of Medicine, Boston, Massachusetts 02120, USA.
The Journal of Arthroplasty
|June 11, 2004
Summary
Revision total hip arthroplasty is challenging with a compromised proximal femur. Distally fixed femoral stems offer a reliable solution for reconstructing these complex cases, ensuring independent control of femur dimensions.
Area of Science:
- Orthopedic surgery
- Biomechanical engineering
Background:
- Revision total hip arthroplasty presents significant challenges, particularly with proximal femur compromise.
- Deficient or mechanically unstable proximal femurs require specialized reconstructive techniques.
Purpose of the Study:
- To evaluate the efficacy of a modular, tapered, and distally fixed femoral stem for revision hip arthroplasty.
- To assess the ability of this implant to independently control femoral length, offset, and anteversion in compromised femurs.
Main Methods:
- Utilized a modular, tapered, and distally fixed femoral stem for reconstruction.
- Focused on cases with deficient or mechanically compromised proximal femurs.
- Analyzed mid-term clinical and radiographic outcomes.
Main Results:
- The modular, distally fixed stem demonstrated reliable performance in complex cases.
- Independent control of femoral length, offset, and anteversion was achieved.
- Mid-term results indicate successful reconstruction in challenging proximal femur scenarios.
Conclusions:
- Distal fixation using a modular, tapered stem is a dependable strategy for revision total hip arthroplasty with proximal femur deficiency.
- This approach provides a reliable solution for complex femoral reconstructions.