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Salvage of acetabular insufficiency with cementless components
Instructional Course Lectures
|January 1, 1986
Summary
Large bipolar devices or cement-free acetabular components offer excellent hip stability for acetabular insufficiency. These salvage procedures restore hip mechanics, reduce pain, and promote bone healing, extending reconstruction longevity.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Acetabular insufficiency presents significant challenges in hip reconstruction.
- Salvage procedures are necessary for complex cases with bone defects or nonunions.
Purpose of the Study:
- To evaluate the efficacy of large outside-diameter bipolar devices and threaded, cement-free acetabular components in salvaging hips with acetabular insufficiency.
- To assess the impact of these implants on hip stability, mechanics, pain, and bone defect healing.
Main Methods:
- Utilized large outside-diameter bipolar devices.
- Employed threaded, cement-free acetabular components, with and without porous surfaces.
- Incorporated bone grafting techniques.
Main Results:
- These devices provided excellent hip stability.
- Normal or near-normal hip mechanics were maintained or restored.
- Pain was minimized by preventing motion between the cup and bone.
- Bony defects filled, and nonunited fractures healed.
Conclusions:
- Large bipolar or threaded, cement-free acetabular components are effective for salvaging hips with acetabular insufficiency.
- Bone grafting is recommended to prevent medial migration and facilitate future revisions.
- Post-operative use of assistive devices is crucial for long-term reconstruction survival.