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Intramedullary plugs in cemented hip arthroplasty
G M Beim1, C Lavernia, F R Convery
1Division of Orthopaedics and Rehabilitation, University of California, San Diego 92103.
The Journal of Arthroplasty
|January 1, 1989
Summary
Acrylic bone cement plugs are superior for total joint arthroplasty. This study found only cement plugs prevented leakage and migration during pressurized injection, ensuring better surgical outcomes.
Area of Science:
- Orthopedic surgery
- Biomaterials science
- Medical device engineering
Background:
- Intramedullary plugs are standard in cemented total joint arthroplasty.
- Various plug materials (bone, acrylic cement, polymeric) are used.
- Understanding plug performance is crucial for surgical success.
Purpose of the Study:
- To evaluate the performance of four common intramedullary plug types.
- To assess holding power, migration, and cement leakage.
- To compare acrylic bone cement plugs against bone and polymeric alternatives.
Main Methods:
- In vitro evaluation of four intramedullary plug types.
- Testing under pressurized cement injection conditions.
- Analysis of cement leakage and plug migration.
Main Results:
- Acrylic bone cement plugs effectively prevented distal cement leakage.
- Only acrylic bone cement plugs demonstrated no migration.
- Bone and polymeric plugs showed migration and/or leakage.
Conclusions:
- Acrylic bone cement plugs offer superior performance in cemented arthroplasty.
- These plugs ensure cement containment and stability.
- Findings support the use of acrylic bone cement plugs for improved surgical outcomes.