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Primary total hip replacement with a noncemented acetabular component: minimum 5-year clinical follow-up
W M Ricci1, G H Westrich, M Lorei
1Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, USA.
The Journal of Arthroplasty
|March 9, 2000
Summary
Total hip replacements using the Harris-Galante I acetabular component demonstrated excellent long-term stability and improved patient function. This noncemented fixation showed high radiographic success rates with minimal complications in a 7-year follow-up study.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
- Medical Device Engineering
Background:
- Total hip replacement (THR) is a common procedure to alleviate pain and restore function in patients with hip osteoarthritis.
- Acetabular component fixation is critical for long-term THR success, with cemented and noncemented options available.
- The Harris-Galante I acetabular component is a noncemented design intended to promote biological fixation.
Purpose of the Study:
- To evaluate the clinical and radiographic outcomes of the noncemented Harris-Galante I acetabular component in total hip replacement.
- To assess the long-term survivorship and stability of this acetabular component over a minimum of 5 years.
- To analyze patient-reported functional outcomes following implantation of the Harris-Galante I component.
Main Methods:
- Retrospective review of 123 total hip replacements utilizing the Harris-Galante I acetabular component.
- Minimum 5-year clinical follow-up (average 7 years) including radiographic analysis.
- Assessment of component stability, migration, radiolucency, osteolysis, and clinical outcomes using Harris Hip Score and Hospital for Special Surgery hip score.
Main Results:
- No acetabular components required revision for loosening; only one cup was revised for recurrent dislocation.
- Radiographic analysis of 92 components showed 98% were stable, with no migration observed.
- Significant improvements in average Harris Hip Score (50 to 95) and Hospital for Special Surgery hip score (21 to 38) were recorded.
Conclusions:
- The noncemented Harris-Galante I acetabular component demonstrates excellent clinical results and radiographic stability at a minimum 5-year follow-up.
- This component design provides reliable fixation and contributes to significant functional improvement in patients undergoing total hip replacement.
- The study supports the use of the Harris-Galante I acetabular component for achieving durable outcomes in total hip arthroplasty.