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Primary ceramic hip replacement: a prospective study of 119 hips
S A Hoffinger1, K J Keggi, L E Zatorski
1Department of Orthopedics and Rehabilitation, Yale University School of Medicine, New Haven, Conn.
Orthopedics
|May 1, 1991
Summary
This study shows ceramic total hip arthroplasty provides excellent long-term outcomes. Ceramic hip implants demonstrated good clinical and radiographic tolerance, with high patient satisfaction scores.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Ceramic bearings are increasingly used in total hip arthroplasty.
- Long-term data on the performance of specific ceramic hip systems is valuable.
Purpose of the Study:
- To evaluate the clinical and radiographic outcomes of the Autophor ceramic total hip arthroplasty system.
- To assess patient satisfaction and revision rates at a minimum of 3 years follow-up.
Main Methods:
- Prospective study of 119 primary ceramic total hip arthroplasties.
- 100% follow-up at a minimum of 3 years.
- Assessment using Harris hip scores and radiographic evaluation.
Main Results:
- Excellent functional outcomes with 91% of surviving hips achieving good or excellent Harris hip scores at 3.4 years.
- Ceramic components showed good clinical and radiographic tolerance.
- Revision rate was 5% (6 hips), with femoral component issues in 2-4%.
Conclusions:
- The Autophor ceramic total hip arthroplasty demonstrates favorable long-term clinical and radiographic results.
- While thigh pain was common, it rarely caused clinical issues.
- Improvements in femoral component design are being implemented for enhanced bony stabilization.