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Longterm results of 38 knee prostheses
Italian Journal of Orthopaedics and Traumatology
|September 1, 1983
Summary
Knee replacement surgery shows promise, with sliding prostheses outperforming hinged types. While not as reliable as hip replacements, knee arthroplasty is a valid option when fusion (arthrodesis) is the only alternative.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
- Reconstructive surgery
Background:
- Knee replacement surgery is an established procedure but lacks the reliability of hip replacements.
- Different types of knee prostheses exist, each with varying outcomes and indications.
Purpose of the Study:
- To evaluate the outcomes of knee replacement operations.
- To compare the effectiveness of sliding versus hinged knee prostheses.
- To discuss the advantages and limitations of knee arthroplasty.
Main Methods:
- Review of 38 knee prostheses.
- Follow-up period ranging from one to nine years post-insertion.
- Comparative analysis of sliding and hinged prosthesis results.
Main Results:
- Sliding prostheses achieved an 81% success rate.
- Hinged prostheses had a 70.5% success rate.
- Knee replacement is considered reliable when arthrodesis is the sole alternative.
Conclusions:
- Sliding knee prostheses demonstrate superior outcomes compared to hinged prostheses.
- Hinged prostheses remain indicated for specific patient cases.
- Knee arthroplasty is a justified surgical intervention, particularly when facing arthrodesis.