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Comparative study of cemented and cementless hip prostheses in the same patient
J Knessl1, N Gschwend, H Scheier
1Klinik Wilhelm Schulthess, Zurich, Switzerland.
Archives of Orthopaedic and Trauma Surgery
|January 1, 1989
Summary
For total hip replacements, cementless prostheses showed more pain compared to cemented ones. Both methods demonstrated similar mobility and patient satisfaction, suggesting cemented arthroplasty remains the gold standard for pain relief.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Total hip replacement (THR) is a common procedure for hip osteoarthritis.
- Both cemented and cementless prosthetic fixation methods are widely used.
- Comparative long-term outcomes between cemented and cementless THR in the same patient are less understood.
Purpose of the Study:
- To compare the outcomes of cementless versus cemented total hip arthroplasty within the same patient.
- To evaluate differences in pain, mobility, walking capacity, complications, and patient assessment.
Main Methods:
- A prospective study involving 20 patients with bilateral hip osteoarthritis.
- Each patient received a cementless prosthesis on one side and a cemented prosthesis on the other.
- Follow-up periods were 6 years for cementless and 7.5 years for cemented hips.
Main Results:
- Pain was significantly more frequent on the cementless side compared to the cemented side.
- No significant differences were observed in mobility, walking capacity, complication rates, or overall patient assessment.
- Cemented arthroplasty demonstrated superior pain relief.
Conclusions:
- Cemented total hip arthroplasty appears to provide better pain relief than cementless THR.
- Further long-term studies are needed to fully elucidate the differences between the two fixation methods.
- Cemented arthroplasty remains the gold standard for pain management in total hip replacement.