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Long-term outcome of elbow resurfacing
Alain Dalemans1, Luc De Smet, Ilse Degreef
1Department of Orthopaedic Surgery, University of Leuven, Pellenberg, Belgium.
Journal of Shoulder and Elbow Surgery
|September 7, 2013
Summary
The Kudo and instrumented Bone Preserving elbow prostheses showed a high revision rate, particularly after 10 years. However, nonrevised patients reported good outcomes and satisfaction with these nonconstrained elbow resurfacing implants.
Area of Science:
- Orthopedic surgery
- Biomaterials science
Background:
- Review of long-term outcomes for Kudo and instrumented Bone Preserving elbow prostheses.
- Both are nonconstrained elbow resurfacing prostheses, with the latter being the successor.
Purpose of the Study:
- To evaluate the long-term results of Kudo and instrumented Bone Preserving elbow prostheses.
- Assess revision rates and patient outcomes.
Main Methods:
- Fifty-five nonconstrained elbow prostheses implanted in 51 patients.
- Evaluated using Mayo Elbow Performance Score (MEPS) and Disabilities of the Arm Shoulder and Hand score.
- Revision or need for revision defined as prosthesis failure.
Main Results:
- Revision rate of 15.1% at 5 years and 36.5% at 10 years.
- Major revision causes: loosening (10 cases) and instability (5 cases).
- No statistical difference in implant survival between Kudo and instrumented Bone Preserving implants; most nonrevised patients were satisfied.
Conclusions:
- High revision rate observed compared to other elbow prostheses.
- Nonrevised patients experienced good outcomes and satisfaction.
- Kudo prosthesis results deteriorated over longer follow-up periods.