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Proprioceptive function, clinical results, and quality of life after unicondylar sledge prostheses
S Fuchs1, D Frisse, C O Tibesku
1Department of Orthopaedics, Westfaelische Wilhelms University Muenster, Germany.
Objective:
Evaluation of proprioceptive performance and quality of life after implantation of unicondylar sledge knee prostheses in comparison with normal control subjects.
Design:
A total of 17 patients were examined after implantation of unicondylar sledge prostheses. Clinical examination was performed, quality of life was assessed, and proprioceptive performance was examined. A total of 11 healthy subjects of comparable age served as a control group.
Results:
Clinical results of both groups differed significantly in all categories. Quality-of-life assessment differed only in the following items: physical functioning, role limitation caused by physical problems, and bodily pain. Other than angle reproduction at 15 degrees, no significant differences in proprioceptive testing, neither sway measurement nor angle reproduction, were found. Statistical analysis revealed no correlation between clinical scores and proprioceptive results.
Conclusions:
In comparison with normal control subjects of comparable age, the implantation of unicondylar sledge prostheses does not result in proprioceptive deficits. Except for physical functioning, role limitations caused by physical problems and bodily pain, most aspects of quality of life do not differ between patients and control subjects, although the patients' clinical results were significantly lower than the controls.