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ARTHROPLASTY OF THE KNEE BY THE WALLDLUS PROSTHESIS



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Abstract

1. Forty-five arthroplasties of the knee with the Walldius prosthesis are reported in forty-two patients, thirty-seven with rheumatoid arthritis and five with osteoarthritis.

2. There has been no structural failure of the prosthesis.

3. Sepsis required removal of the prosthesis in three cases, but arthrodesis was obtained in two of the three.

4. Serious loosening of the prosthesis occurred in one case only. Varus deformity occurred in one patient.

5. Radiological evidence of some movement of the prosthesis was present in six other cases but this did not seem to affect function.

6. It is concluded that this operation has a place in the treatment of the more seriously disabled patient, but should not be used when heavy demands are likely to be made on the joint.

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