Two hundred and fifty arthroplasties performed from February 1982 to June 1990 at the 3rd Orthopedic Department of the University of Milan, were evaluated in the long term after operation. All patients were rated by a personal scoring system based on the analysis of hip motion. Twenty-one patients who had received cementless arthroplasties were examined by bony scintigraphy to check the time course of prosthetic fixation on the basis of bone metabolic state.
The excellent clinical results strongly support the correctness of the concept of arthroplasty, but various aspects of surgical technique must be studied and further improvements made in components.
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