Twenty patients (20 hips) who had cementless acetabular revision arthroplasty and were treated with cancellous bone chips mixed with demineralized bone matrix to fill the cavitary defects were studied. At 2-years' follow-up, the grafts were fully incorporated in 18 patients. In addition, the mean Harris Hip Score increased to 89 points from a mean preoperative score of 29 points for the surviving hips. These preliminary findings suggest that the prepackaged demineralized bone matrix and cancellous chips can provide acceptable radiographic and clinical results as an adjunct in the treatment of contained osteolytic acetabular defects.
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