Revision of cemented hip arthroplasties: 101 hips followed for 5 (4–9) years

101 hips were revised with cemented Lubinus prostheses after failed primary cemented arthroplasty, and followed for 5 (4-9) years. Radiographically, 41 hips (36 femoral stems and 13 acetabular components) had become loose. The use of an intramedullary plug at the revision did not prevent sinking of the prosthesis. No difference was found between conventional or pressure-injection cementation techniques. In cases where the stem was inserted in varus or the acetabular component was in malposition there was increased loosening. Patients below 50 years of age had oftener more than 5 mm sinking of the stem and more prosthesis loosenings.