Long-term clinical and radiological results of the Lord total hip prosthesis
- 1 November 1996
- journal article
- Published by British Editorial Society of Bone & Joint Surgery in The Journal of Bone and Joint Surgery. British volume
- Vol. 78 (6) , 884-891
- https://doi.org/10.1302/0301-620x78b6.1263
Abstract
We enrolled 98 patients (107 hips) with a mean age of 47 years (SD 8.6) into a prospective study of the Madreporic Lord THR; 34 hips had primary and 73 secondary osteoarthritis. After ten years, the survival rate using revision as the endpoint for failure was 70% (+/-9) for the cup and 98% (+/-0.3) for the stem. The combined clinical and radiological survival rates were 46% (+/-11) and 81% (+/-10), respectively. Osteoporosis due to stress-shielding was observed in the proximal femur. Hips with radiologically dense bone postoperatively showed the most pronounced bone loss. We recommend continued radiological follow-up of patients with this type of implant to allow revision to be performed before there is severe bony destruction of the pelvis.Keywords
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