Long-term clinical and radiological results of the Lord total hip prosthesis. A prospective study

The Journal of Bone and Joint Surgery. British Volume
H MalchauBertil Romanus

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.

Citations

Dec 29, 2015·International Journal of Surgery Case Reports·Fernando M JudasFrancisco M Lucas
Jan 8, 2003·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·R DeckingH P Scharf
Feb 17, 2001·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·S InoueY Hirasawa
Oct 9, 2007·The Journal of Arthroplasty·Daniel G MandziakMargaret A McGee
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Apr 7, 2004·The Journal of Arthroplasty·Peter GrantLars Nordsletten
Dec 14, 2004·The Journal of Bone and Joint Surgery. American Volume·Peter Grant, Lars Nordsletten
May 21, 2009·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Carlo Alberto BurattiDomenico Topa
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Feb 25, 1998·The American Journal of Sports Medicine·E VingårdH Malchau
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