LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS: A PROSPECTIVE STUDY

H. Malchau; P. Herberts; Y. X. Wang; J. Kärrholm; B. Romanus

doi:10.1302/0301-620X.78B6.0780884

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LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS

A PROSPECTIVE STUDY

H. Malchau
P. Herberts
Y. X. Wang
J. Kärrholm
B. Romanus

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LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS

Malchau H, Herberts P, Wang YX, Kärrholm J, Romanus B. LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS. J Bone Joint Surg Br. 1996;78-B(6):884-891. doi:10.1302/0301-620X.78B6.0780884

Malchau, H., et al. “LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS.” The Journal of Bone & Joint Surgery British Volume, vol. 78-B, no. 6, 1996, pp. 884-891., https://doi.org/10.1302/0301-620X.78B6.0780884

Malchau, H., Herberts, P., Wang, Y. X., Kärrholm, J., & Romanus, B. (1996). LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS. The Journal of Bone & Joint Surgery British Volume, 78-B(6), 884-891. https://doi.org/10.1302/0301-620X.78B6.0780884

Malchau, H., Herberts, P., Wang, Y. X., Kärrholm, J. and Romanus, B. (1996) “LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS.” The Journal of Bone & Joint Surgery British Volume, 78-B(6), pp. 884-891. Available at: https://doi.org/10.1302/0301-620X.78B6.0780884

Malchau, H., P. Herberts, Y. X. Wang, J. Kärrholm, and B. Romanus. “LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS.” The Journal of Bone & Joint Surgery British Volume 78-B, no. 6 (1996): 884-891. https://doi.org/10.1302/0301-620X.78B6.0780884

Malchau H, Herberts P, Wang YX, Kärrholm J, Romanus B. LONG-TERM CLINICAL AND RADIOLOGICAL RESULTS OF THE LORD TOTAL HIP PROSTHESIS. J Bone Joint Surg Br. 1996 Nov 1;78-B(6):884-891. https://doi.org/10.1302/0301-620X.78B6.0780884

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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.

Correspondence should be sent to Dr H. Malchau.

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