Summary
We investigated 270 patients (321 hips) treated by Lord-type cementless total hip arthroplasty (THA) and reported results in 234 hips that could be directly observed among 251 that were 5-year or more after operation.
The mean Merle d'Aubigné and Postel hip score improved from 8.9 before operation to 15.7 at the final follow-up.
However, our 20-year experience showed revision due to aseptic loosening in 27 patients. In particular, biological fixation could not be achieved in some cases treated using a screw-in ring for acetabular dysplasia or using the Fluted type stem with a smooth surface. This may be the cause of aseptic loosening, and further follow up is necessary.
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Kaneko, K., Shitoto, K., Maruyama, Y. et al. Lord-type uncemented total hip arthroplasty — its application to Japanese patients, long-term results and problems. Eur J Orthop Surg Traumatol 10, 189–191 (2000). https://doi.org/10.1007/BF01682315
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DOI: https://doi.org/10.1007/BF01682315