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Purpose: We report the results of a consecutive series of 12 cases with haemophilic hip arthropathy treated with uncemented total hip arthroplasty (THA). Our hypothesis was that THA results in the haemophilic group would be inferior to those in the nonhaemophilic group.
Methods: The clinical histories of 12 consecutive THAs in eight patients (all men) with hereditary bleeding disorders (haemophilia A and B and von Willebrand disease) were reviewed retrospectively. The results were compared with an age- and sex-matched control group without haemophilia, with special emphasis on bearing surfaces (Metasul metal-on-metal; polyethylene-ceramic articulation).
Results: The mean follow-up of the control group was 9.7 (range five to 24) years and was similar to the haemophilia group, with 10.4. Survival in the Metasul haemophilic group was 22.2 % after 18 years, which significantly differed from the Metasul control group (100 % after 24 years). Survival of the polyethylene-ceramic haemophilic group was similar to the control group (100 % after seven years in both groups).
Conclusions: The metal-on-metal bearing surface in patients with haemophilia gave inferior results compared with nonhaemophilic patients. The use of metal-on-metal bearings in haemophilia is debatable.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4071484 | PMC |
| http://dx.doi.org/10.1007/s00264-014-2326-x | DOI Listing |
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