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  • Title: Total knee replacement in patients with haemophilia: the Scottish experience.
    Author: Jenkins PJ, Ekrol I, Lawson GM.
    Journal: Scott Med J; 2013 Nov; 58(4):223-7. PubMed ID: 24215041.
    Abstract:
    INTRODUCTION: Patients with haemophilia commonly develop arthropathy secondary to recurrent haemarthroses. Although modern treatment with replacement coagulation factors has reduced the prevalence of end-stage arthropathy, total joint replacement is still required in a small group of patients. These patients may be at higher risk of complications and the outcome of surgery may not be comparable to reports of outcomes of total joint replacement in the general population. The purpose of this study was to describe the change in function in patients undergoing total knee replacement for haemophilic arthropathy. PATIENTS AND METHODS: Patients undergoing total knee arthroplasty in a tertiary centre had prospective evaluations of patient reported outcome measures and range of movement. Their post-operative function was evaluated in a combined orthopaedic-haematology clinic. Eight male patients underwent 13 total knee replacements from 1999 to 2007 and were followed up for a median of 78 months (range 17-116). RESULTS: The median Oxford knee score improved from 45.5 pre-operatively to 28 (p = 0.049). There was a similar improvement in SF-12 physical (p = 0.017) and Knee Society scores (objective p = 0.001; function p = 0.002). Four total knee replacements were performed in patients with inhibitor antibodies and were treated with recombinant activated factor VIIa. These patients had reduced range of movement (p = 0.047). No patients suffered deep infection. CONCLUSIONS: Total knee replacement in patients with haemophiliac arthropathy resulted in improvement in range of movement and function. The presence of factor VIII inhibitors resulted in reduced range of movement, but similar patient reported outcome measures.
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