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  • Title: Total hip replacement with spongious bone graft for acetabular protrusion in patients with rheumatoid arthritis.
    Author: Johnsson R, Ekelund L, Zygmunt S, Lidgren L.
    Journal: Acta Orthop Scand; 1984 Oct; 55(5):510-3. PubMed ID: 6391077.
    Abstract:
    Total hip replacement (THR) with the use of autogenous spongious bone graft reinforcement to the medial acetabular wall proved a successful surgical procedure in patients with rheumatoid arthritis and acetabular protrusion. In 25/26 THR followed for an average of 2 (1-4) years, the bone grafts healed in place radiographically and no further protrusion occurred. A non-progressive radiolucent zone of 3 mm at the bone-cement interface occurred around one acetabular cup. Recurrent dislocations occurred in one hip, which eventually turned out to have a loose acetabular cup. One hip with a firmly seated cup was converted to a resection arthroplasty 4 months after the primary operation because of deep infection.
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