Proximal humeral replacement using a fixed-fulcrum endoprosthesis

D Griffiths, P D Gikas, C Jowett, L Bayliss, W Aston, J Skinner, S Cannon, G Blunn, T W R Briggs, R Pollock

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Between 1997 and 2007, 68 consecutive patients underwent replacement of the proximal humerus for tumour using a fixed-fulcrum massive endoprosthesis. Their mean age was 46 years (7 to 87). Ten patients were lost to follow-up and 16 patients died. The 42 surviving patients were assessed using the Musculoskeletal Tumor Society (MSTS) Score and the Toronto Extremity Salvage Score (TESS) at a mean follow-up of five years and 11 months (one year to ten years and nine months). The mean MSTS score was 72.3% (53.3% to 100%) and the mean TESS was 77.2% (58.6% to 100%). Four of 42 patients received a new constrained humeral liner to reduce the risk of dislocation. This subgroup had a mean MSTS score of 77.7% and a mean TESS of 80.0%. The dislocation rate for the original prosthesis was 25.9; none of the patients with the new liner had a dislocation at a mean of 14.5 months (12 to 18). Endoprosthetic replacement for tumours of the proximal humerus using this prosthesis is a reliable operation yielding good results without the documented problems of unconstrained prostheses. The performance of this prosthesis is expected to improve further with a new constrained humeral liner, which reduces the risk of dislocation.

    Original languageEnglish
    Pages (from-to)399-403
    Number of pages5
    JournalJournal of Bone and Joint Surgery - British Volume
    Volume93
    Issue number3
    DOIs
    Publication statusPublished - Mar 2011

    Keywords

    • Adolescent
    • Adult
    • Aged
    • Aged, 80 and over
    • Arthroplasty, Replacement
    • Bone Neoplasms
    • Child
    • Humans
    • Humerus
    • Joint Prosthesis
    • Middle Aged
    • Neoplasm Recurrence, Local
    • Prosthesis Design
    • Shoulder Joint
    • Treatment Outcome
    • Young Adult
    • Evaluation Studies

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