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Related Experiment Videos

Total wrist arthroplasty. Problems with implant failures.

W P Cooney, R D Beckenbaugh, R L Linscheid

    Clinical Orthopaedics and Related Research
    |July 1, 1984
    PubMed
    Summary

    Total wrist arthroplasty (TWA) requires careful planning regarding anatomy, fixation, and soft tissues. Cemented TWA implants show high failure rates, necessitating evaluation of revision options like arthrodesis.

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    Wrist arthrodesis as a salvage procedure for failed implant arthroplasty.

    The Journal of hand surgery, European volume·2010

    Area of Science:

    • Orthopedic surgery
    • Biomedical engineering
    • Reconstructive surgery

    Background:

    • Prosthetic wrist replacement demands meticulous attention to anatomical and mechanical principles.
    • Soft tissue balance is a critical factor in successful wrist arthroplasty.
    • Cemented wrist implants exhibit a high failure rate, with 15%-30% experiencing complications.

    Purpose of the Study:

    • To analyze the long-term success of three distinct wrist implant designs.
    • To evaluate the challenges and options in revising failed wrist implants.
    • To underscore the importance of considering anatomical and mechanical factors in prosthetic wrist replacement.

    Main Methods:

    • Review and analysis of three different wrist implant designs.
    • Evaluation of implant fixation techniques.

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  • Assessment of soft tissue considerations in wrist arthroplasty.

    • Main Results:

    • Cemented wrist implants demonstrate an unacceptably high failure rate.
    • Prosthesis survival rates decrease progressively over five years.
    • Specific implant designs were analyzed for long-term efficacy.

    Conclusions:

    • Revision of failed wrist implants requires careful assessment of stability needs.
    • Surgical options for revision include resection, total joint arthroplasty, and wrist arthrodesis.
    • Optimizing outcomes in prosthetic wrist replacement hinges on a comprehensive understanding of biomechanics and implant performance.