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Related Experiment Videos

Silicone implants in dogs. A ten-year histopathologic study.

A B Swanson, R M Nalbandian, T J Zmugg

    Clinical Orthopaedics and Related Research
    |April 1, 1984
    PubMed
    Summary
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    Long-term silicone elastomer implants show a benign host response to wear debris. Autopsies revealed no adverse systemic effects, indicating good biocompatibility for reconstructive surgery.

    Area of Science:

    • Biomaterials Science
    • Orthopaedic Surgery
    • Histopathology

    Background:

    • Biocompatibility of implanted materials is crucial for successful reconstructive surgery.
    • Host response to wear debris from implanted materials is a growing area of research.
    • Silicone elastomer has been studied for flexible implant applications since 1962.

    Purpose of the Study:

    • To evaluate the host tolerance and biologic responses to implanted silicone elastomer.
    • To assess the long-term effects of silicone elastomer wear debris in vivo.

    Main Methods:

    • Complete autopsy of three dogs with silicone elastomer implants for over ten years.
    • Histopathological examination for foreign-body giant cell response and particle distribution.

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    Main Results:

    • A benign foreign-body giant cell response was observed locally around silicone wear debris.
    • No silicone particles or macrophage giant cell reactions were found in distant organs.
    • The host response to silicone wear debris was benign.

    Conclusions:

    • Long-term implantation of silicone elastomer results in a benign local host response to wear debris.
    • No adverse systemic influences were noted, supporting the biocompatibility of silicone elastomer for reconstructive surgery.