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Related Experiment Videos

Inflammatory response to implants.

J M Anderson1

  • 1Department of Pathology, Case Western Reserve University, Cleveland, Ohio 44106.

ASAIO Transactions
|April 1, 1988
PubMed
Summary
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The body

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Area of Science:

  • Biomaterials Science
  • Immunology
  • Tissue Engineering

Background:

  • Implantation of artificial organs, medical devices, or biomaterials triggers an inflammatory response.
  • This response includes acute and chronic inflammation, foreign body reactions, and cellular interactions (macrophages, foreign body giant cells).
  • Implant surface characteristics influence the foreign body reaction's composition.

Purpose of the Study:

  • To describe the inflammatory response to implanted biomaterials.
  • To highlight the pivotal role of macrophages in tissue response to implants.
  • To present a hypothesis on complement activation's role in cellular adhesion to implant surfaces.

Main Methods:

  • Review of inflammatory response components to implants.

Related Experiment Videos

  • Analysis of macrophage and foreign body giant cell interactions.
  • Description of complement activation and cell adhesion mechanisms.
  • Main Results:

    • The foreign body reaction involves macrophages and foreign body giant cells at the implant surface.
    • Fibroblastic proliferation, collagen deposition, and capillary formation are observed.
    • Macrophage adhesion and activation are critical for cell-mediated communication.

    Conclusions:

    • Macrophages are central to the tissue response following implantation.
    • Surface topography of implants significantly impacts the foreign body reaction.
    • Complement activation may mediate cellular adhesion to implant surfaces.