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Related Experiment Videos

Dermis-fat orbital implantation and complex socket deformities.

S L Bosniak

    Advances in Ophthalmic Plastic and Reconstructive Surgery
    |January 1, 1992
    PubMed
    Summary

    Autogenous dermis-fat grafts survive best in the orbit when implanted within Tenon's capsule, with muscle anastomosis, no cautery, and a 22 mm diameter. Primary grafting is more effective than secondary procedures.

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    Dermis-fat grafts and evisceration.

    Ophthalmology·1989

    Area of Science:

    • Ophthalmology
    • Plastic Surgery
    • Tissue Engineering

    Background:

    • Orbital implants are crucial for restoring volume and function after enucleation.
    • Autogenous dermis-fat grafts offer a biological solution for orbital reconstruction.
    • Optimizing graft survival and integration is essential for successful outcomes.

    Purpose of the Study:

    • To identify key surgical factors influencing the survival and volume retention of autogenous dermis-fat grafts in the orbit.
    • To compare the efficacy of primary versus secondary orbital grafting procedures.

    Main Methods:

    • Retrospective analysis of orbital autogenous dermis-fat grafts.
    • Evaluation of graft placement (Tenon's capsule), vascular supply (muscle/artery anastomosis), recipient bed preparation (no cautery), and graft size.
    • Comparison of outcomes between primary and secondary grafting procedures.

    Main Results:

    • Graft survival and volume were maximized with placement in Tenon's capsule, immediate post-enucleation implantation, rectus muscle/anterior ciliary artery anastomosis to the graft's dermal edge, avoidance of recipient bed cautery, and a graft diameter ≤22 mm.
    • Primary grafting in patients without systemic vascular disease yielded superior results compared to secondary grafting in fibrotic beds without direct muscle apposition.

    Conclusions:

    • Specific surgical techniques significantly enhance autogenous dermis-fat graft survival and volume in orbital reconstruction.
    • Primary orbital grafting, when feasible, offers better outcomes than secondary procedures in compromised recipient beds.

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