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Related Experiment Videos

Total "internal" hemipelvectomy.

C Burri, L Claes, H Gerngross

    Archives of Orthopaedic and Traumatic Surgery. Archiv Fur Orthopadische Und Unfall-Chirurgie
    |August 1, 1979
    PubMed
    Summary
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    This study introduces total internal hemipelvectomy using custom polyacetal resin prostheses for extensive pelvic tumors. Two of three patients achieved weight-bearing ability, improving limb function after radical surgery.

    Area of Science:

    • Orthopedic Surgery
    • Oncology
    • Biomedical Engineering

    Background:

    • Extensive pelvic tumors often necessitate hemipelvectomy, a disfiguring procedure.
    • Traditional prostheses rarely restore ambulation after such extensive resections.
    • Mutilating surgeries limit patient mobility and quality of life.

    Purpose of the Study:

    • To evaluate the efficacy of total internal hemipelvectomy with custom-made polyacetal resin prostheses.
    • To assess the functional outcomes and potential complications of this reconstructive approach.
    • To provide an alternative to traditional hemipelvectomy for extensive pelvic malignancies.

    Main Methods:

    • Performed total internal hemipelvectomies in three patients with extensive pelvic tumors.
    • Utilized custom-designed polyacetal resin hemipelvis prostheses based on CT scan models.

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  • Focused on preserving osseous muscular origins/insertions and meticulous neurovascular preservation.
  • Secured implants via sacroiliac joint screws, bone grafts, and symphyseal plating.
  • Replaced the hip joint with a total prosthesis.

    • Main Results:

    • Two of three patients achieved successful weight-bearing and standing on the affected leg.
    • One patient experienced complications including nerve lesion, skin necrosis, and infection.
    • The custom prostheses allowed for functional reconstruction of the hemipelvis.

    Conclusions:

    • Total internal hemipelvectomy with custom polyacetal resin prostheses offers a viable reconstructive option for extensive pelvic tumors.
    • This technique can restore functional ambulation in select patients.
    • Careful surgical technique is crucial to minimize complications and optimize outcomes.