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The lumbar shield: a progress report.

J R Feild, H McHenry

    Spine
    |May 1, 1980
    PubMed
    Summary

    The lumbar shield, a silicone implant, reduced postoperative pain in patients within the first three months. This device may decrease the need for repeat surgeries following initial lumbar disc procedures.

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    Area of Science:

    • Neurosurgery
    • Orthopedic Surgery
    • Biomedical Engineering

    Background:

    • Postoperative perineural adhesions and recurrent disc ruptures are common complications after lumbar surgery.
    • Managing these complications often requires further surgical intervention, increasing patient morbidity and healthcare costs.

    Purpose of the Study:

    • To evaluate the efficacy of the lumbar shield, a silicone implant, in preventing postoperative complications.
    • To assess the impact of the lumbar shield on patient pain, diagnosis of recurrent disc rupture, and the need for secondary surgeries.

    Main Methods:

    • A prospective study involving 123 patients implanted with the lumbar shield and 83 control patients.
    • Statistical analysis of postoperative pain, radiographic evidence of recurrent disc rupture, and surgical outcomes over a three-year period.

    Main Results:

    • Patients with the lumbar shield experienced significantly less postoperative pain in the initial three months compared to controls.
    • The lumbar shield facilitated the diagnosis of recurrent lumbar disc rupture and simplified secondary surgical procedures.
    • Radiographic examples illustrate the diagnosis of recurrent disc rupture in patients with the lumbar shield.

    Conclusions:

    • The lumbar shield is effective in reducing early postoperative pain after lumbar surgery.
    • Its use may decrease the frequency of multiple secondary surgical procedures for patients with unsatisfactory initial outcomes.
    • The lumbar shield aids in patient management, particularly within medicolegal contexts.

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