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Related Experiment Videos

Functional lumbar myelography with iohexol.

P Nakstad, O Aaserud, O Sortland

    Acta Radiologica: Diagnosis
    |January 1, 1983
    PubMed
    Summary
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    Iohexol is a safe contrast agent for functional lumbar myelography, yielding excellent image quality with minimal side effects. Repeat spinal puncture showed a slight increase in mild side effects but no serious complications.

    Area of Science:

    • Radiology
    • Neurology
    • Medical Imaging

    Background:

    • Lumbar myelography is a diagnostic procedure used to visualize the spinal canal.
    • Iohexol is a non-ionic, low-osmolar contrast medium increasingly used in various imaging studies.
    • Assessing the safety and efficacy of iohexol in functional lumbar myelography is crucial for clinical practice.

    Purpose of the Study:

    • To evaluate the safety and image quality of iohexol for functional lumbar myelography.
    • To compare the side effect profile of iohexol with metrizamide in myelography.
    • To investigate potential adverse effects associated with repeat spinal puncture after iohexol myelography.

    Main Methods:

    • 25 patients underwent functional lumbar myelography using iohexol.
    • Image quality was assessed subjectively.

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  • Patient side effects were recorded and analyzed, with a focus on those undergoing repeat spinal puncture.

    • Main Results:

    • All 25 myelographies demonstrated good or excellent image quality.
    • Side effects were predominantly mild and comparable to those seen with metrizamide.
    • A slight increase in mild side effects was noted in 13 patients with repeat spinal puncture 6-24 hours post-myelography.
    • Vacuolized monocytes were observed in cerebrospinal fluid (CSF) after repeat puncture in 5 patients.
    • No electroencephalogram (EEG) changes or severe complications were reported.

    Conclusions:

    • Iohexol is a safe and effective contrast agent for intrathecal use in functional lumbar myelography.
    • The safety profile of iohexol is favorable, with mostly mild side effects.
    • Repeat spinal puncture may be associated with a slight increase in mild adverse effects, but iohexol remains safe for this procedure.