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Radiation exposure during fluoroscopically controlled percutaneous lithotripsy.

C A Kelsey, R G Lane, J W Somers

    The Journal of Urology
    |December 1, 1984
    PubMed
    Summary
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    Physicians performing fluoroscopic-guided lithotripsy face high radiation exposure, potentially exceeding annual limits after just 10 procedures. Protective measures like shielding and monitoring are crucial for radiation safety.

    Area of Science:

    • Medical Physics
    • Urology
    • Radiation Safety

    Background:

    • Fluoroscopic-guided lithotripsy is a common urologic procedure.
    • Standard urologic tables may not provide adequate radiation shielding.
    • Physician radiation exposure during these procedures is a significant concern.

    Purpose of the Study:

    • To quantify radiation levels near a modified urologic table used for lithotripsy.
    • To assess the risk of excessive radiation exposure to physicians.
    • To recommend effective radiation protection strategies.

    Main Methods:

    • Radiation measurements were taken around a modified urologic table during fluoroscopic-guided lithotripsy.
    • Radiation levels were measured at the edge of the table.

    Related Experiment Videos

  • Calculations were performed to estimate physician exposure based on procedure volume.

    • Main Results:

    • Radiation levels reached up to 3000 mrem/hour at the table's edge.
    • Physician exposure could exceed annual permissible doses for eyes and thyroid after approximately 10 cases.
    • Significant scatter radiation from the patient and collimator was observed.

    Conclusions:

    • Fluoroscopic-guided lithotripsy poses a substantial radiation risk to physicians.
    • Implementing radiation protection measures is essential.
    • Recommendations include using personal dosimeters, eye/thyroid shields, and enhanced collimator/patient shielding.