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Surgeons using flat surface image intensifier (FSII) units above the operating table may experience increased radiation exposure to their hands and eyes. Dose-dependent increases were observed, highlighting the need for enhanced radiation safety measures during FSII use.

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Area of Science:

  • Medical Imaging
  • Radiation Oncology
  • Surgical Technology

Background:

  • Minimizing radiation exposure is crucial in surgical settings.
  • Flat Surface Image Intensifier (FSII) units are increasingly used in orthopedic surgery.
  • Understanding radiation dose distribution with FSII use is essential for safety.

Purpose of the Study:

  • To compare radiation exposure between above-table and below-table FSII configurations.
  • To investigate dose-dependent radiation increases with FSII use.
  • To determine how radiation exposure varies by body part and proximity to the source.

Main Methods:

  • A surgeon mannequin was used with a radiolucent hand table for volar distal radius plating.
  • Thermoluminescent dosimeters measured radiation exposure at various body sites (eyes, thyroid, chest, hand, groin).
  • A mini C-arm FSII unit was tested in above-table and below-table positions for 1- and 15-minute intervals.

Main Results:

  • Hand and eye radiation dosages were significantly higher with the above-table FSII at 1 minute.
  • At 15 minutes, hand radiation exposure was the highest across all sites and positions.
  • Hand exposure increased dose-dependently with the FSII in both positions; groin exposure was dose-dependent only with the below-table configuration.

Conclusions:

  • Surgeons' hands and eyes may receive higher radiation doses during routine above-table FSII use.
  • The clinical significance of these findings requires further long-term investigation.
  • Protective measures for critical body parts are recommended, especially with prolonged above-table FSII use.