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Radiation dose to multidisciplinary staff members during complex interventional procedures.

B Mussmann1, T R Larsen2, M Godballe2

  • 1Research and Innovation Unit of Radiology, University of Southern Denmark, Kloevervaenget 10, 2nd. Floor. 5000 Odense C, Denmark; Department of Radiology, Odense University Hospital, JB Winslows Vej 4, 5000 Odense C, Denmark; Faculty of Health Sciences, Oslo Metropolitan University, Pilestedet 48, Oslo, Norway.

Radiography (London, England : 1995)
|January 19, 2024
PubMed
Summary

Staff radiation doses in interventional radiology were measured. Prostate artery embolization posed high risks for radiologists, highlighting the need for optimized radiation protection protocols for all personnel.

Keywords:
Endovascular aortic repairInterventional radiologyProstate artery embolizationRadiation protectionTransjugular intrahepatic portosystemic shuntUterine fibroid embolization

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Area of Science:

  • Interventional Radiology
  • Medical Physics
  • Occupational Health

Background:

  • Complex interventional radiology procedures require extensive fluoroscopy, leading to significant staff radiation exposure.
  • Monitoring occupational radiation dose is essential for optimizing patient and staff safety.

Purpose of the Study:

  • To quantify radiation doses received by staff during complex vascular and neuro-interventional procedures.
  • To establish benchmark doses for radiation protection audits in interventional radiology.

Main Methods:

  • Real-time dosimetry using wireless electronic dosimeters for staff and a reference dosimeter near the C-arm.
  • Monthly monitoring of radiology staff doses using shoulder thermoluminescent dosimeters over one year.
  • Measurement of occupational radiation dose in 99 interventional procedures.

Main Results:

  • Prostate artery embolization procedures resulted in high median radiation doses for radiologists (15.0 μSv).
  • Assisting radiographers received lower doses, with endovascular aortic repair showing the highest median exposure (2.2 μSv).
  • Median staff dose across all procedures was 3.2 μGy, with a median reference dose of 670 μGy.

Conclusions:

  • Radiation doses varied significantly among staff and procedures, indicating the need for optimized shielding in certain high-dose interventional procedures.
  • Benchmark doses were established, aiding in radiation protection audits and optimization efforts for interventional radiology staff.