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Area of Science:

  • Medical Physics
  • Interventional Radiology
  • Occupational Health

Background:

  • Prostatic artery embolization (PAE) is an increasingly common interventional radiology procedure.
  • Anaesthetists play a crucial role during PAE but their radiation exposure is not well-characterized.
  • Occupational radiation safety is paramount in minimizing risks to healthcare professionals.

Purpose of the Study:

  • To quantify the radiation doses received by anaesthetists during PAE procedures.
  • To identify body parts most exposed to radiation for anaesthetists during PAE.
  • To evaluate the risk of exceeding dose limits for anaesthetists performing PAE.

Main Methods:

  • Ten prostatic artery embolization procedures were monitored in Recife, Brazil.
  • Thermoluminescent dosemeters were used to measure radiation doses at multiple body locations (eyes, thyroid, thorax, wrist, feet).
  • Personal dose equivalent Hp(3) was calculated for the anaesthetist's eyebrow.

Main Results:

  • Anaesthetists' feet received the highest radiation doses, followed by eyes and hands.
  • In complex PAE cases, anaesthetists' eye and effective doses sometimes exceeded those of the primary operator.
  • Doses to the anaesthetist's right eyebrow ranged from 20.2 μSv to 568.3 μSv per procedure.

Conclusions:

  • Anaesthetists are at risk of exceeding annual eye lens dose limits (20 mSv) during PAE procedures.
  • Close proximity to the patient table and oblique projections increase anaesthetist radiation exposure.
  • Implementing radiation protection measures is essential for anaesthetists during PAE.