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Sarah Degiorgio1,2, Roberta Gerasia1, Ferdinanda Liotta1

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Operator radiation doses during hepatobiliary procedures are low. This study measured doses for radiologists, radiographers, and nurses during transarterial chemoembolisation and biliary interventions, finding minimal exposure.

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Area of Science:

  • Medical Imaging
  • Interventional Radiology
  • Radiation Safety

Background:

  • Hepatobiliary fluoroscopic guided procedures are common in interventional radiology.
  • Accurate assessment of operator radiation doses is crucial for ensuring safety.
  • Previous studies have not comprehensively summarized operator doses across various hepatobiliary interventions.

Purpose of the Study:

  • To summarize operator radiation doses during hepatobiliary fluoroscopic guided procedures.
  • To document patient doses (Dose Area Product and Fluoroscopy Time) during these interventions.
  • To analyze radiation exposure for different healthcare professionals (radiologists, radiographers, nurses).

Main Methods:

  • A retrospective analysis of 283 transarterial chemoembolisation (TACE) and 302 biliary procedures (PTC, bilioplasty, BCC) was conducted.
  • Operator radiation doses were measured using electronic personal dosimeters.
  • Effective dose (E) was calculated using the modified Niklason algorithm; patient dose was assessed via Dose Area Product (DAP) and Fluoroscopy Time (FT).

Main Results:

  • Operator effective doses varied by procedure and role, generally remaining low (e.g., TACE: radiologist 0-9.96 µSv, radiographer 0-0.99 µSv, nurse 0-4.65 µSv).
  • Patient doses (DAP and FT) also showed a wide range depending on the specific hepatobiliary intervention performed.
  • Specific dose ranges were detailed for TACE, PTC, bilioplasty, and BCC procedures for all operator roles and patients.

Conclusions:

  • Hepatobiliary interventional procedures can be performed with very low radiation doses to all operators.
  • The findings support the implementation of effective radiation protection measures in interventional radiology.
  • This study provides valuable data for optimizing radiation safety protocols in hepatobiliary interventions.