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Occupational dose in interventional radiology procedures.

Koichi Chida¹, Yuji Kaga, Yoshihiro Haga

¹Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan. chida@mail.tains.tohoku.ac.jp

AJR. American Journal of Roentgenology

|December 21, 2012

Summary

This summary is machine-generated.

Occupational radiation doses for interventional radiology staff, particularly nurses, were assessed. Using two monitoring badges provides a more accurate assessment of radiation exposure for these healthcare professionals.

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Area of Science:

Medical Physics
Radiology
Occupational Health

Background:

Interventional radiology procedures often involve prolonged fluoroscopic times, necessitating robust radiation protection measures for staff.
Accurate assessment of occupational radiation dose is crucial for ensuring the safety of healthcare professionals, especially nurses, in high-radiation environments.

Purpose of the Study:

To determine the annual occupational radiation dose levels for interventional radiology staff, with a specific focus on nurses.
To compare the effectiveness of single versus dual badge monitoring systems for assessing occupational radiation doses.

Main Methods:

Annual occupational doses (effective dose and dose equivalent) were measured in 18 physicians, seven nurses, and eight radiologic technologists using two monitoring badges (one over, one under lead aprons).
Data were collected during 6606 annual catheterization procedures at a single hospital.

Main Results:

Physicians received the highest annual mean effective dose (3.00 ± 1.50 mSv/y) using two badges, followed by nurses (1.34 ± 0.55 mSv/y) and radiologic technologists (0.60 ± 0.48 mSv/y).
The two-badge method yielded significantly higher effective dose estimates for physicians compared to the one-badge method.
Dose equivalents followed a similar trend, with physicians having the highest recorded values.

Conclusions:

Occupational radiation doses decreased in the order of physicians > nurses > radiologic technologists.
The study recommends using two monitoring badges for accurate occupational dose assessment in interventional radiology, including for nurses and physicians.
Dual badge monitoring is essential for correctly evaluating radiation exposure in interventional radiology staff.