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ASSESSMENT OF WHOLE BODY, SKIN AND EYE LENS DOSES OF THE INTERVENTIONAL RADIOLOGISTS AT SELECTED HOSPITALS IN IRAN
Z Danaei1, S M Hosseini Pooya2, E Jazayeri Gharehbagh1
1Department of Technology of Radiology and Radiotherapy, School of Allied Medicine, Tehran University of Medical Sciences, Tehran, Iran.
Radiation Protection Dosimetry
|April 6, 2021
Summary
Clinical staff in interventional radiology received occupational radiation doses below annual limits. Eye lens dose strongly correlated with personal dose equivalent measured over lead aprons, aiding radiation protection strategies.
Area of Science:
- Medical Physics
- Occupational Health
- Radiology
Background:
- High radiation doses pose risks like stochastic/deterministic effects and cataracts to interventional radiology staff.
- Monitoring occupational radiation exposure is crucial for clinical staff safety.
Purpose of the Study:
- To assess eye, skin, and whole-body radiation doses in clinical staff in cardiac angiography.
- To calculate correlation coefficients among different dose components.
- To evaluate compliance with international radiation dose limits.
Main Methods:
- Personal dosemeters were used to measure radiation doses over two bimonthly periods.
- Dose assessments included eyes, skin, and whole body for physicians, residents, nurses, and radiotechnologists.
- Correlation coefficients were calculated for dose components under and over lead aprons.
Main Results:
- Occupational annual radiation doses for all clinical staff were below International Commission on Radiation Protection limits.
- A high correlation coefficient was found between eye lens dose and personal dose equivalent measured over lead aprons.
- Dose variations were observed across different occupational groups.
Conclusions:
- Clinical staff in interventional radiology generally operate within safe radiation dose limits.
- Lead apron usage is effective in reducing radiation exposure, particularly to the eyes.
- Further research can refine radiation protection protocols based on dose correlations.
