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Published on: May 26, 2019
Radiation effects in interventional radiology using biological and physical dosimetry methods: a case-control study
Miguel Ramos1, Alegria Montoro, Miguel Almonacid
1Departamento de Ingeniería Química y Nuclear, Universidad Politécnica de Valencia, Spain. mirapas@iqn.upv.es
Summary
Interventional radiologists face radiation exposure risks, including skin damage and cancer. Discrepancies between physical and biological dosimetry suggest potential issues with radiation monitoring compliance.
Area of Science:
- Medical Physics
- Occupational Health
- Radiation Biology
Background:
- Interventional radiologists and staff experience chronic low-dose ionizing radiation exposure during procedures.
- This occupational exposure can lead to deterministic effects like radiodermatitis and stochastic effects such as increased cancer risk.
Purpose of the Study:
- To estimate the radiation risk and radiological detriment in a cohort of six interventional radiologists.
- To compare physical dosimetry with biological dosimetry methods for assessing radiation exposure.
Main Methods:
- Physical dosimetry using thermoluminescent dosimeters (TLDs) and wrist dosimeters.
- Biological dosimetry assessing lymphocyte translocations in peripheral blood.
- Utilizing RADRISK software, based on epidemiological data, to estimate cancer incidence probabilities.
Main Results:
- Observed discrepancies between physically recorded doses and biologically estimated doses.
- Potential underestimation of actual radiation exposure due to inconsistent dosimeter use or placement.
Conclusions:
- Radiation exposure in interventional radiology poses significant health risks.
- Inconsistencies in dosimetry highlight the need for improved monitoring protocols and compliance among healthcare professionals.
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