Interventional radiology is based on minimally invasive procedures that allow diagnosis and percutaneous treatment of diseases in almost all organ systems. Such procedures have many benefits, but they also contribute significantly to collective radiation dose. In this regard, effective dose (E) is a convenient quantity to estimate patients’ stochastic radiation risk. However, E cannot be accurately evaluated immediately. In the present study, we aimed to estimate the E value in 15 selected interventional procedures. The estimation was based on dose area product (DAP) measurements and used case-specific conversion coefficients. The E values ranged from 3.3 to 69.9 mSv, depending on the kind of procedure. This wide range was mainly due to the broad variation in DAP values, which in turn depend on the details of how the procedures are performed. This suggests that to ensure valid comparative studies and universal reference levels, all interventional procedures should be well classified.
Radiological Physics and Technology – Springer Journals
Published: Mar 8, 2018
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