ArticleJournal of medical radiation sciences2025
Optimising Radiation Dose Estimation: UNSCEAR DAP-to-ED Conversion in Uterine Artery Embolisation.
Article in Journal of medical radiation sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
introductionRadiographers and physicians working in interventional radiology (IR) departments are responsible for monitoring and optimising radiation dose exposure to both patients and staff. The dose-area product (DAP) is a common measurement of radiation output but does not directly correlate with stochastic risks. Pre-determined conversion factors allow estimation of effective dose (ED) for IR procedures to better assess radiation exposure risks. This study evaluates the clinical utility of DAP-to-ED conversion factors to improve knowledge of radiation risk assessment.
methodsRetrospective data on DAP (Gray per centimetre-squared/Gy.cm
resultsMultivariable linear regression (MVLR) analysis demonstrated that DAP correlated with the converted ED values for both groups (p < 0.01). The mean ED was 9.5 milliSieverts (mSv) for Group A and 8.7 mSv for Group B.
conclusionMVLR analysis confirmed a strong correlation between DAP and the ED conversions, demonstrating that the 'UNSCEAR User Manual' has potential to serve as a DAP-to-ED estimation tool for common interventional procedures. The mean ED found was equivalent to the radiation dose of approximately one abdominal computed tomography (CT) scan. Implementing DAP-to-ED conversion can be valuable in improving both clinicians and patients' awareness of radiation exposure.
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