Ciraj-Bjelac Olivera, Carinou Eleftheria, Ferrari Paolo, Gingaume Merce, Merce Marta Sans, O'Connor Una
Vinca Institute of Nuclear Science, University of Belgrade, Belgrade, Serbia.
Greek Atomic Energy Commission (GAEC), Attiki, Greece.
J Am Coll Radiol. 2016 Nov;13(11):1347-1353. doi: 10.1016/j.jacr.2016.06.015. Epub 2016 Sep 15.
Occupational exposure from interventional x-ray procedures is one of the areas in which increased eye lens exposure may occur. Accurate dosimetry is an important element to investigate the correlation of observed radiation effects with radiation dose, to verify the compliance with regulatory dose limits, and to optimize radiation protection practice. The objective of this work is to review eye lens dose levels in clinical practice that may occur from the use of ionizing radiation. The use of a dedicated eye lens dosimeter is the recommended methodology; however, in practice it cannot always be easily implemented. Alternatively, the eye lens dose could be assessed from measurements of other dosimetric quantities or other indirect parameters, such as patient dose. The practical implementation of monitoring eye lens doses and the use of adequate protective equipment still remains a challenge. The use of lead glasses with a good fit to the face, appropriate lateral coverage, and/or ceiling-suspended screens is recommended in workplaces with potential high eye lens doses.
介入性X射线检查程序导致的职业暴露是可能增加眼晶状体暴露的领域之一。准确的剂量测定是研究观察到的辐射效应与辐射剂量之间的相关性、验证是否符合监管剂量限值以及优化辐射防护措施的重要因素。这项工作的目的是回顾临床实践中因使用电离辐射可能出现的眼晶状体剂量水平。使用专用的眼晶状体剂量计是推荐的方法；然而，在实际操作中，它并非总能轻易实现。另外，可以通过测量其他剂量学量或其他间接参数（如患者剂量）来评估眼晶状体剂量。监测眼晶状体剂量的实际操作以及使用适当的防护设备仍然是一项挑战。在眼晶状体剂量可能较高的工作场所，建议使用贴合面部、具有适当侧向覆盖范围的铅眼镜和/或天花板悬挂式防护屏。
