Antic V, Ciraj-Bjelac O, Rehani M, Aleksandric S, Arandjic D, Ostojic M
Center for Nuclear Medicine, University Clinical Centre of Serbia, Belgrade, Serbia.
Radiat Prot Dosimetry. 2013;154(3):276-84. doi: 10.1093/rpd/ncs236. Epub 2012 Nov 14.
Workers involved in interventional cardiology procedures receive high eye lens dose if protection is not used. Currently, there is no suitable method for routine use for the measurement of eye dose. Since most angiography machines are equipped with suitable patient dosemeters, deriving factors linking staff eye doses to the patient doses can be helpful. In this study the patient kerma-area product, cumulative dose at an interventional reference point and eye dose in terms of Hp(3) of the cardiologists, nurses and radiographers for interventional cardiology procedures have been measured. Correlations between the patient dose and the staff eye dose were obtained. The mean eye dose was 121 µSv for the first operator, 33 µSv for the second operator/nurse and 12 µSv for radiographer. Normalised eye lens doses per unit kerma-area product were 0.94 µSv Gy⁻¹ cm⁻² for the first operator, 0.33 µSv Gy⁻¹ cm⁻² for the second operator/nurse and 0.16 µSv Gy⁻¹ cm⁻² for radiographers. Statistical analysis indicated that there is a weak but significant (p < 0.01) correlation between the eye dose and the kerma-area product for all three staff categories. These values are based on a local practice and may provide useful reference for other studies for validation and for wider utilisation in assessing the eye dose using patient dose values.
如果不采取防护措施，参与介入心脏病学手术的工作人员会受到较高的眼晶状体剂量照射。目前，尚无适用于常规测量眼部剂量的方法。由于大多数血管造影机都配备了合适的患者剂量仪，推导将工作人员眼部剂量与患者剂量联系起来的因子可能会有所帮助。在本研究中，已测量了介入心脏病学手术中心脏病专家、护士和放射技师的患者比释动能面积乘积、介入参考点处的累积剂量以及以Hp(3)表示的眼部剂量。获得了患者剂量与工作人员眼部剂量之间的相关性。第一操作者的平均眼部剂量为121µSv，第二操作者/护士为33µSv，放射技师为12µSv。每单位比释动能面积乘积的归一化眼晶状体剂量，第一操作者为0.94µSv Gy⁻¹ cm⁻²，第二操作者/护士为0.33µSv Gy⁻¹ cm⁻²，放射技师为0.16µSv Gy⁻¹ cm⁻²。统计分析表明，所有三类工作人员的眼部剂量与比释动能面积乘积之间均存在微弱但显著的相关性（p < 0.01）。这些值基于当地的实践，可为其他研究进行验证以及在利用患者剂量值评估眼部剂量方面更广泛地应用提供有用的参考。
