Ordiales J M, Nogales J M, Vano E, López-Mínguez J R, Alvarez F J, Ramos J, Martínez G, Sánchez R M
Medical Physics Department, Hospital de Mérida, Mérida, Spain.
Sensory Systems Research Group, University of Extremadura, Badajoz, Spain.
Radiat Prot Dosimetry. 2017 Apr 25;174(2):255-261. doi: 10.1093/rpd/ncw139.
The aim of this study was to evaluate the occupational radiation dose in interventional cardiology by using a shielding drape on the patient. A random study with and without the protective material was conducted. The following control parameters were registered: demographic data, number of stents, contrast media volume, fluoroscopy time, number of cine images, kerma-area product and cumulative air kerma. Occupational dose data were obtained by electronic active dosemeters. No statistically significant differences in the analysed control parameters were registered. The median dose value received by the interventional cardiologist was 50% lower in the group with a shielding drape with a statistically significant p-value <0.001. In addition, the median value of the maximum scatter radiation dose was 31% lower in this group with a statistically significant p-value <0.001. This study showed that a shielding drape is a useful tool for reducing the occupational radiation dose in a cardiac catheterisation laboratory.
本研究的目的是通过在患者身上使用屏蔽帘来评估介入心脏病学中的职业辐射剂量。进行了一项有或没有防护材料的随机研究。记录了以下控制参数：人口统计学数据、支架数量、造影剂用量、透视时间、电影图像数量、比释动能面积乘积和累积空气比释动能。职业剂量数据通过电子有源剂量计获得。在所分析的控制参数中未发现统计学上的显著差异。在使用屏蔽帘的组中，介入心脏病专家接受的中位剂量值降低了50%，p值具有统计学意义，p<0.001。此外，该组中最大散射辐射剂量的中位值降低了31%，p值具有统计学意义，p<0.001。本研究表明，屏蔽帘是降低心导管实验室职业辐射剂量的有用工具。
