The comparison of radiation dose in coronary angiography through different accesses
DENG Yunpeng1, BAI Shengyao2, FAN Yudong1, YANG Xingsheng1, WU Di1
1.Emergency General Hospital,Beijing 100028,China; 2.The Researoh Inst: tute for modical prevention and Cotrtol of pvblic Hoalth Emergenly,Characteristic Medical Center of Amed Police, Beijing 102613, China
Abstract：Objective To compare radiation doses of patients and operators between transfemoral and transradial coronary angiography.Methods A phantom was used to simulate coronary angiography under clinical conditions. According to different accesses, our experiment was divided into the TFI group (transfemoral intervention)and the TRI group (transradial intervention).According to different gauge positions and radiation protection measures,the TFI group was divided into subgroups TFI1-TFI4 while the TRI group was divided into subgroups TRI1-TRI8.The radiation doses of patients and operators were recorded with the same thermoluminescent dosimeter and the X-ray dosimeter equipped in the angiography machine.The angiography positions were switched while the fluoroscopy and cine time were controlled by using preset programs in the machine.The measurement of each group was pepeated 10 times before the mean values were compared.Results Compared with the TFI group,the mean values of the aggregate dose,cumulative dose of fluoroscopy and angiography in the TRI group increased significantly.Among the 7 positions of coronary angiography,the maximal values of DAP and AK were related to LAO position.When operating with the radial artery access ,the operators'radiation dose in the subgroups with the protection of exclusive use of radial artery was reduced obviously compared with subgroups without the protection.Conclusions Compared with transfemoral coronary angiography,the radiation dose of operator’s hands and chests is significantly higher in transradial coronary angiography.The difference of operator’s chests is much more remarkable in the LAO positions than in other positions.Whatever the access ,the radiation dose of patients is highest in the LAO positions.Therefore ,operators should choose the right position in the course of operation to reduce unnecessary radiation.The combined use of special radiak artery protective equipment and conventional protective equipments can greatly reduce the radiation dose of operators undergoing transradial operation,which is worth of popularization.
邓云鹏, 白晟遥, 范煜东, 杨兴胜, 吴迪. 桡动脉与股动脉入路模拟冠脉造影术患者和术者辐射剂量比较[J]. 武警医学, 2020, 31(4): 308-312.
DENG Yunpeng, BAI Shengyao, FAN Yudong, YANG Xingsheng, WU Di. The comparison of radiation dose in coronary angiography through different accesses. Med. J. Chin. Peop. Armed Poli. Forc., 2020, 31(4): 308-312.
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2020, Vol. 31 
