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| Assessment of the Eye Lens dose to Working Operator in Five Types of Interventional Fluoroscopic Procedures |
| XUE xian, WEI Ke-dao, ZHAO Hong-feng, XU Hui, WANG Jian-chao, YUE Bao-rong |
| National Institute for Radiological Protection, China CDC, Beijing 100088 China |
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Abstract Objective To report estimated radiation dose to the eye lens of the interventionalist from five procedures.Methods The radiation doses to the eye lens for five interventional radiology fluoroscopic systems were measured by using OSLs(Optically Stimulated Luminescence) dosimetry calibrated in Hp(0.07).For the eyes, the OSLs are positioned to the right,left and middle sids. Meanwhile,fluoroscopy times,accumulated doses,and DAPs(Dose-Area Product) et.al were recorded for statistical analysis.Results The annual eye lens doses estimated for the operator with the highest workload according to the measurements and the system's log book were 15.12 mSv in CA(Coronary Angiography), 11.59 mSv in PTCA (Percutaneous Transluminal Coronary Angioplasty) and PCI(Percutaneous Coronary Intervention),8.64 mSv in Cerebral aneurysm,36.10 mSv in Pacemaker Therapy,12.78 mSv in Radiofrequency ablation. In Pacemaker Therapy the dose of equivalent of eye lens was the highest in he five procedures.The eye lens doses were different in different procedures,fluoroscopy times,accumulated doses and DAPs.Conclusion The eye lens dose of operators in Pacemaker Therapy will receive an annual equivalence dose of more than 20 mSv as recommended by the ICRP provided by the current study.Attention should be paid to the protection of the eyes of operators.
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Received: 22 May 2017
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