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| Evaluation studies on the improvement of auxiliary radiological protective facilities in interventional radiology |
| XU Hui, WANG Jianchao, HUANG Zhuo, YUE Baorong, FAN Yaohua |
| Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088 China |
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Abstract Objective To provides reasonable and feasible suggestions for radiological protection to interventional staff by measuring the dose level in different auxiliary protective facilities at the standing position of interventional staff.Methods According to the characteristics of DSA equipment, 451P ionization chamber tourimeter was used to measure the ambient Dose Equivalent rate at different heights of interventional staff with using different auxiliary protective equipment. The effect of radiological protection was compared between different auxiliary protective facilities.Results The dose level of double-tube exposure is much bigger than that of the single-tube exposure. The shielding effect of using a lead screen for the first surgeon is better than the second surgeon. The using of a lead screen in double-tube exposure can reduce the dose of 31%~99% for the first surgeon and reduce the dose of 12%~90% for the second surgeon. The using of a lead screen in single-tube exposure can reduce the dose of the first surgeon 4%~65% of the dose, and reduce the 2%~30% of the dose for the second surgeon. The dose of head, chest and abdomen of interventional staff can be significantly reduced through improving the existing auxiliary protective facilities, but the protective effect to the foot is not obvious.Conclusion The using of lead screens and improving the auxiliary protective equipment can shield the X-rays of interventional staff in varying degrees, it can protect interventional staff and reduce the radiation dose level.
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Received: 12 September 2017
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