Objective To analyze the external exposure dose and department environment preventive effect monitoring re-port of the work staff in the department of radiology in Nanyang Central Hospital and evaluate the implementation condition and effect of radiology prevention measures in our hospital. Methods The external exposure personal dose and department radiology environment of 127 cases of work staff in the department of radiology in our hospital from January 2013 to January 2016 were monitored and evaluated by the thermal glow personal dose routine monitoring method, and the personal dose change and department environment protection effect were analyzed. Results The average value of collectivity effective dose in our hospital was 0.521mSv, the average value of annual collectivity effective dose was 46.46 mSv, and the average effec-tive dose range was between 0.551mSv to 5.853mSv per year, and the individual whose average dose below 2mSv/a account-ed for 96.71%, the personal dose and department environment radiation level met the national related standards, and the qualified level showed an increasing trend year by year. Conclusion The individual external exposure dose of work staff in the department of radiology in our hospital meets the related standards, and with the improvement of medical level and man-agement level, its environment protection effect is annually improved, but we need to constantly improve the management method in order to maximize the protection of work staff health and create a safe work environment for them.%目的：分析南阳市中心医院放射科工作人员外照射剂量及科室环境防护效果监测报告，对该院放射防护措施落实情况及效果进行评价。方法采用热释光个人剂量常规监测法，对该院127名放射科工作人员在2013年1月-2016年1月间外照射个人剂量和科室放射环境进行监测、评价，分析个人剂量变化情况及科室环境防护效果。结果该院集体有效剂量平均值为0.521mSv，集体年有效剂量平均值为46.46 mSv，年均有效剂量范围在0.551~5.853mSv之间，个人年均剂量在2mSv/a以下者为96.71%。个人剂量及科室环境辐射水平均符合国家相关标准，且合格水平呈逐年上升趋势。结论该院放射科工作人员个人外照射剂量符合相关规定标准，随着医疗水平及管理水平的提升，其环境防护效果逐年提升，但仍需持续改进管理方法，以最大限度的保护工作人员健康，为其创作安全工作环境。
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