因2022年占领切尔诺贝利核电站而在工作场所遭受长期异常辐射暴露的切尔诺贝利核电站员工视网膜血管的变化。

D A Bazyka, V O Sushko, P A Fedirko, T F Babenko, V V Vasylenko, O O Kolosynska, M S Kuryata, V V Morozov, L O Lytvynets, R Yu Dorichevska, M S Kramarenko, Y V Yefimova, N A Garkava
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These factors could result in negative changes of health.It is known that radiation exposure causes changes in the course and caliber of retinal vessels.\n\n\nOBJECTIVE\nto assess the condition of retinal arteries and veins and the level of incorporated 137Cs content in persons who were exposed to prolonged exposure to radiation and non-radiation factors of industrial environment, as they were at the workplace overtime during the occupation of the Chornobyl Nuclear Power Plant in 2022.\n\n\nMATERIALS AND METHODS\nA comprehensive ophthalmological examination was carried out. Which included the determination of the diameter of the retinal arteries and veins, the arteriovenous ratio, of 55 people from among the personnel of the ChNPP, who worked under the conditions of the occupation of the ChNPP. All those examined were examined on an expert human radiation counter. The results of the ophthalmological examination were compared with the results of earlier examinations of ChNPP employees of the same age groups.\n\n\nRESULTS\nIt was established that in the examined group, a decrease in the arterio-venous ratio was observed, mainly due to the expansion of retinal veins. Dilatation of the veins was asymmetric, mainly the branches of the central vein of the retina of the right eye were more dilated. Retinal arteries were narrowed in all examined subjects. When comparing the results with the data of previous examinations, it was established that the arterio-venous ratio in this group was probably lower than in previously examined employees of the ChNPP of the same age groups. At the same time, the maximum registered value of the content of incorporated 137Сs was 713 Bq/organism, none of the examined exceeded the control level of 1,000 Bq/organism.\n\n\nCONCLUSIONS\nViolation of blood circulation in the retina was detected - a probable increase in the arteriovenous ratio due to the expansion of the retinal veins in the personnel of the Chornobyl nuclear power plant who worked under the conditions of the occupation of the ChNPP in 2022. 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引用次数: 0

摘要

在2022年切尔诺贝利核电站(ChNPP)被占领期间,一群员工在工作城镇呆了很长时间。这些人员长期暴露于辐射和非辐射因素的生产环境,以及应激等因素。这些因素可能导致健康的负面变化。众所周知,辐射暴露会导致视网膜血管的路线和口径发生变化。目的:评价2022年切尔诺贝利核电站占领期间长期暴露于工业环境辐射和非辐射因素下的工作场所加班人员视网膜动静脉状况及137Cs含量水平。材料与方法:行全面眼科检查。其中包括在ChNPP的职业条件下工作的55名ChNPP人员的视网膜动静脉直径和动静脉比的测定。所有被检查的人都在一个专业的人体辐射计数器上进行了检查。将眼科检查结果与同年龄组中国核电集团员工早期检查结果进行比较。结果:观察组动静脉比下降,主要是由于视网膜静脉扩张所致。静脉扩张不对称,以右眼视网膜中央静脉分支扩张为主。所有受试者的视网膜动脉都变窄。将结果与以往的检查数据进行比较,可以确定该组的动静脉比可能低于以往检查的同一年龄组的ChNPP员工。同时,纳入137Сs的含量最高登记值为713 Bq/生物体,未超过1000 Bq/生物体的控制水平。结论:检测到视网膜血液循环异常,可能是由于2022年在ChNPP占领条件下工作的切尔诺贝利核电站工作人员视网膜静脉扩张导致动静脉比增加。由于研究对象的纳入137Сs含量未超过控制水平(1,000 Bq/生物体),因此观察到的效果可能是其他辐射和非辐射因素影响的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
RETINA VESSELS CHANGES IN CHORNOBYL NUCLEAR POWER PLANT EMPLOYEES WHO EXPERIENCED LONG-TERM ABNORMAL RADIATION EXPOSURE AT THE WORKPLACE AS A RESULT OF THE OCCUPATION OF CHORNOBYL NUCLEAR POWER PLANT IN 2022.
During the occupation of the Chornobyl Nuclear Power Plant (ChNPP) in 2022, a group of employees remained in the working town for a long time. These personnel were exposed to long-term radiation and non-radiation factors of the production environment, as well as stress and other factors. These factors could result in negative changes of health.It is known that radiation exposure causes changes in the course and caliber of retinal vessels. OBJECTIVE to assess the condition of retinal arteries and veins and the level of incorporated 137Cs content in persons who were exposed to prolonged exposure to radiation and non-radiation factors of industrial environment, as they were at the workplace overtime during the occupation of the Chornobyl Nuclear Power Plant in 2022. MATERIALS AND METHODS A comprehensive ophthalmological examination was carried out. Which included the determination of the diameter of the retinal arteries and veins, the arteriovenous ratio, of 55 people from among the personnel of the ChNPP, who worked under the conditions of the occupation of the ChNPP. All those examined were examined on an expert human radiation counter. The results of the ophthalmological examination were compared with the results of earlier examinations of ChNPP employees of the same age groups. RESULTS It was established that in the examined group, a decrease in the arterio-venous ratio was observed, mainly due to the expansion of retinal veins. Dilatation of the veins was asymmetric, mainly the branches of the central vein of the retina of the right eye were more dilated. Retinal arteries were narrowed in all examined subjects. When comparing the results with the data of previous examinations, it was established that the arterio-venous ratio in this group was probably lower than in previously examined employees of the ChNPP of the same age groups. At the same time, the maximum registered value of the content of incorporated 137Сs was 713 Bq/organism, none of the examined exceeded the control level of 1,000 Bq/organism. CONCLUSIONS Violation of blood circulation in the retina was detected - a probable increase in the arteriovenous ratio due to the expansion of the retinal veins in the personnel of the Chornobyl nuclear power plant who worked under the conditions of the occupation of the ChNPP in 2022. Since the examined subjects did not exceed the control level of incorporated 137Сs content (1,000 Bq/organism), the observed effect may be a consequence of the influence of other, both radiation and non-radiation factors.
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Problemy radiatsiinoi medytsyny ta radiobiolohii
Problemy radiatsiinoi medytsyny ta radiobiolohii Medicine-Radiology, Nuclear Medicine and Imaging
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