Radiation protection necessarily in medical imaging: solution by metal composite

Journal of Injury and Violence Research Pub Date : 2019-08-01 DOI:10.5249/jivr.v11i2.1482

P. Mehnati, Parisa Mehnati, Niloufar Afshin, R. Malekzadeh

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Abstract

Abstract: Background: Using ionizing radiation equipment is known one of the important assays for patient diagnosis. ‎Radiation damage to in field organs was considered as a limitation factor of medical imaging ‎issue but application of the new metal composite shield helped to solving this problem. There ‎are three radiosensitive organs including breast, thyroid and lens that their protection is ‎necessary during chest and skull-neck imaging. In this study radiation dose of sensitive organs ‎during medical imaging and effect of composite shield was presented. ‎ Methods: In this study Bismuth micro- particles as a metal used with Silicon for making composite shield ‎for radioprotection of breast, thyroid and lens. Reduction of radiation dose in the three sensitive ‎organs recorded using Bismuth composite shield. ‎ Results: The findings showed that the dose reduction with bismuth composite shield depends on the ‎scanner, exposure condition and shield design. In skull imaging eyes dose decline varied from ‎‎21% to 50%. In the case of Thyroid, the dose reductions varied from 25% to 84% and finally in ‎chest imaging showed the dose decreasing by 15% to 57% for breast. ‎ Conclusions: Comparison between the eye, the thyroid, and the breast doses in the presence of shield showed ‎that bismuth composite shield has a great potential for sensitive organ protection from radiation ‎damages.‎ Keywords: Ionizing radiation, Medical imaging, Radiation protection, Bismuth composite shield

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医学成像中的辐射防护：金属复合材料解决方案

摘要：背景：已知使用电离辐射设备是诊断患者的重要手段之一。‎场内器官的辐射损伤被认为是医学成像的一个限制因素‎但新型金属复合材料屏蔽的应用有助于解决这一问题。那里‎包括乳腺、甲状腺和晶状体在内的三个放射敏感器官的保护作用‎在胸部和头颈部成像期间是必要的。在本研究中，敏感器官的辐射剂量‎在医学成像过程中，介绍了复合屏蔽的效果。‎ 方法：在本研究中，铋微粒作为一种金属与硅一起制成复合屏蔽‎用于乳腺、甲状腺和晶状体的放射防护。降低三敏感人群的辐射剂量‎使用铋复合屏蔽记录的器官。‎ 结果：研究结果表明，铋复合屏蔽的剂量减少取决于‎扫描仪、曝光条件和屏蔽设计。在颅骨成像中，眼睛的剂量下降从‎‎21%至50%。在甲状腺的情况下，剂量减少从25%到84%不等，最终在‎胸部成像显示，乳腺癌的剂量减少了15%至57%。‎ 结论：在有防护罩的情况下，眼睛、甲状腺和乳房的剂量比较显示‎铋复合屏蔽在保护敏感器官免受辐射方面具有巨大潜力‎损害赔偿金‎ 关键词：电离辐射，医学成像，辐射防护，铋复合屏蔽

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来源期刊

Journal of Injury and Violence Research

自引率

0.00%

发文量

审稿时长

24 weeks

期刊介绍： The Journal of Injury and Violence Research (JIVR) is a peer-reviewed open-access medical journal covering all aspects of traumatology includes quantitative and qualitative studies in the field of clinical and basic sciences about trauma, burns, drowning, falls, occupational/road/ sport safety, youth violence, child/elder abuse, child/elder injuries, intimate partner abuse/sexual violence, self-harm, suicide, patient safety, safe communities, consumer safety, disaster management, terrorism, surveillance/burden of injury and all other intentional and unintentional injuries.