胸部放射治疗过程中 X 光室的散射辐射水平

IF 1.6 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Applied Radiation and Isotopes Pub Date : 2024-08-12 DOI:10.1016/j.apradiso.2024.111472

Chiamaka Peace Onu , Chukwuemeka Christian Nzotta

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引用次数: 0

摘要

这项研究的重点是确定 X 射线室在胸部放射治疗过程中的散射辐射水平。108 名患者接受了检查。研究中使用了三个中心的四台 X 光机（A、B、C 和 D）。本研究考虑了三个位置：Q 位置，就在（巴基支架）旁边；R 位置，从巴基支架左侧向门方向 150 厘米；T 位置，从巴基支架到放射线技师的保护屏之间 200 厘米。两台机器（A 和 B）来自中心 1，一台机器来自中心 2（C），一台机器来自中心 3（D）。参与者的体重指数（BMI）介于 20 至 25 kgm-2 之间，平均值为 23.97 kgm-2。在暴露前 100 米处使用 Radalert 读取本底辐射水平，平均本底辐射水平为 0.298 mR/h。从 Q 位置到 A、B、C 和 D 四台机器的散射辐射剂量平均值分别为 0.109、0.201、0.204 和 0.200 mR/h（9.166、16.903、17.156 和 16.819 mSv/yr），标准偏差分别为 ±0.052、±0.053、±0.064 和 ±0.081。这些结果与以往的研究结果相当。研究建议对员工进行辐射水平测定方面的教育和培训，以加强工作安全。

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Scatter radiation levels in X-ray rooms during chest radiography

This research focused on the determination of scatter radiation levels in x-ray rooms during chest radiography. 108 patients were examined. Four x-ray machines (A, B, C, and D) were used during the research from three centers. Three positions were considered in this study; position Q just beside the (Bucky stand), position R, which is 150 cm from the left of the Bucky stand towards the door and position T, 200 cm from the Bucky stand to the radiographer's protective screen respectively. Two machines (A and B) from center 1 and one machine from center 2 (C) and one machine from center 3 (D). The body mass index (BMI) of the participants ranged from 20 to 25 kgm⁻² with mean value of 23.97 kgm⁻². The background radiation level was read using Radalert 100 m before any exposure, and the mean background level was 0.298 mR/h. The mean of the scatter radiation doses obtained from positions Q with respect to the four machines A, B, C, and D, were 0.109, 0.201, 0.204, 0.200 mR/h (9.166, 16.903, 17.156, 16.819 mSv/yr) and their standard deviations were ±0.052, ±0.053, ±0.064, and ±0.081 respectively. The results were comparable with previous studies. The study recommends staff education and training in determination of radiation levels for enhanced work safety.

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来源期刊

Applied Radiation and Isotopes 工程技术-核科学技术

CiteScore

3.00

自引率

12.50%

发文量

406

审稿时长

13.5 months

期刊介绍： Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.