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Radiation Exposure to Staff in Intensive Care Unit with Portable CT Scanner

机译:辐射与便携式CT扫描仪的重症监护室工作人员接触

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摘要

Background. Bedside radiological procedures pose a risk of radiation exposure to ICU staff. The perception of risk may increase the degree of caution among the health care staff and raise new barriers preventing patients from obtaining prompt care. Objective. The aim of this study was to estimate the annual cumulative radiation dose to individual ICU staff. Methods. In this prospective study, forty subjects were required to wear thermoluminescent dosimeter badges during their working hours. The badges were analyzed to determine the exposure after 3 months. Results. A total of 802 radiological procedures were completed at bedside during the study period. The estimated annual dosage to doctors and nurses on average was 0.99 mSv and 0.88 mSv (p<0.001), respectively. Residents were subjected to the highest radiation exposure (1.04 mSv per year, p=0.002). The radiation dose was correlated with day shift working hours (r=0.426; p=0.006) and length of service (r=-0.403; p<0.01). Conclusions. With standard precautions, bedside radiological procedures—including portable CT scans—do not expose ICU staff to high dose of ionizing radiation. The level of radiation exposure is related to the daytime working hours and length of service.
机译:背景。床头放射性程序构成了ICU工作人员的辐射风险。风险的看法可能会增加医疗保健人员之间的谨慎程度,并提高预防患者的新障碍获得快速护理。客观的。本研究的目的是估计为个人ICU工作人员的年度累积辐射剂量。方法。在这项前瞻性研究中,需要在工作时间佩戴热致发光剂量计徽章所需的四十个受试者。分析徽章以在3个月后确定暴露。结果。在研究期间,总共在床边完成了802个放射手术。估计的每年剂量和平均护士的年度剂量分别为0.99 msv和0.88msv(p <0.001)。居民受到最高辐射暴露(每年1.04msV,P = 0.002)。辐射剂量与白天换档工作小时(R = 0.426; p = 0.006)和服务长度(r = -0.403; p <0.01)。结论。通过标准预防措施,床边放射手术 - 包括便携式CT扫描 - 不要将ICU员工暴露给高剂量的电离辐射。辐射曝光程度与日间工作时间和服务长度有关。

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