南非一家儿科专科医院诊断和治疗儿科心脏病学的当地诊断参考水平

IF 0.7 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Polish Journal of Medical Physics and Engineering Pub Date : 2022-09-01 DOI:10.2478/pjmpe-2022-0021
J. Mbewe, Thembisa Mjenxane
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引用次数: 0

摘要

摘要:儿童可能面临更高的风险,经历电离辐射的有害影响,由医疗辐射成像。因此,建议进行剂量优化,以确保他们的暴露程度尽可能低。为此目的,有必要定期评估医疗设施的剂量水平并确定当地诊断参考水平。关于儿童介入放射学剂量水平的文献资料普遍缺乏。本研究在一个资源受限的国家建立了一家儿科专科医院诊断和治疗性心导管手术的最低限度。材料和方法:从档案中收集实际患者手术的剂量指标并进行回顾性分析,以确定所选介入手术的总Air Kerma面积积(KAP)、累积Air Kerma (CAK)、总透视时间(FT)和总Cine Images (CI)的中位数、第25和第75百分位数。剂量指标也按照国际辐射防护委员会第135号出版物的规定按年龄划分为五个年龄组。将结果与文献中类似研究的可用值进行比较,以确定我们的剂量水平。局部剂量参考水平设为第75百分位值。结果:对于诊断程序(n = 80), KAP、CAK、FT和CI的第75百分位数分别为4.0 Gy·cm2、31.5 mGy、14.3 min和315帧;对于治疗程序(n = 143), KAP、CAK、FT和CI的第75百分位数分别为3.2 Gy·cm2、30.5 mGy、17.5 min和606帧。结论:本研究的ldrl与文献中发表的ldrl没有显著差异,表明我们中心的实践与国际规范相当。必须对最低限度进行定期审查,以检查剂量水平是否偏离很大。
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Local diagnostic reference levels in diagnostic and therapeutic pediatric cardiology at a specialist pediatric hospital in South Africa
Abstract Introduction: Children may be at a higher risk of experiencing the detrimental effects of ionizing radiation arising from medical radiation imaging. Dose optimisation is therefore recommended to provide assurance that their exposure is as low as reasonably achievable. To this end, periodic assessment of dose levels and establishment of Local Diagnostic Reference Levels (LDRLs) in medical facilities is necessary. There is a general paucity in the literature of data pertaining to dose levels in pediatric interventional radiology. This study establishes LDRLs in diagnostic and therapeutic heart catheterization procedures at a specialist pediatric hospital in a resource constrained country. Material and methods: Dose indicators from actual patient procedures were collected from the archive and analyzed retrospectively to determine the median, 25th, and 75th percentiles of the total Air Kerma Area Product (KAP), Cumulative Air Kerma (CAK), total Fluoroscopy Time (FT), and a total number of Cine Images (CI) of selected interventional procedures. The dose indicators were also age-stratified into five age groups defined by the International Commission on Radiation Protection publication 135. The results were compared to values available from similar studies in the literature to benchmark our dose levels. Local Dose Reference Levels were set as the 75th percentile values. Results: For diagnostic procedures (n = 80), the 75th percentiles of KAP, CAK, FT, and CI were 4.0 Gy·cm2, 31.5 mGy, 14.3 min, and 315 frames, respectively and 3.2 Gy·cm2, 30.5 mGy, 17.5 min, and 606 frames, respectively for therapeutic procedures (n = 143). Conclusions: The LDRLs from this study did not vary significantly from those published in the literature, suggesting that practices at our center were comparable to international norms. Regular reviews of the LDRLs must be conducted to check that the dose levels do not deviate considerably.
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来源期刊
Polish Journal of Medical Physics and Engineering
Polish Journal of Medical Physics and Engineering RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
1.30
自引率
0.00%
发文量
19
期刊介绍: Polish Journal of Medical Physics and Engineering (PJMPE) (Online ISSN: 1898-0309; Print ISSN: 1425-4689) is an official publication of the Polish Society of Medical Physics. It is a peer-reviewed, open access scientific journal with no publication fees. The issues are published quarterly online. The Journal publishes original contribution in medical physics and biomedical engineering.
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