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Adult CT Examinations in Algeria: Towards Updating National Diagnostic Reference Levels.
Radiation Protection Dosimetry ( IF 1 ) Pub Date : 2020-09-03 , DOI: 10.1093/rpd/ncaa116
Nadia Khelassi-Toutaoui 1 , Ahmed Merad 1 , Virginia Tsapaki 2 , Fouzia Meddad 1 , Zakia Sakhri-Brahimi 1 , Diana Guedioura 1 , Samia Saadi 1
Affiliation  

Abstract
A pilot study has concerned the most frequent computed tomography examinations (CT). This represents the first results based on actual survey for diagnostic reference levels (DRLs) establishment in Algeria. A total number of 2540 patients underwent this survey that has included the recording of CT parameters, computed tomography dose index (CTDIvol) and dose-length product of the head, thorax, abdomen, abdomen–pelvis (AP), lumbar spine (LS) and thorax–abdomen–pelvis (TAP) performed on standard patients. The proposed DRLs are 71 mGy/1282 mGy.cm for head, 16 mGy/555 mGy.cm for thorax, 18 mGy/671 mGy.cm for abdomen, 21 mGy/950 mGy.cm for AP, 36 mGy/957 mGy.cm for LS and 18 mGy/994 mGy.cm for TAP. The rounded 75th percentile seems to be higher in some examinations compared to the literature. Our findings confirm the need to optimise our practice. These results provide a starting point for institutional evaluation of CT radiation doses.


中文翻译:

阿尔及利亚的成人CT考试:迈向更新国家诊断参考水平。

摘要
一项初步研究涉及最频繁的计算机断层扫描检查(CT)。这是基于对阿尔及利亚诊断参考水平(DRL)建立的实际调查得出的首个结果。共有2540名患者接受了此项调查,其中包括CT参数的记录,计算机断层摄影剂量指数(CTDI体积)和标准患者的头,胸,腹,腹-骨盆(AP),腰椎(LS)和胸-腹-骨盆(TAP)的剂量长度乘积。拟议的DRL头为71 mGy / 1282 mGy.cm,胸部为16 mGy / 555 mGy.cm,腹部为18 mGy / 671 mGy.cm,AP为21 mGy / 950 mGy.cm,36 mGy / 957 mGy。 LS为18厘米,TAP为18毫吉/ 994毫吉。厘米。与某些文献相比,某些考试中的第75位四舍五入似乎更高。我们的发现证实有必要优化我们的实践。这些结果为机构评估CT辐射剂量提供了起点。
更新日期:2020-10-17
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