Cho Pyong-Kon
Department of Radiological Science, Catholic University of Daegu, 330, Geumrak 1-Ri, Hayang-eup, Gyeongsan-si, Gyeongbuk 712-702, Republic of Korea.
Radiat Prot Dosimetry. 2013 May;154(4):505-9. doi: 10.1093/rpd/ncs264. Epub 2012 Oct 15.
The primary goal of this study was to analyse the state of patient doses in the field for head computed tomography angiography (HCTA) examinations in the Republic of Korea. All survey data, including CT application and patient dose details, were obtained from the general hospitals registered in the Korean Hospital Association. The systematic analysis of patient dose data would allow target value to be established for the weighted CT dose index (CTDIw), volume-weighted CTDI (CTDIvol) and a dose-length product (DLP), which might be used to set diagnostic reference levels. The survey on patients' dose showed that the 75th percentiles in the distribution of CTDIw, CTDIvol and DLP were 34.09, 26.7 and 1816 mGy for the HCTA examinations, respectively.
本研究的主要目的是分析韩国头部计算机断层扫描血管造影（HCTA）检查领域的患者剂量状况。所有调查数据，包括CT应用和患者剂量细节，均来自韩国医院协会注册的综合医院。对患者剂量数据的系统分析将有助于确定加权CT剂量指数（CTDIw）、体积加权CT剂量（CTDIvol）和剂量长度乘积（DLP）的目标值，这些值可用于设定诊断参考水平。患者剂量调查显示，HCTA检查中CTDIw、CTDIvol和DLP分布的第75百分位数分别为34.09、26.7和1816 mGy。
