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目前认为冠脉钙化(CAC)是患者将来会罹患心脏病的可靠指征,电子束CT(EBCT)是检验CAC的金标准,但由于EBCT设备不普及、费用高,加上近年来开发了多层螺旋CR(MDCT),越来越多的研究倾向采用MDCT评价CAC。有多个研究证明MDCT在CAC检出与定量方面与EBCT高度相关,提示MDCT对CAC评价的可能性。最近具有回顾性ECG门控软件的16 MDCT投入临床使用,该文研究其与EBCT对CAC检出及定量方面的一致性。
Currently, coronary artery calcification (CAC) is considered as a reliable indicator of heart disease in the future. Electron beam CT (EBCT) is the gold standard for CAC testing. However, EBCT equipment is not widely used and costly, and more recently developed Stratocharged CR (MDCT), an increasing number of studies have tended to evaluate CAC using MDCT. Several studies have demonstrated that MDCT is highly correlated with EBCT in CAC detection and quantification, suggesting the possibility of MDCT in assessing CAC. The recent clinical use of 16 MDCT with retrospective ECG gated software was put into clinical use to study its consistency with the detection and quantification of CAC by EBCT.