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二代双源CT不同扫描模式冠状动脉成像及辐射剂量的研究 被引量:3

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摘要 随着多排螺旋CT技术的快速发展,特别是双源CT(DSCT)的出现,冠状动脉CT血管成像(CTA)已经成为冠状动脉狭窄患者冠脉成像的重要替代手段,其安全、简便、无创的检查方法在为临床提供更丰富的影像学信息的同时,也不可避免地增加了受检人群的总体受辐射剂量水平。因此,CT扫描时应严格控制辐射剂量。第二代双源CT将前瞻性心电门控技术与高螺距扫描相结合,形成了特有的Flash螺旋心脏扫描模式。本研究通过评价双源CTFlash模式(Flash螺旋心脏扫描模式)和常规模式(回顾性心电门控螺旋扫描模式)的冠状动脉成像质量和辐射剂量,以实现个性化低剂量冠状动脉扫描模式的选择。
出处 《中华放射医学与防护杂志》 CAS CSCD 北大核心 2012年第3期329-330,共2页 Chinese Journal of Radiological Medicine and Protection
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参考文献8

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共引文献20

同被引文献33

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