期刊文献+

宝石能谱64排CT冠脉成像低剂量的临床应用 被引量:4

下载PDF
导出
摘要 目的探讨宝石能谱64排CT冠脉成像优化扫描模式,降低冠状动脉成像辐射剂量。方法将2012年1-12月临床拟诊冠心病、心率小于65次/min的120例病人随机分为两组,分别用前瞻性心电门控扫描和回顾性门控扫描,评估有效射线剂量。结果在相同管电压条件下,用前瞻性心电门控扫描平均有效射线剂量为(2.75±0.95)mSv,回顾性心电门控扫描平均有效射线剂量为(18.2±2.9)mSv。结论前瞻性心电门控技术横断面扫描能满足临床诊断需要,同时也非常有效地降低了辐射剂量。
出处 《当代医学》 2013年第27期51-52,共2页 Contemporary Medicine
  • 相关文献

参考文献1

共引文献41

同被引文献36

  • 1周渊,戴汝平,高润霖,吕树铮,陈韵岱.电子束CT血流检查评价冠状动脉支架内狭窄[J].中华心血管病杂志,2005,33(8):687-690. 被引量:1
  • 2刘新,李颖,杨立,赵锡海,王新疆,赵绍宏,张玉霄,蔡祖龙.64层螺旋CT评价冠状动脉支架内再狭窄的价值[J].中华放射学杂志,2006,40(8):808-811. 被引量:44
  • 3Hu D,Yu T,Duan X,et al.Determination of the optimal energy level in spectral CT imaging for displaying abdominal vessels in pediatric patients[J].European journal of radiology,2014,83(3):589-594.
  • 4He J,Ma X,Wang Q,et al.Spectral CT demonstration of the superior mesenteric artery:comparison of monochromatic and polychromatic imaging[J].Academic radiology,2014,21(3):364-368.
  • 5Machida H,Fukui R,Tanaka I,et al.A method for selecting a protocol for routine body CT scan using Gemstone Spectral Imaging with or without adaptive statistical iterative reconstruction:phantom experiments[J].Japanese journal of radiology,2014,32(4):217-223.
  • 6Matsumoto K,Jinzaki M,Tanami Y,et al.Virtual monochromatic spectral imaging with fast kilovoltage switching:improved image quality as compared with that obtained with conventional 120-kVp CT[J].Radiology,2011,259(1):257-262.
  • 7Matsuda I,Akahane M,Sato J,et al.Precision of the measurement of CT numbers:comparison of dualenergy CT spectral imaging with fast kVp switching and conventional CT with phantoms[J].Japanese journal of radiology,2012,30(1):34-39.
  • 8Marin D,Boll D T,Mileto A,et al.State of the art:dualenergy CT of the abdomen[J].Radiology,2014,271(2):327-342.
  • 9Aoki M,Takai Y,Narita Y,et al.Correlation between tumor size and blood volume in lung tumors:a prospective study on dual-energy gemstone spectral CT imaging[J].Journal of radiation research,2014,55(5):917-923.
  • 10Yamada Y,Jinzaki M,Hosokawa T,et al.Abdominal CT:An intra-individual comparison between virtual monochromatic spectral and polychromatic 120-kVp images obtained during the same examination[J].European journal of radiology,2014,83(10):1715-1722.

引证文献4

二级引证文献9

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部