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64排螺旋CT不同剂量条件下心脏成像质量的物理量化评价 被引量:1

Physical Quantitative Evaluation of Cardiac Imaging Quality at Different Dose Levels Using 64-row Detector CT
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摘要 本文针对多排螺旋CT心脏扫描模式,设计了6组不同的扫描参数,对能够进行规律性搏动的心脏体模进行扫描,对图像的质量进行量化评价,对不同剂量扫描参数对图像质量的影响进行分析。 Performs cardiac scans at six dose levels on pulsating cardiac phantom using 64-row detector CT.Evaluates the image quality by the physical parameters quantitatively and analyzes the effect of radian dose on the imaging quality.
出处 《中国医疗设备》 2011年第6期28-30,49,共4页 China Medical Devices
基金 国家自然科学基金项目(30870751) 北京市卫生系统高层次卫生技术人才培养计划项目(2009-3-57)
关键词 螺旋CT 心脏冠脉成像 辐射剂量 心脏体模 spiral CT cardiac coronary imaging radiation dose cardiac phantom
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参考文献10

  • 1费晓璐,李坤成,杜祥颖,李鹏雨,沈云,廖静敏.基于64层CT对心脏体模冠脉狭窄成像的客观评估方法[J].医疗设备信息,2007,22(2):4-6. 被引量:7
  • 2刘素峰.CT影像质量的保证和控制[J].医疗设备信息,2007,22(2):87-88. 被引量:13
  • 3祁吉,沈云,吴胜勇,葛夕洪,姜滨.新型心脏动态体模及其在多层螺旋CT心脏扫描中的应用[J].中华放射学杂志,2006,40(9):988-990. 被引量:18
  • 4白玫,彭明辰.X线CT成像质量评估中的调制传递函数的测试与分析[J].医疗设备信息,2006,21(5):11-13. 被引量:15
  • 5C. Hohl,G. Mühlenbruch,J. E. Wildberger,C. Leidecker,C. Sü?,T. Schmidt,R. W. Günther,A. H. Mahnken.Estimation of radiation exposure in low-dose multislice computed tomography of the heart and comparison with a calculation program[J]. European Radiology . 2006 (8)
  • 6Horiguchi J,Kiguchi M,Fujioka C,et al.Radiation dose,imagequality,stenosis measurement,and CT densitometry usingECG-triggered coronary 64-MDCT angiography:a phantomstudy. American Journal of Roentgenology . 2008
  • 7LM Hurwitz,RE Reiman,TT Yoshizumi.Radiation dose from contemporary cardiothoracic multidetector CT protocols with an anthropomorphic female phantom: implications for cancer induction. Radiology . 2007
  • 8Ohkubo,M,Wada,S,Matsumoto,T,Nishizawa,K.An effective method to verify line and point spread functions measured in computed tomography. Medical Physics . 2006
  • 9Nickoloff EL,Riley R.A simplified approach for modulation transter function determinations in computed tomography. Medical Physics . 1985
  • 10DJ Brenner,EJ Hall.Computed tomography-an increasing source of radiation exposure. New England Journal of Medicine, The . 2007

二级参考文献29

  • 1李新华,李强,张海宁,崔文国,李荣环,张振.医用CT的质量控制和保证[J].医疗卫生装备,2004,25(7):39-39. 被引量:16
  • 2张涛,张书旭,崔书中,汤日杰,彭俊琴,张海南,王来奎.改变CT扫描层厚或扫描野对靶点的影响[J].医疗设备信息,2005,20(3):4-5. 被引量:2
  • 3毛树伟,和耐秋,刘俊明.浅谈CT技术的发展与应用[J].医疗设备信息,2005,20(8):33-34. 被引量:10
  • 4全晓莉,何为,古良玲.动脉硬化指数的测量与临床研究[J].医疗卫生装备,2006,27(2):1-2. 被引量:5
  • 5王鸣鹏.实用CT检查技术学[M].北京:科学技术文献出版社,2000:28-31.
  • 6Goodenough D,Atkins F,Dyer S.Automated techniques for quality assurance of radiological image modalities.SPIE.Image Capture,Formatting,and Display,1991,1444:87-99.
  • 7Dainty JC,Shaw R.Image Science[M].New York:Academic Press,1974.
  • 8Goodenough D,Atkins F.Theoretical and practical aspects of automated quality assurance approaches,particularly for CT[C].Proceedings of the ICR 89,editors Silve,et.Al,1990.
  • 9Fujita H,Tsai D-Y,Itoh T,et al.A simple method for determining the modulation transfer function in digital radiography[J].IEEE Transactions on Medical Imaging,1992,11:34-39.
  • 10Cunningham IA,Reid BK.Signal and noise in modulation transfer function determinations using the slit,wire,and edge techniques[J].Medical Physics,1992,19:1037-1044.

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