JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES)

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Contrast quantity and injection velocity in coronary angiography with 64 multi-detector CT

ZHAO Lei1,　ZHAO Qiao-jing2,　WANG Xi-lin3, ZHANG Wei1,　SHAO Guang-rui1

  

  1. 1. Department of Radiology, Second Hospital of Shandong University， Jinan 250033, China; 2. Department of Plastic Surgery， Second Hospital of Shandong University， Jinan 250033, China;3. Department of Equipment, People′s Hospital of Changle County, Changle 262400, Shandong, China

  • Received:1900-01-01 Revised:1900-01-01 Online:2008-08-16 Published:2008-08-16
  • Contact: SHAO Guang-rui

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Abstract:

Objective〓〖WTBZ〗To explore the effect of contrast quantity and injection velocity in 64 multi-detector CT. 〖WTHZ〗Methods〓〖WTBZ〗Ninety patients diagnosed as or suspected coronary heart diseases (CAD) were subjected to CT coronary angiography using 64 multi-detector CT. Based on contrast quantity and injection velocity, they were divided into three groups: group A(65mL, 5.0mL/s), group B (45mL,5.0mL/s) and group C(45mL,4.5mL/s).The imaging was analyzed by the coronary modified fraction method, American Heart Association. 〖WTHZ〗Results〓〖WTBZ〗There were no statistical differences between group A and B and between group A and C. 〖WTHZ〗Conclusion〓〖WTBZ〗Contrast quantity and injection velocity may be decreased, but the imaging should still be clear.

Key words: Tomography, X-ray computed, Coronary, Contrast

CLC Number: 

  • R144.1
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