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• Clinical Article •
Contrast-enhanced 3.0 T MR imaging of coronary arteries: comparison of gadobenate dimeglumine and gadoxetic acid
GU ling-ling  LI Cheng  WANG Wei 

DOI:10.3969/j.issn.1674-8034.2012.01.009.


[Abstract] Objective: To compare the image quality and display of coronary artery segments between intravascular contrast agents gadobenate dimeglumine and extravascular contrast agents gadoxetic acid at 3.0 T contrast-enhanced whole-heart coronary magnetic resonance angiography (CE CMRA) prospectively.Materials and Methods: Thirty patients which complied with the requirements were randomly divided into Group A (15 cases, with intravascular contrast agents gadobenate dimeglumine) and Group B (15 cases, with the blood vessels contrast agents gadoxetic acid). All cases were underwent CE CMRA at 3.0 T MRI scanner. Statistical analysis was performed in signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR) and display of coronary artery segments.Results: CE CMRA was performed successfully in 30 cases. The SNR and CNR in Group A was 157.48±64.21 and 139.77±63.56, respectively. They were 71.56±33.21 and 50.75±29.71 in group B, respectively. The difference was significant (P=0.008, P=0.005). The difference was also found in the display of coronary artery segments between two groups, especially, between the distal of the circumflex segments (P=0.027).Conclusion: Gadobenate dimeglumine can provide better image quality than gadoxetic acid in CE CMRA.
[Keywords] Coronary artery；Magnetic resonance angiography；Contrast agents

GU ling-ling Department of Radiology, No.1 hospital of Yangzhou city, Yangzhou 225001, China

LI Cheng * Department of Radiology, No.1 hospital of Yangzhou city, Yangzhou 225001, China

WANG Wei Department of Radiology, No.1 hospital of Yangzhou city, Yangzhou 225001, China

*Correspondence to: Li C, E-mail: yzlicheng@vip.sina.com

Conflicts of interest   None.

Received  2011-12-03
Accepted  2012-01-04
DOI: 10.3969/j.issn.1674-8034.2012.01.009
DOI:10.3969/j.issn.1674-8034.2012.01.009.

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