Assessment of Improved Motion-Sensitized Driven Equilibrium (iMSDE) for Multi-contrast Vessel Wall Screening

被引：13
作者：
Obara, Makoto [1 ,2 ]
Van Cauteren, Marc [3 ]
Honda, Masatoshi [1 ]
Imai, Yutaka [4 ]
Kuroda, Kagayaki [2 ]
机构：
[1] Philips Elect Japan Ltd, Minato Ku, Tokyo 1088507, Japan
[2] Tokai Univ, Grad Sch Sch Sci & Technol, Course Sci & Technol, Hiratsuka, Kanagawa 25912, Japan
[3] Philips Healthcare, N Ryde, NSW, Australia
[4] Tokai Univ, Sch Med, Dept Radiol, Hiratsuka, Kanagawa 25912, Japan
来源：
MAGNETIC RESONANCE IN MEDICAL SCIENCES | 2014年 / 13卷 / 02期
关键词：
black blood; MRI; MSDE; vessel wall imaging; CAROTID ATHEROSCLEROSIS; MAGNETIC-RESONANCE; PLAQUE; MRI; ASSOCIATION; SEQUENCE; EVENTS;
D O I：
10.2463/mrms.2013-0036
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Purpose: We assessed the improved motion-sensitized driven equilibrium (iMSDE) technique for multiple contrast 3-dimensional vessel wall imaging at 3T. Methods: Carotid images were obtained using iMSDE combined with turbo field echo (iMSDE-TFE) and conventional double inversion-recovery turbo spin-echo (DIR-TSE) in 5 healthy adult subjects. The tissue signal-to-noise efficiency (SNReff), SNR divided by the square root of scan time, lumen-tissue contrast-to-noise efficiency (CNReff), CNR divided by the square root of scan time, and tissue signal intensity ratio (SIR) were measured in both techniques and compared. Results: The iMSDE-TFE had higher SNReff and CNReff (P < 0.01) and strong correlation in SIR (R = 0.92) compared to DIR-TSE. Conclusion: The iMSDE-TFE sequence is an efficient technique for vessel wall screening.
引用
收藏
页码：139 / 144
页数：6
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