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

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  • OBARA Makoto
    Philips Electronics Japan Ltd., Healthcare Course of Science and Technology Graduate School of School of Science and Technology, Tokai University
  • VAN CAUTEREN Marc
    Philips Healthcare, Asia Pacific
  • HONDA Masatoshi
    Philips Electronics Japan Ltd., Healthcare
  • IMAI Yutaka
    Department of Radiology, Tokai University School of Medicine
  • KURODA Kagayaki
    Course of Science and Technology Graduate School of School of Science and Technology, Tokai University

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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.

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