Multi-slice MR data acquisition in successive heartbeats...

Details Multi-slice MR data acquisition in successive heartbeats... Multi-slice MR data acquisition in successive heartbeats...

2003-08-20

2008-08-12

Casler, Brian L. (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S410000, C600S419000, C600S420000

Reexamination Certificate

active

07412277

ABSTRACT:
The invention includes a technique for efficient multi-slice image acquisition with black blood contrast in cardiac imaging such that MR data is acquired in each R-R interval of a cardiac cycle. The technique includes applying a non-selective inversion pulse, followed by a re-inversion pulse that is slice-selective over a region encompassing a plurality of slice selections. The inversion and re-inversion pulses are applied in each R-R interval. Execution of a series of RF excitation pulses in each R-R interval is timed such that signal from blood is near a null point before data acquisition.

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patent: 2005/0010104 (2005-01-01), Fayad et al.
Song et al. Multislice Double Inversion Pulse Sequence for Efficient Black-Blood MRI. Magnetic Resonance in Medicine 47:616-620. 2002.
Parker et al. Improved Efficency in Double-Inversion Fast Spin-Echo Imaging. Magnetic Resonance in Medicine 47:1017-1021. May 2002.
Mani et al. A new interleaved multi-slice black blood double inversion recovery technique for vessel wall imaging. Proceedings of the Internation Society of Magnetic Resonance in Medicine. 11. Jul. 10, 2003.

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