TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY

Ella C. Kutter; Kevin W. Moser; John G. Georgiadis; H. Douglas Morris; Richard O. Buckius

doi:10.1115/IMECE1998-0986

TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY

Ella C. Kutter, Kevin W. Moser, John G. Georgiadis, H. Douglas Morris, Richard O. Buckius

Department of Radiology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Magnetic Resonance Imaging (MRI) is a non-invasive versatile tool for achieving full-field quantitative visualization. The MRI signal is a result of the interaction between radiofrequency (RF) pulses with nuclear spins exposed to a strong static magnetic field. The two main classes of techniques for MRI velocimetry are: spin-tagging techniques and phase contrast techniques. Spin-tagging techniques involve tagging and tracking a material volume of fluid. This allows a time-of-flight approach to the estimation of local velocity. Phase contrast is based on the difference in accumulated phase (time integral of angular frequency) in the signal arriving in the detector from moving and stationary spins exposed to magnetic field gradients. We compared velocity measurements with spin-tagging and phase contrast by probing the pressure-driven flow of water in a straight tube (Poiseuille flow). Profiles of the axial velocity along various cross sections were acquired for steady laminar flow with Reynolds numbers 170, 670, and 1000. Depending on the imaging sequence and Reynolds number, the velocity errors fell in the 0.5% - 3.2 % range.

Original language	English (US)
Title of host publication	Fluids Engineering
Publisher	American Society of Mechanical Engineers (ASME)
Pages	49-60
Number of pages	12
ISBN (Electronic)	9780791816059
DOIs	https://doi.org/10.1115/IMECE1998-0986
State	Published - 1998
Event	ASME 1998 International Mechanical Engineering Congress and Exposition, IMECE 1998 - Anaheim, United States Duration: Nov 15 1998 → Nov 20 1998

Publication series

Name	ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
Volume	1998-L

Conference

Conference	ASME 1998 International Mechanical Engineering Congress and Exposition, IMECE 1998
Country/Territory	United States
City	Anaheim
Period	11/15/98 → 11/20/98

All Science Journal Classification (ASJC) codes

Mechanical Engineering

Access to Document

10.1115/IMECE1998-0986

Cite this

Kutter, E. C., Moser, K. W., Georgiadis, J. G., Douglas Morris, H., & Buckius, R. O. (1998). TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY. In Fluids Engineering (pp. 49-60). (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE); Vol. 1998-L). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/IMECE1998-0986

@inproceedings{5637ae9082974d92a78ec6707d40ebf3,

title = "TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY",

abstract = "Magnetic Resonance Imaging (MRI) is a non-invasive versatile tool for achieving full-field quantitative visualization. The MRI signal is a result of the interaction between radiofrequency (RF) pulses with nuclear spins exposed to a strong static magnetic field. The two main classes of techniques for MRI velocimetry are: spin-tagging techniques and phase contrast techniques. Spin-tagging techniques involve tagging and tracking a material volume of fluid. This allows a time-of-flight approach to the estimation of local velocity. Phase contrast is based on the difference in accumulated phase (time integral of angular frequency) in the signal arriving in the detector from moving and stationary spins exposed to magnetic field gradients. We compared velocity measurements with spin-tagging and phase contrast by probing the pressure-driven flow of water in a straight tube (Poiseuille flow). Profiles of the axial velocity along various cross sections were acquired for steady laminar flow with Reynolds numbers 170, 670, and 1000. Depending on the imaging sequence and Reynolds number, the velocity errors fell in the 0.5% - 3.2 % range.",

author = "Kutter, {Ella C.} and Moser, {Kevin W.} and Georgiadis, {John G.} and {Douglas Morris}, H. and Buckius, {Richard O.}",

note = "Funding Information: This project is supported by the National Science Foundation under grant CTS-9521509, and by the National Institutes of Health NCRR. We are also grateful for the interaction with Dr. Kuniyasu Ogawa of the Research Center for Carbon Recycling & Utilization (Tokyo Institute of technology) during the earlier phases of this investigation. Publisher Copyright: {\textcopyright} 1998 American Society of Mechanical Engineers (ASME). All rights reserved.; ASME 1998 International Mechanical Engineering Congress and Exposition, IMECE 1998 ; Conference date: 15-11-1998 Through 20-11-1998",

year = "1998",

doi = "10.1115/IMECE1998-0986",

language = "English (US)",

series = "ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)",

publisher = "American Society of Mechanical Engineers (ASME)",

pages = "49--60",

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Kutter, EC, Moser, KW, Georgiadis, JG, Douglas Morris, H & Buckius, RO 1998, TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY. in Fluids Engineering. ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), vol. 1998-L, American Society of Mechanical Engineers (ASME), pp. 49-60, ASME 1998 International Mechanical Engineering Congress and Exposition, IMECE 1998, Anaheim, United States, 11/15/98. https://doi.org/10.1115/IMECE1998-0986

TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY. / Kutter, Ella C.; Moser, Kevin W.; Georgiadis, John G. et al.

Fluids Engineering. American Society of Mechanical Engineers (ASME), 1998. p. 49-60 (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE); Vol. 1998-L).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T1 - TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY

AU - Kutter, Ella C.

AU - Moser, Kevin W.

AU - Georgiadis, John G.

AU - Douglas Morris, H.

AU - Buckius, Richard O.

N1 - Funding Information: This project is supported by the National Science Foundation under grant CTS-9521509, and by the National Institutes of Health NCRR. We are also grateful for the interaction with Dr. Kuniyasu Ogawa of the Research Center for Carbon Recycling & Utilization (Tokyo Institute of technology) during the earlier phases of this investigation. Publisher Copyright: © 1998 American Society of Mechanical Engineers (ASME). All rights reserved.

PY - 1998

Y1 - 1998

N2 - Magnetic Resonance Imaging (MRI) is a non-invasive versatile tool for achieving full-field quantitative visualization. The MRI signal is a result of the interaction between radiofrequency (RF) pulses with nuclear spins exposed to a strong static magnetic field. The two main classes of techniques for MRI velocimetry are: spin-tagging techniques and phase contrast techniques. Spin-tagging techniques involve tagging and tracking a material volume of fluid. This allows a time-of-flight approach to the estimation of local velocity. Phase contrast is based on the difference in accumulated phase (time integral of angular frequency) in the signal arriving in the detector from moving and stationary spins exposed to magnetic field gradients. We compared velocity measurements with spin-tagging and phase contrast by probing the pressure-driven flow of water in a straight tube (Poiseuille flow). Profiles of the axial velocity along various cross sections were acquired for steady laminar flow with Reynolds numbers 170, 670, and 1000. Depending on the imaging sequence and Reynolds number, the velocity errors fell in the 0.5% - 3.2 % range.

AB - Magnetic Resonance Imaging (MRI) is a non-invasive versatile tool for achieving full-field quantitative visualization. The MRI signal is a result of the interaction between radiofrequency (RF) pulses with nuclear spins exposed to a strong static magnetic field. The two main classes of techniques for MRI velocimetry are: spin-tagging techniques and phase contrast techniques. Spin-tagging techniques involve tagging and tracking a material volume of fluid. This allows a time-of-flight approach to the estimation of local velocity. Phase contrast is based on the difference in accumulated phase (time integral of angular frequency) in the signal arriving in the detector from moving and stationary spins exposed to magnetic field gradients. We compared velocity measurements with spin-tagging and phase contrast by probing the pressure-driven flow of water in a straight tube (Poiseuille flow). Profiles of the axial velocity along various cross sections were acquired for steady laminar flow with Reynolds numbers 170, 670, and 1000. Depending on the imaging sequence and Reynolds number, the velocity errors fell in the 0.5% - 3.2 % range.

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M3 - Conference contribution

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T3 - ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)

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PB - American Society of Mechanical Engineers (ASME)

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ER -

TIME-OF-FLIGHT VS. PHASE CONTRAST TECHNIQUES FOR MRI VELOCIMETRY

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