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Flow-induced distur...
Flow-induced disturbances in balanced steady-state free precession images: means to reduce or exploit them.
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- Lagerstrand, Kerstin M (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences
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Plewes, D B (författare)
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- Vikhoff-Baaz, Barbro (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences
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- Forssell-Aronsson, Eva, 1961 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences
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(creator_code:org_t)
- Wiley, 2009
- 2009
- Engelska.
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Ingår i: Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine. - : Wiley. - 1522-2594. ; 61:4, s. 893-8
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this work computer simulations and phantom measurements are presented that show the effect of flow on in-plane balanced steady-state free precession images. The images were studied for various flow velocities, excitation regions, relaxation times, RF-pulse angles, and off-resonance frequencies. The work shows that flow-induced disturbances are present in the images, but can be reduced by the application of inhomogeneous excitation regions. Also, a velocity quantification method that utilizes the disturbances was developed and proved to quantify flow velocities accurately. The work concluded that the flow-induced disturbances can be reduced to improve image quality, but can also be exploited to quantify the flow velocity.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Nyckelord
- Algorithms
- Animals
- Arteries
- physiology
- Artifacts
- Blood Flow Velocity
- physiology
- Computer Simulation
- Humans
- Image Interpretation
- Computer-Assisted
- methods
- Magnetic Resonance Imaging
- methods
- Models
- Cardiovascular
- Rheology
- methods
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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