Flow effects in localized quadratic, partial fourier MRA

James G. Pipe

doi:10.1002/(SICI)1522-2594(199902)41:2<309::AID-MRM14>3.0.CO;2-D

Flow effects in localized quadratic, partial fourier MRA

James G. Pipe

Radiology

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A pulse sequence for inflow-enhanced magnetic resonance angiography, including localized quadratic encoding, partial-Fourier slice selection, and spiral in-plane encoding, is analyzed. The through-plane encoding method is discussed in a space-spatial frequency context to illustrate some of its properties. This pulse sequence has the advantages of being faster and more robust to turbulent flow than conventional inflow-enhanced methods. Simulations show the effect of different parameters on the modulation- transfer function of the resulting images. A flow phantom is used to verify some of the simulation results.

Original language	English (US)
Pages (from-to)	309-314
Number of pages	6
Journal	Magnetic Resonance in Medicine
Volume	41
Issue number	2
DOIs	https://doi.org/10.1002/(SICI)1522-2594(199902)41:2<309::AID-MRM14>3.0.CO;2-D
State	Published - 1999

Keywords

Magnetic resonance angiography
Partial Fourier
Pulse sequences
RF pulses

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging

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10.1002/(SICI)1522-2594(199902)41:2<309::AID-MRM14>3.0.CO;2-D

Cite this

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abstract = "A pulse sequence for inflow-enhanced magnetic resonance angiography, including localized quadratic encoding, partial-Fourier slice selection, and spiral in-plane encoding, is analyzed. The through-plane encoding method is discussed in a space-spatial frequency context to illustrate some of its properties. This pulse sequence has the advantages of being faster and more robust to turbulent flow than conventional inflow-enhanced methods. Simulations show the effect of different parameters on the modulation- transfer function of the resulting images. A flow phantom is used to verify some of the simulation results.",

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AB - A pulse sequence for inflow-enhanced magnetic resonance angiography, including localized quadratic encoding, partial-Fourier slice selection, and spiral in-plane encoding, is analyzed. The through-plane encoding method is discussed in a space-spatial frequency context to illustrate some of its properties. This pulse sequence has the advantages of being faster and more robust to turbulent flow than conventional inflow-enhanced methods. Simulations show the effect of different parameters on the modulation- transfer function of the resulting images. A flow phantom is used to verify some of the simulation results.

KW - Magnetic resonance angiography

KW - Partial Fourier

KW - Pulse sequences

KW - RF pulses

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Flow effects in localized quadratic, partial fourier MRA

Abstract

Keywords

ASJC Scopus subject areas

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