Carotid bifurcation: Evaluation of time-resolved three-dimensional contrast-enhanced MR angiography

T. J. Carroll; F. R. Korosec; G. M. Petermann; T. M. Grist; P. A. Turski

doi:10.1148/radiology.220.2.r01au43525

Carotid bifurcation: Evaluation of time-resolved three-dimensional contrast-enhanced MR angiography

T. J. Carroll^*, F. R. Korosec, G. M. Petermann, T. M. Grist, P. A. Turski

^*Corresponding author for this work

Biomedical Engineering

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

42 Scopus citations

Abstract

A magnetic resonance (MR) angiographic protocol was evaluated in the carotid bifurcation with use of a pulse sequence for time-resolved three-dimensional imaging of contrast material kinetics. The enhancement ratio, a quantitative measure of contrast enhancement, indicated that all studies included an image obtained near the peak of the intraarterial concentration of contrast agent (enhancement ratio, 90% ± 9 [standard deviation]). Studies acquired at a higher frame rate (4.1-4.9 seconds) exhibited less venous enhancement (enhancement ratio, 25% ± 16) than studies acquired with slower (6.0-9.6-second) frame rates (enhancement ratio, 46% ± 25).

Original language	English (US)
Pages (from-to)	525-532
Number of pages	8
Journal	Radiology
Volume	220
Issue number	2
DOIs	https://doi.org/10.1148/radiology.220.2.r01au43525
State	Published - Jan 1 2001

Keywords

Carotid arteries, MR
Magnetic resonance (MR), technology

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging

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10.1148/radiology.220.2.r01au43525

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title = "Carotid bifurcation: Evaluation of time-resolved three-dimensional contrast-enhanced MR angiography",

abstract = "A magnetic resonance (MR) angiographic protocol was evaluated in the carotid bifurcation with use of a pulse sequence for time-resolved three-dimensional imaging of contrast material kinetics. The enhancement ratio, a quantitative measure of contrast enhancement, indicated that all studies included an image obtained near the peak of the intraarterial concentration of contrast agent (enhancement ratio, 90% ± 9 [standard deviation]). Studies acquired at a higher frame rate (4.1-4.9 seconds) exhibited less venous enhancement (enhancement ratio, 25% ± 16) than studies acquired with slower (6.0-9.6-second) frame rates (enhancement ratio, 46% ± 25).",

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