Adaptive vessel tracking: Automated computation of vessel trajectories for improved efficiency in 2D coronary MR angiography

Manojkumar Saranathan; Vincent B. Ho; Maureen N. Hood; Thomas K F Foo; Christopher J. Hardy

doi:10.1002/jmri.1196

Adaptive vessel tracking: Automated computation of vessel trajectories for improved efficiency in 2D coronary MR angiography

Manojkumar Saranathan, Vincent B. Ho, Maureen N. Hood, Thomas K F Foo, Christopher J. Hardy

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

12 Scopus citations

Abstract

A new method was investigated for improving the efficiency of ECG-gated coronary magnetic resonance angiography (CMRA) by accurate, automated tracking of the vessel motion over the cardiac cycle. Vessel tracking was implemented on a spiral gradient-echo pulse sequence with sub-millimeter in-plane spatial resolution as well as high image signal to noise ratio. Breath hold 2D CMRA was performed in 18 healthy adult subjects (mean age 46±14 years). Imaging efficiency, defined as the percentage of the slices where more than 30 mm of the vessel is visualized, was computed in multi-slice spiral scans with and without vessel tracking. There was a significant improvement in the efficiency of the vessel tracking sequence compared to the multi-slice sequence (56% vs. 32%, P

Original language	English (US)
Pages (from-to)	368-373
Number of pages	6
Journal	Journal of Magnetic Resonance Imaging
Volume	14
Issue number	4
DOIs	https://doi.org/10.1002/jmri.1196
State	Published - 2001
Externally published	Yes

Keywords

CMRA
Multi-slice
Spiral imaging
Vessel tracking

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging
Radiological and Ultrasound Technology

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10.1002/jmri.1196

Cite this

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title = "Adaptive vessel tracking: Automated computation of vessel trajectories for improved efficiency in 2D coronary MR angiography",

abstract = "A new method was investigated for improving the efficiency of ECG-gated coronary magnetic resonance angiography (CMRA) by accurate, automated tracking of the vessel motion over the cardiac cycle. Vessel tracking was implemented on a spiral gradient-echo pulse sequence with sub-millimeter in-plane spatial resolution as well as high image signal to noise ratio. Breath hold 2D CMRA was performed in 18 healthy adult subjects (mean age 46±14 years). Imaging efficiency, defined as the percentage of the slices where more than 30 mm of the vessel is visualized, was computed in multi-slice spiral scans with and without vessel tracking. There was a significant improvement in the efficiency of the vessel tracking sequence compared to the multi-slice sequence (56% vs. 32%, P ",

keywords = "CMRA, Multi-slice, Spiral imaging, Vessel tracking",

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year = "2001",

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AU - Saranathan, Manojkumar

AU - Ho, Vincent B.

AU - Hood, Maureen N.

AU - Foo, Thomas K F

AU - Hardy, Christopher J.

PY - 2001

Y1 - 2001

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AB - A new method was investigated for improving the efficiency of ECG-gated coronary magnetic resonance angiography (CMRA) by accurate, automated tracking of the vessel motion over the cardiac cycle. Vessel tracking was implemented on a spiral gradient-echo pulse sequence with sub-millimeter in-plane spatial resolution as well as high image signal to noise ratio. Breath hold 2D CMRA was performed in 18 healthy adult subjects (mean age 46±14 years). Imaging efficiency, defined as the percentage of the slices where more than 30 mm of the vessel is visualized, was computed in multi-slice spiral scans with and without vessel tracking. There was a significant improvement in the efficiency of the vessel tracking sequence compared to the multi-slice sequence (56% vs. 32%, P

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Adaptive vessel tracking: Automated computation of vessel trajectories for improved efficiency in 2D coronary MR angiography

Abstract

Keywords

ASJC Scopus subject areas

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