Abstract
2129 Comparison of 2D and multi-slab 3D magnetic resonance techniques for measuring carotid wall volumes
Highlights
Cardiovascular magnetic resonance (CMR) is widely used for vessel wall imaging, in the carotid artery
If 24 slices were to be acquired by both techniques, there would have been a 63% reduction in scan time with the 3D technique
IaFnsig1au0sr0teavno1dlaurndte2eDrs,teacmhnuiqltui-esl,awbi3thDamreadgnuecticonreinsosncaanncteimteechonf iuqpuetofo6r3m%easuring carotid artery wall volume performed as well In 100 volunteers, a multi-slab 3D magnetic resonance technique for measuring carotid artery wall volume performed as well as a standard 2D technique, with a reduction in scan time of up to 63%
Summary
Cardiovascular magnetic resonance (CMR) is widely used for vessel wall imaging, in the carotid artery. The arterial wall can be imaged at high resolution, and this methodology has been widely used, for example in studies of atherosclerotic plaque characterization and of plaque response to statin therapy. The major limitation is scan time, which can be over one hour, limiting applicability in large studies, and acceptability to patients. Each slice may take 1–2 minutes to acquire (depending on resolution), and numerous slices are required. A 3D multi-slab volume selective FSE sequence developed at our institution is faster. It has been validated in several technical studies, but not in a larger study of clinical performance
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