Toshiba Medical Systems (Tokyo, Japan) has introduced V-TRACE, as an exclusive MRA sequence available on all Vantage Titan and Vantage Atlas MR systems. "The ability of Toshiba's V-TRACE MRA sequence to image four contrasts in one sequence allows for greater visualization of blood vessels in the brain, particularly collateral vessels that can be difficult to see with standard MRA sequences,” said Doug Ryan, vice president, marketing and strategic development, Toshiba. "This new sequence allows hospitals to improve workflow and patient care by saving time during MRA imaging.”
V-TRACE MRA is a dual-echo three-dimensional (3D) field-echo (FE) sequence in which the first echo is acquired using time-of-flight (TOF) and the second echo is acquired using flow-sensitive black blood (FSBB). The sequence combines the advantages of both techniques to produce MRA images that depict blood vessels with both high and low velocity. The sequence design reduces the specific absorption rate (SAR), which is a measurement of heat generated to the body during a MRI. Moreover, the TOF data can be used to evaluate the brain parenchyma. The images produced by the V-TRACE sequence improve the speed and accuracy of diagnosis.
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