Peripheral magnetic resonance angiography (MRA) with continuous table movement at 3.0 T: initial experience compared with step-by-step MRA

Investigative Radiology
Harald KramerKarin A Herrmann

Abstract

To compare a standard step-by-step and a newly developed continuous table movement (CTM) technique for peripheral magnetic resonance angiography (MRA) at a 3.0-Tesla MR system equipped with a matrix coil system. We included 14 consecutive patients referred for peripheral MRA with clinical symptoms of peripheral arterial occlusive disease Fontaines stages II-IV. All of them underwent both step-by-step MRA and CTM-MRA in one session. Patients with impaired renal function (calculated glomerular filtration rate <30 mL/min) were not included. All examinations were performed on a 3.0-Tesla MR system. Maximal contrast agent volume was 31.5 mL (1.5 mL testbolus, 15 mL/MRA technique). For both techniques the same biphasic CA injection protocol was used, first 8 mL were injected at a flow rate of 1.5 mL/s directly followed by 7 mL at 0.8 mL/s again followed by 25 mL of saline also at 0.8 mL/s. Spatial resolution of the CTM-MRA datasets was technically limited to 1.2 mm(3), step-by-step MRA reached 1.4 x 1.1 x 1.2 mm(3) in the abdominal station, 0.9 x 0.9 x 0.9 mm(3) in the most distal calf station. First CTM-MRA datasets were read and findings thereafter correlated with the step-by-step MRA datasets. Examination time of both examinations...Continue Reading

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Citations

Apr 27, 2011·Japanese Journal of Radiology·Susumu MoriyaMitsunori Ishikawa
Oct 26, 2010·European Radiology·M VothH J Michaely
Nov 23, 2013·AJR. American Journal of Roentgenology·Jan HansmannUlrike I Attenberger
Jun 1, 2010·Topics in Magnetic Resonance Imaging : TMRI·James F M MeaneyPeter Beddy
Apr 13, 2010·Investigative Radiology·Val M Runge
Nov 13, 2008·Investigative Radiology·Val M Runge
May 29, 2013·Journal of Magnetic Resonance Imaging : JMRI·John N MorelliUlrike I Attenberger
Jul 31, 2012·Acta Radiologica·Yousef W Nielsen, Henrik S Thomsen

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