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Venous Compression at High-Spatial-Resolution Three-dimensional MR Angiography of Peripheral Arteries¹

¹ From the Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany (F.M.V., W.A., P.H., C.U.H., H.H.Q., J.F.D.); and Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, Calif (S.G.R.). Received August 27, 2003; revision requested November 6; revision received January 21, 2004; accepted March 2. Address correspondence to F.M.V. (e-mail: florian.vogt@uni-essen.de).

The aim of this study was to assess a venous compression technique that is performed with contrast material–enhanced peripheral magnetic resonance (MR) angiography to reduce venous enhancement. Healthy volunteers, as well as patients with correlating digital subtraction angiographic (DSA) findings, were examined. Venous compression was accomplished by placing a cuff at the midfemoral level unilaterally. Arterial signal-to-noise and contrast-to-noise ratios indicated no significant differences between compressed and noncompressed legs. Venous overlay was substantially reduced in the compressed legs. MR angiography with venous compression yielded diagnostic image quality and results that had excellent correlation with DSA findings. High-spatial-resolution peripheral MR angiography of improved diagnostic quality appears feasible, even with long data acquisition times.

© RSNA, 2004

Index terms: Arteries, stenosis or obstruction, 92.721 • Extremities, angiography, 92.122, 92.12942 • Extremities, MR, 92.12942 • Magnetic resonance (MR), vascular studies, 92.12942

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