Venous compression at high-spatial-resolution three-dimensional MR angiography of peripheral arteries.
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.
Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany. florian.vogt@uni-essen.de
Florian M
FM
Vogt
Waleed
W
Ajaj
Peter
P
Hunold
Christoph U
CU
Herborn
Harald H
HH
Quick
Jörg F
JF
Debatin
Stefan G
SG
Ruehm
D000328:Adult; D000368:Aged; D015901:Angiography, Digital Subtraction; D001158:Arteries; D003287:Contrast Media; D005240:Feasibility Studies; D005260:Female; D005263:Femoral Artery / Q000473:pathology; D005528:Foot / Q000098:blood supply; D006801:Humans; D007083:Iliac Artery / Q000473:pathology; D007089:Image Enhancement / Q000379:methods*; D021621:Imaging, Three-Dimensional / Q000379:methods*; D035002:Lower Extremity / Q000098:blood supply*; D018810:Magnetic Resonance Angiography / Q000379:methods*; D008297:Male; D008875:Middle Aged; D016491:Peripheral Vascular Diseases / Q000175:diagnosis; D011150:Popliteal Artery / Q000473:pathology; D011312:Pressure; D016909:Tibial Arteries / Q000473:pathology; D014680:Veins
D003287:Contrast Media