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DOI: 10.1148/radiol.2232010221
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(Radiology 2002;223:311-318.)
© RSNA, 2002

Are Gadolinium-based Contrast Media Really Safer than Iodinated Media for Digital Subtraction Angiography in Patients with Azotemia?1

Ulf Nyman, MD, PhD, Barbara Elmståhl, MD, Peter Leander, MD, PhD, Mats Nilsson, PhD, Klaes Golman, PhD and Torsten Almén, MD, PhD

1 From the Departments of Radiology (U.N., B.E., P.L., T.A.) and Radiation Physics (M.N.), University of Lund, Malmö University Hospital, Sweden, and Nycomed Innovation, Medeon, Malmö, Sweden (K.G.). Received December 28, 2000; revision requested March 2, 2001; revision received June 18; accepted July 12. Address correspondence to U.N., Röntgenavdelningen, Lasarettet, SE-231 85 Trelleborg, Sweden (e-mail: ulf.nyman@skane.se).



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  		Graph shows the relative number of photons in an 80-kV polychromatic x-ray spectrum in relation to the attenuation of iodine and gadolinium measured in barns per atom at different photon energies.

 




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