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  • Title: Contrast agent nephrotoxicity: comparison of ionic and nonionic contrast agents.
    Author: Stacul F, Carraro M, Magnaldi S, Faccini L, Guarnieri G, Dalla Palma L.
    Journal: AJR Am J Roentgenol; 1987 Dec; 149(6):1287-9. PubMed ID: 2891285.
    Abstract:
    The effects on glomerular and proximal tubular function of an ionic contrast agent (sodium meglumine diatrizoate) and a nonionic agent (iopamidol) were compared in 34 patients with normal renal function. The patients received large doses (2.5 ml/kg body weight) of contrast material for IV digital subtraction angiography. Urine samples, collected before, immediately after, and on the first and third days after digital subtraction angiography, were analyzed for albumin, alanil-aminopeptidase, alpha-glucosidase, and beta-2-microglobulin. The changes noted were mild and of short duration with both contrast agents, despite the high dose given. These results suggest that, at least as far as renal toxicity is measured by these tests is concerned, ionic monomers can be safely used instead of more expensive nonionic media in procedures, such as digital subtraction angiography, that require high doses of contrast material.
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