Optimization of gadodiamide concentration for MR arthrography at 3 T.

Masi, Jeffrey N; Newitt, David; Sell, Christian A; Daldrup-Link, Heike; Steinbach, Lynne; Majumdar, Sharmila; Link, Thomas M · AJR Am J Roentgenol · 2005

basic_science · Level V

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Abstract

The purpose of our study was to determine the optimal concentration of a gadolinium-based contrast agent (gadodiamide) for direct MR arthrography at 3 T compared with 1.5 T in an in vitro study. Optimized concentrations of gadolinium-based contrast agents for MR arthrography are similar at 3 and 1.5 T, although a slightly greater dilution may be useful at 3 T. Signal-to-noise ratio peak levels are significantly reduced by adding an iodinated contrast agent, relatively significantly more at 3 T than at 1.5 T.

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