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Estimating kidney function during urography. Comparison of contrast medium clearance and simultaneous 51Cr-EDTA
S Sjöberg1, S Hellsten, T Almén
1Department of Experimental Research, Malmö Allmänna Sjukhus, University of Lund, Sweden.
Acta Radiologica (Stockholm, Sweden : 1987)
|September 1, 1987
Abstract:
Blood samples were taken from 21 subjects at 2 to 4 hours after simultaneous injection of contrast medium (metrizoate) for urography and 51Cr-EDTA. Clearance calculations were performed using the single injection (single slope) technique. The plasma concentrations of 51Cr-EDTA and contrast medium were measured by gamma counting and X-ray fluorescence analysis, respectively. A good correlation was found between the clearance of 51Cr-EDTA and clearance of contrast medium (r = 0.94).