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[Clinical study of iohexol in excretory urography].

Excretory urography was performed using iohexol (Omnipaque 300 and Omnipaque 350) on 388 patients requiring urography in the Department of Urology, Nagoya University School of Medicine and 10 affiliated hospitals. Adverse reactions were observed in 3 cases (0.8%), but they were all mild. Good image efficacy was obtained in more than 95% of the patients injected 20 ml, 40 ml, and 100 ml of Omnipaque 300 and 40 ml of Omnipaque 350. There was no difference in the results of image efficacy between 40 ml (Omnipaque 300) and 100 ml (Omnipaque 300) groups. Therefore, the use of 40 ml of Omnipaque 300 for excretory urography was considered to be a very useful screening method for the urinary tract.