Comparison of tri-iodoisophthaldiamide with meglumine lothalamate in phlebography of the leg

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Abstract
One hundred patients were examined by ascending phlebography of both legs in a prospective, double-blind, within-patient study. Each leg was randomly allocated to the examination using either lopamidol 61% as the contrast medium. Immediate side effects were recorded in all patients, and delayed effects in 46 patients. Statistical analysis using the chi-square test showed that lopamidol produced significantly less immediate and delayed pain in the foot and the leg than Conray. Iopamidol produced significantly less nausea and vomiting during the injection than Conray. There was no significant difference in the quality of the phlebograms with either of contrast medium.