Comparison of Several Studies of Contrast Agents and Interference in Radioiodide Thyroid Uptake
| Reference | Contrast media | Means of administration | Time to return to normal |
|---|---|---|---|
| Rogers and Robbins (21) | Iodipamide | Intravenous | Average 90 d in 4 euthyroid persons |
| Slingerland (22) | Iopanoic acid | Oral | 7 d in 1 hyperthyroid person |
| Newman and Cupp (23) | Iodalphionic acid | Oral | 30 d in 10 euthyroid persons |
| Clark and Shipley (24) | Iopanoic acid | Oral | 60 d in 74 euthyroid persons |
| Ogden and Sheline (20) | Diatrizoate meglumine | Intravenous | 4 d in 19 euthyroid persons |
| Iopanoic acid | Oral | 58 d in 6 euthyroid persons | |
| Jaffiol et al. (25) | Ioxaglate meglumine | Intravenous | 30 d in 10 euthyroid persons |
| This study | Diatrizoate meglumine (282 mg I/kg) | Intravenous | 15 d* |
| Diatrizoate meglumine (564 mg I/kg) | Intravenous | 15 d* | |
| Iohexol (300 mg I/kg) | Intravenous | 15 d* | |
| Iohexol (600 mg I/kg) | Intravenous | 21 d* |
↵* In 5 euthyroid rats.