Table 2.
Complete results for maximum achievable IDR vs injection system vs contrast media vs catheter gauge: values represent the average of three trials for each combination of contrast media, injection system, and catheter gauge
| Catheter gauge | Contrast media | Concentration (mgI/mL) | Maximum iodine delivery rate (gI/s) | |||
|---|---|---|---|---|---|---|
| Centargo | Stellant MP | CT motion | CT Exprès | |||
| 18G | Iopromide | 300 | 3.00 | 3.00 | 2.70 | 1.59 |
| Iodixanol | 320 | 2.27 | 2.18 | 2.02 | 1.18 | |
| Iohexol | 350 | 2.91 | 2.77 | 2.49 | 1.40 | |
| Iopromide | 370 | 3.15 | 3.07 | 2.70 | 1.63 | |
| Iomeprol | 400 | 2.48 | 2.40 | 2.14 | 1.32 | |
| 20G | Iopromide | 300 | 2.70 | 2.61 | 2.12 | 1.38 |
| Iodixanol | 320 | 1.76 | 1.66 | 1.54 | 1.00 | |
| Iohexol | 350 | 2.21 | 2.07 | 1.89 | 1.18 | |
| Iopromide | 370 | 2.41 | 2.29 | 1.92 | 1.37 | |
| Iomeprol | 400 | 2.10 | 2.02 | 1.80 | 1.09 | |
| 22G | Iopromide | 300 | 1.65 | 1.56 | 1.26 | 0.99 |
| Iodixanol | 320 | 1.12 | 1.02 | 0.78 | 0.66 | |
| Iohexol | 350 | 1.37 | 1.16 | 0.98 | 0.81 | |
| Iopromide | 370 | 1.48 | 1.41 | 1.13 | 0.83 | |
| Iomeprol | 400 | 1.28 | 1.16 | 0.88 | 0.74 | |
IDR, iodine delivery rate.