Table 1. Contrast agent application protocols (group 1–4) for acquisition of gadoxetate disodium-enhanced MR images and characteristics of patients included in each group.
Protocol No. | Injection rate | Contrast dose | BMI | Nasal oxygen | Number of patients | Sex | Age | MRI indication |
---|---|---|---|---|---|---|---|---|
1 | 2 ml/sec | 0.025 mmol/kg (= 0.1ml/kg) |
27 (16–42) | no | 50 | male = 40 female = 10 |
mean 52y (26-75y) |
Cirrhosis (n = 12) PSC (n = 16) Tumor (n = 17) Other n = (5) |
2 | 2 ml/sec | fixed 10 ml | 24 (16–35) | no | 50 | male = 29 female = 21 |
mean 50y (19-84y) |
Cirrhosis (n = 10) PSC (n = 23) Tumor (n = 11) Other (n = 6) |
3 | 1 ml/sec | 0.025 mmol/kg (= 0.1ml/kg) |
27 (19–45) | no | 50 | male = 30 female = 20 |
mean 50y (19-73y) |
Cirrhosis (n = 10) PSC (n = 11) Tumor (n = 20) Other (n = 9) |
4 | 1ml /sec | 0.025 mmol/kg (= 0.1ml/kg) |
26 (16–46) | yes | 50 | male = 30 female = 20 |
mean 52y (18-79y) |
Cirrhosis (n = 11) PSC (n = 11) Tumor (n = 19) Other (n = 9) |
BMI = body mass index (mean, range in brackets); PSC = primary sclerosing cholangitis