Table 1.
Cartesian 4D flow | Spiral 4D flow | |||||||
---|---|---|---|---|---|---|---|---|
Flow | Area | Vavg | Vpeak | Flow | Area | Vavg | Vpeak | |
Hepatic artery (n=6) | 3.5 ±1.4 | 0.53 ±0.10 | 6.7 ±2.8 | 20.1 ±8.3 | 4.1 ±1.7 | 0.48 ±0.10 | 8.3 ±3.2 | 29.4 ±14.4 |
Celiac axis (n=8) | 7.2 ±3.0 | 0.56 ±0.10 | 12.9 ±5.2 | 48.6 ±25.8 | 5.8 ±3.8 | 0.46 ±0.11 | 13.5 ±8.4 | 51.2 ±33.2 |
Splenic artery (n=10) | 5.1 ±4.4 | 0.57 ±0.13 | 8.5 ±6.4 | 29.2 ±27.5 | 4.7 ±3.1 | 0.38 ±0.07 | 12.0 ±5.9 | 34.7 ±15.6 |
SMA (n=9) | 6.5 ±4.4 | 0.63 ±0.15 | 9.8 ±4.3 | 56.6 ±28.7 | 4.9 ±2.2 | 0.45 ±0.08 | 11.1 ±3.7 | 53.2 ±24.2 |
Right renal artery (n=7) | 7.1 ±2.2 | 0.56 ±0.12 | 12.8 ±3.8 | 40.6 ±13.5 | 5.0 ±1.8 | 0.46 ±0.07 | 10.7 ±2.5 | 30.6 ±5.9 |
Left renal artery (n=9) | 6.0 ±1.6 | 0.55 ±0.10 | 11.0 ±2.8 | 38.5 ±14.6 | 5.7 ±2.2 | 0.47 ±0.08 | 12.1 ±3.3 | 31.1 ±9.6 |
Aorta above celiac (n=8) | 55.4 ±20.6 | 2.80 ±0.85 | 19.7 ±5.6 | 74.4 ±21.1 | 47.5 ±19.3 | 3.00 ±0.83 | 16.4 ±5.9 | 68.3 ±23.8 |
Aorta below renal (n=9) | 21.9 ±9.8 | 1.71 ±0.46 | 12.7 ±5.5 | 67.1 ±21.3 | 18.5 ±8.1 | 1.71 ±0.28 | 11.4 ±5.1 | 65.4 ±21.7 |
Portal vein (n=10) | 10.6 ±6.1 | 1.28 ±0.54 | 8.1 ±2.7 | 15.5 ±4.1 | 8.8 ±4.1 | 1.13 ±0.45 | 7.8 ±1.8 | 15.4 ±3.0 |
SMV (n=6) | 5.0 ±2.4 | 0.83 ±0.17 | 5.9 ±1.8 | 11.6 ±2.8 | 4.1 ±2.5 | 0.80 ±0.36 | 5.1 ±1.0 | 12.0 ±1.9 |
Splenic vein (n=9) | 4.5 ±2.4 | 0.70 ±0.24 | 6.4 ±2.1 | 13.5 ±4.6 | 4.0 ±1.6 | 0.50 ±0.16 | 7.1 ±2.2 | 14.5 ±4.3 |
IVC above renal (n=9) | 37.5 ±14.1 | 2.71 ±1.30 | 15.8 ±6.4 | 39.7 ±20.4 | 28.4 ±10.1 | 2.47 ±1.22 | 16.8 ±10.1 | 36.4 ±14.6 |
IVC below renal (n=9) | 18.6 ±7.4 | 1.91 ±0.91 | 10.4 ±3.4 | 24.3 ±6.3 | 13.5 ±7.7 | 1.66 ±0.79 | 8.6 ±4.3 | 21.3 ±6.7 |
Right HV (n=6) | 7.2 ±3.8 | 0.94 ±0.35 | 7.2 ±1.6 | 21.4 ±11.3 | 4.2 ±1.9 | 0.68 ±0.20 | 6.2 ±2.7 | 17.3 ±6.2 |
Middle HV (n=4) | 7.0 ±2.7 | 0.76 ±0.09 | 9.2 ±3.4 | 27.9 ±16.0 | 3.2 ±1.1 | 0.55 ±9.33 | 5.9 ±1.9 | 21.7 ±10.8 |
Left HV (n=4) | 4.7 ±1.4 | 0.68 ±0.13 | 7.2 ±3.0 | 28.8 ±10.2 | 3.4 ±1.4 | 0.58 ±0.10 | 6.2 ±2.8 | 24.9 ±12.9 |
Left renal vein (n=7) | 7.7 ±1.7 | 0.94 ±0.19 | 8.3 ±1.8 | 18.3 ±5.7 | 6.6 ±3.3 | 1.00 ±0.60 | 7.0 ±2.3 | 18.1 ±5.6 |
Right renal vein (n=6) | 6.0 ±1.3 | 0.82 ±0.18 | 7.5 ±2.1 | 15.3 ±5.0 | 4.1 ±1.0 | 0.71 ±0.18 | 6.2 ±2.6 | 14.4 ±5.8 |
Cine 2D phase contrast | ||||||||
Portal Vein (n=10) | 8.6 ±2.7 | 1.87 ±0.45 | 4.7 ±1.4 | 7.3 ±1.8 |
Area: time-averaged vessel area in cm2; Flow: time-averaged total flow in mL/s; HV: hepatic vein; IVC: inferior vena cava; SMA: superior mesenteric artery; SMV: superior mesenteric vein; Vavg: time-averaged through-plane velocity in cm/s; Vpeak: peak through-plane velocity in cm/s.