Table 1 A comparison of vessel imaging methods [11, 13]
| Acquisition time (min) | Safety | Limitations | |
|---|---|---|---|
| MRI | 30 | No risk | Long imaging time. No vessel wall. Metal Prohibited |
| CT | 5 | Low risk | Radiation risk. Complication risk |
| DSA | 120 | Low risk | Radiation risk. Complication risk. Invasive |
| DUS | 15 | No risk | Limit resolution. Prohibited at wound sites |
| High-level user-dependent. Obstruction of gas and solid |