Results and conclusions of included studies for vessel healing
| Study (authors) | Patients (n) | Grade of injury | Fully healed by treatment | ||
| None* | Antiplatelet | Heparin | |||
| Biffl et al24 | 31 | I | 12/23 | – | 12/18 |
| 10 | I | 1/10 | – | 0/0 | |
| 13 | III | 1/13 | – | 0/0 | |
| 0 | IV | 0/0 | – | 0/0 | |
| Wagenaar et al10 | 790 | I | 30/142 | 162/648 | |
| Biffl et al7 | 93 | I | 12/24 | 12/24 | 28/45 |
| 37 | II | 0/7 | 3/30 | ||
| 30 | III | 0/8 | 1/22 | ||
| 11 | IV | 1/4 | 0/7 | ||
*No treatment often due to contraindications to coagulation or planned withdrawal of care.