Table 3 Morphological changes of spontaneous isolated superior mesenteric artery dissection patients and follow-up results.
| Classification | Patients no. (conservative) | Aneurysmal change | Remodeling* | Follow-up results | |
|---|---|---|---|---|---|
| Type I | 6 | 0 | 0 | Alive | 6 |
| Type II | 4 | 0 | 1 | Alive | 4 |
| Type III | 5 | 0 | 4 | Alive | 5 |
| Type IV | 11 | 0 | 10 | Alive | 10 |
| Pneumonia | 1 | ||||
| Type V | 1 | 0 | 0 | Alive | 1 |
Remodeling: dissections disappeared completely. Type II 1 patient and type VI 2 patients were performed invasive treatments, and were excluded from this table.