|
Classification |
Description | Notes |
| Type 1 | Inadequate fixation of end of stent to vessel wall | 1A: proximal, 1B: distal |
| Type 2 | Retrograde flow into aneurysm sac from branch vessels | Most common (20-30% patients) |
| Type 3 | mid-stent leak | Either failure of graft, or inadequate apposition of components |
| Type 4 | Oozing through graft material | Porosity of older graft material. No longer an issue |
| Type 5 | Endotension (unknown cause) | Diagnosis of exclusion |
Reference:
Bryce, Y., et al. (2015). “Endovascular Repair of Abdominal Aortic Aneurysms: Vascular Anatomy, Device Selection, Procedure, and Procedure-specific Complications.” Radiographics 35(2): 593-615.