According to DeBakey, thoracic aortic aneurysm can be classified as follows.
DeBakey | Description |
DeBakey I | Intimal (inner vessel wall) tear in the ascending aorta; ; spread distally to include the aortic arch or even the descending aorta |
DeBakey II | Intimal tear in the region of the ascending aorta; end of tear also in the region of the aorta asendens |
DeBakey III | Intimal tear in the descending aorta (descending aorta); spread usually distally:
|
Thoracic aortic aneurysm can also be classified according to Stanford
Stanford | Description |
Stanford A (80%) | Aortic dissection (splitting of the wall layers of the aorta) in the area of the ascending aorta (DeBakey I + II) |
Stanford B (20%) | Descending aortic dissection (DeBakely III). |