Vascular ICH etiologies identified by MDCTA
| Etiology | Retrospective Cohort (n = 91) | Prospective Cohort (n = 29) | All Patients (n = 120) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| AVM | 40 | 44 | 15 | 51.7 | 55 | 45.8 |
| Aneurysm | 21a | 23 | 5 | 17.2 | 26a | 21.7 |
| DVST | 17 | 18.7 | 3 | 10.3 | 20 | 16.7 |
| AVF | 8 | 8.8 | 3 | 10.3 | 11 | 9.2 |
| Vasculopathy | 3 | 3.3 | 1b | 3.5 | 4b | 3.3 |
| Moyamoya | 2 | 2.2 | 2 | 7 | 4 | 3.3 |
a Includes 3 pseudoaneurysms.
b Includes a patient in whom vasculitis led to pseudoaneurysm formation and rupture.