Table 1.
Inclusion | Exclusion | |
---|---|---|
Controls | 1. Significant (>50%) intracranial stenosis | 1. Any infarct on FLAIR MRI 2. Significant (≥ 50%) vertebrobasilar arterial stenosis |
Non-CCD Infarct | 1. Significant (>50%) intracranial stenosis 2. Supratentorial infarct on FLAIR |
1. Significant (≥ 50%) vertebrobasilar arterial stenosis 2. Bilateral cerebral infarcts on FLAIR MRI 3. Acute or subacute infarct (<2 months) |
CCD Infarct | 1. Significant (>50%) intracranial stenosis 2. Supratentorial infarct on FLAIR 3. CBF asymmetry index outside 95% confidence interval of controls |
1. Significant (≥ 50%) vertebrobasilar arterial stenosis 2. Bilateral cerebral infarcts on FLAIR MRI 3. Acute or subacute infarct (<2 months) 4. Posterior fossa infarct 5. Non-stroke etiology for Wallerian degeneration |