ACZ Response Patterns to IC Occlusion
| Patient no. | Age (y) | Sex | ACZ response | Stenosis in nonoccluded IC | Collateral flow | Time of SPECT after onset (mo) | MRI findings | ||
|---|---|---|---|---|---|---|---|---|---|
| Occluded | Nonoccluded | ||||||||
| 1 | 51 | F | Delayed, L | Delayed | None | Good (ACOM, PCA, ECA) | 18 | Hemorrhage, L T | |
| 2 | 73 | M | Delayed, L | Near-normal | None | Good (ACOM, Oph) | 5 | Lacunas, L F, BG | |
| 3 | 71 | M | Delayed, R | Near-normal | None | Good (ACOM) | 60 | Lacuna, R BG | |
| 4 | 65 | M | Delayed, R | Near-normal | None | Good (ACOM) | 14 | Lacuna, R F | |
| 5 | 45 | M | Delayed, R | Delayed | None | Good (PCOM) | 54 | Lacuna, R CR | |
| 6 | 72 | M | Delayed, L | Delayed | None | Good (ACOM) | 2 | Leucoareosis, bil CR | |
| 7 | 30 | M | Delayed, R | Delayed | None | Good (ACOM) | 21 | Lacuna, R BG | |
| 8 | 87 | M | Delayed* | Near-normal | 50% | Fair (ACOM, PCOM) | 1 | Nothing particular | |
| 9 | 68 | M | Delayed, R | Near-normal | 50% | Good (ACOM, PCOM) | 36 | Infarction, R thal, T | |
↵* Steal at ACZ 7.5.
ACOM = anterior communicating artery; PCA = posterior cerebral artery; ECA = external carotid artery; T = temporal; Oph = ophthalmic artery; F = frontal; BG = basal ganglia; PCOM = posterior communicating artery; CR = corona radiata; bil = bilateral; thal = thalamus.