Table 2. MRI and PET Parameters in Infarct, Ischemia, and Non-Ischemia Areas.
| HyperO2ΔR1 (10-2 ms) |
ADC (10-4 mm2 s-1) |
18F-FDG Uptake |
CBF (mL/g/min) |
CBV (ms-1) |
||
|---|---|---|---|---|---|---|
| 2.5 H | ||||||
| Infarct | 4.6 ± 0.9 | 4.8 ± 1.5 | 2.9 ± 0.6 | 0.9 ± 0.2 | 34 ± 8 | |
| Ischemia | 2.7 ± 0.5 | 6.4 ± 1.5 | 2.3 ± 0.3 | 1.3 ± 0.4 | 44 ± 11 | |
| Non-ischemia | 1.9 ± 0.6 | 7.7 ± 1.7 | 2.0 ± 0.3 | 1.6 ± 0.7 | 45 ± 11 | |
| 4.5 H | ||||||
| Infarct | 4.7 ± 1.0 | 4.3 ± 1.1 | 1.7 ± 0.3 | 1.3 ± 0.5 | 43 ± 18 | |
| Ischemia | 2.5 ± 0.6 | 5.6 ± 0.8 | 2.0 ± 0.2 | 1.4 ± 0.5 | 44 ± 13 | |
| Non-ischemia | 1.6 ± 0.5 | 7.3 ± 0.5 | 2.0 ± 0.2 | 1.5 ± 0.5 | 44 ± 14 | |
| 6.5 H | ||||||
| Infarct | 4.1 ± 1.4 | 5.1 ± 0.7 | 1.8 ± 0.5 | 2.2 ± 1.4 | 64 ± 35 | |
| Ischemia | 2.1 ± 0.5 | 6.1 ± 0.8 | 2.0 ± 0.2 | 2.4 ± 1.1 | 53 ± 25 | |
| Non-ischemia | 1.9 ± 0.2 | 6.8 ± 0.9 | 2.0 ± 0.4 | 2.3 ± 1.1 | 65 ± 25 | |
Data are presented as mean ± standard deviation. ADC = apparent diffusion coefficient, CBF = cerebral blood flow, CBV = cerebral blood volume, FDG = fluorodeoxyglucose, HyperO2ΔR1 = hyperoxia-induced ΔR1