Table 2:
AVM data and CBF comparisons ipsilateral and contralateral to AVM
| Patient | Grade* | Shunt (%) | CBF (mL/100 g/min) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| CBFmean | BGips | BGcont | Thalips | Thalcont | GMips | GMcont | WMips | WMcont | |||
| 1 | 3 | 23.42 | 50.7 | 49.6 | 37.8 | 51.2 | 53.9 | 61.7 | 58.9 | 29.8 | 23.8 |
| 2 | 3 | 19.80 | 54.7 | 44.3 | 47 | 66.8 | 76.6 | 85.9 | 53.3 | 25.4 | 15.5 |
| 3 | 2 | 4.90 | 52.3 | 39.0 | 49.0 | 45.8 | 42.9 | 67.3 | 78.6 | 13.6 | 16.1 |
| 4 | 2 | 0.64 | 61.3 | 67.8 | 63.6 | 66.6 | 48.5 | 84.5 | 88.2 | 23.8 | 34.4 |
| 5 | 2 | 3.13 | 39.0 | 35.0 | 36.7 | 48.4 | 45.1 | 49.7 | 37.1 | 17.4 | 22.2 |
| 6 | 3 | 10.72 | 39.7 | 39.3 | 41.4 | 36.0 | 40.1 | 48.0 | 62.8 | 21.6 | 25.0 |
| 7 | 4 | 29.74 | 48.2 | 34.6 | 44.7 | 42.6 | 58.6 | 62.3 | 51.2 | 39.7 | 35.8 |
| Mean | 49.4 | 44.3 | 45.7 | 51.1 | 52.2 | 65.6 | 61.5 | 24.5 | 24.7 | ||
Note:—CBFmean indicates mean brain cerebral blood flow excluding AVM and associated structures; GM (WM), gray matter (white matter) blood flow averaged from regions of interest anterior and posterior to the AVM; Thal, thalamus; ips, ipsilateral; cont, contralateral.
*
Grade indicates total Spetzler-Martin grade (sum of scores for size, involvement of eloquent brain, and drainage pattern as listed in Table 1).