Clinical Study
Cerebral Blood Flow Dynamics and Head-of-Bed Changes in the Setting of Subarachnoid Hemorrhage
Table 2
Average blood flow velocities and percentage changes in each vascular distribution.
(a) |
| Average velocity (cm/s) | Day 3 | Day 7 | Day 10 |
Supine |
Upright |
Supine |
Upright |
Supine |
Upright |
| MCA | 79 | 73 | 111 | 106 | 90 | 92 | SD | 56 | 41 | 49 | 46 | 46 | 52 | ACA | 69 | 72 | 72 | 62 | 56 | 68 | SD | 42 | 46 | 23 | 23 | 26 | 39 | PCA | 70 | 75 | 59 | 68 | 67 | 72 |
|
|
(b) |
| Percentage changes from supine to upright (%) | Day 3 | Day 7 | Day 10 |
| MCA | 0.9 | ā3.2 | 1.0 | ACA | 11.1 | ā9.2 | 24.2 | PCA | 12.9 | 11.3 | 14.6 |
|
|