Table 1.
Clinical data and flow measurements divided into diagnosis groups
| TBI | SAH | Meningitis | Othera | All individuals | |
|---|---|---|---|---|---|
| n | 15 | 11 | 5 | 6 | 37 |
| Age (years) | 44 ± 14 | 57 ± 8 | 52 ± 10 | 54 ± 16 | 50 ± 14 |
| Sex (M/F) | 14 M/1 F | 4 M/7 F | 3 M/2 F | 3 M/3 F | 24 M/13 F |
| ICPmean (mmHg) | 8 ± 9 | 9 ± 7 | 11 ± 11 | 10 ± 7 | 9 ± 7 |
| MAP (mmHg) | 84 ± 11 | 94 ± 14 | 90 ± 14 | 92 ± 6 | 89 ± 13 |
| CPP (mmHg) | 75 ± 12 | 85 ± 15 | 79 ± 17 | 82 ± 11 | 80 ± 14 |
| CBF (ml/min) | 981 ± 295 | 990 ± 224 | 1035 ± 271 | 1014 ± 419 | 996 ± 298 |
| IJVflow (ml/min) | 665 ± 233 | 671 ± 256 | 541 ± 228 | 812 ± 388 | 674 ± 280 |
| IJVarea (cm2) | 0.90 ± 0.44 | 1.13 ± 0.52 | 1.18 ± 0.71 | 1.02 ± 0.46 | 1.02 ± 0.52 |
| VPI | 52 ± 16 | 59 ± 13 | 58 ± 19 | 52 ± 10 | 55 ± 15 |
Data are given in mean ± SEM
CBF cerebral blood flow, CPP cerebral perfusion pressure, ICPmean mean intracranial pressure, IJVarea the combined area of the internal jugular veins, IJVflow flow through the internal jugular veins, MAP mean arterial pressure, SAH subarachnoid hemorrhage, TBI traumatic brain injury, VPI venous pulsatile index
aOther include one multiple cerebral arterial emboli, two intracerebral hemorrhage, two hydrocephalus and one meningioma