Table 3.
Ultrasound assessment of extra- and intracranial macrocirculation.
| Variable | Right | Left |
|---|---|---|
| Extracranial circulation | ||
| CCA-Dsys, cm (mean, SD) | 0.68 (0.09) | 0.65 (0.10) |
| CCA-Ddia, cm (mean, SD) | 0.65 (0.09) | 0.62 (0.09) |
| CCA-Dmean, cm (mean, SD) | 0.66 (0.09) | 0.63 (0.10) |
| CCA-PSV, cm/sec (mean, SD) | 38.9 (9.6) | 40.7 (8.7) |
| CCA-EDV, cm/sec (mean, SD) | 7.3 (3.8) | 9.0 (3.9) |
| CCA-MFV, cm/sec (mean, SD) | 17.8 (5.1) | 19.6 (5.2) |
| ICA-PSV, cm/sec (mean, SD) | 53.7 (18.0) | 55.2 (12.5) |
| ICA-EDV, cm/sec (mean, SD) | 16.0 (8.6) | 15.0 (6.6) |
| ICA-MFV, cm/sec (mean, SD) | 28.6 (9.9) | 28.3 (7.8) |
| CCA-IMTmean, mm (mean, SD) | 0.8 (0.2) | 0.9 (0.2) |
|
| ||
| Intracranial circulation | ||
| MCA-MFV, cm/sec (mean, SD) | 35.4 (10.5) | 35.6 (12.0) |
| MCA PI (mean, SD) | 1.15 (0.25) | 1.13 (0.24) |
CCA-Dsys: (CCA diameter, peak-systolic), CCA-Ddia: (CCA diameter, end-diastolic), CCA-Dmean: (CCA diameter mean), CCA-PSV: (CCA peak-systolic flow velocity, CCA-EDV: (CCA end-diastolic flow velocity, CCA-MFV: (CCA mean-flow velocity), ICA-PSV: (ICA peak-systolic flow velocity), ICA-EDV: (ICA end-diastolic flow velocity), ICA-MFV: (ICA mean-flow velocity), MCA-MFV: (MCA mean-flow velocity), MCA PI: (MCA pulsatility index).