Table 2:
Hemodynamic data immediately after CAS compared with pre-CAS values
| Doppler Values | Ipsilateral |
Contralateral |
||
|---|---|---|---|---|
| Pre-CAS | Post-CAS | Pre-CAS | Post-CAS | |
| MCA-MFV | 49.7 ± 16.8 | 62.5 ± 22.3** | 51.3 ± 16.9 | 53.4 ± 16.6 |
| MCA-PI | 0.85 ± 0.18 | 1.09 ± 0.20** | 0.99 ± 0.22 | 1.03 ± 0.22 |
| ACA-MFV | 50.7 ± 21.8 | 58.9 ± 23.0* | 63.7 ± 22.7 | 50.3 ± 18.3** |
| ACA-PI | 0.90 ± 0.22 | 1.08 ± 0.22** | 0.96 ± 0.27 | 1.04 ± 0.23* |
| PCA-MFV | 47.5 ± 21.0 | 36.5 ± 13.2** | 45.3 ± 15.3 | 38.6 ± 17.3** |
| PCA-PI | 1.01 ± 0.22 | 1.01 ± 0.21 | 1.00 ± 0.23 | 1.04 ± 0.22 |
Note:—CAS indicates carotid angioplasty stent placement; MCA, middle cerebral artery; MFV, mean flow velocity, cm/s; PI, pulsatility index; ACA, anterior cerebral artery; PCA, posterior cerebral artery.
*
P ≤ .05.
**
P < .01.