Comparison of pre- and postprocedural Doppler flow parameters of ICA and CCA
| Preprocedural Doppler Flow | Postprocedural Doppler Flow | P Value | |
|---|---|---|---|
| ICA PSV (cm/s) | 290 ± 57 | 77 ± 24 | <.001 |
| ICA EDV (cm/s) | 109 ± 31 | 34 ± 10 | <.001 |
| ICA-CCA ratio | 4.0 ± 2.1 | 1.4 ± 0.9 | <.001 |
| CCA PSV (cm/s) | 121 ± 41 | 107 ± 15 | .098 |
| CCA EDV (cm/s) | 31 ± 11 | 28 ± 7 | .441 |
| CCA RI | 0.75 ± 0.38 | 0.77 ± 0.38 | .631 |
Note:—RI indicates resistive index.