Results of carotid duplex sonography before and after embolization of dural AVF
| Group | Before Treatment | After Treatment | P Value |
|---|---|---|---|
| Occluded (n = 7) | |||
| RI | 0.56 ± 0.18 | 0.81 ± 0.08 | .01 |
| EDV (cm/s) | 53 ± 28 | 15 ± 6 | .016 |
| PSV (cm/s) | 110 ± 26 | 78 ± 18 | .084 |
| Flow (mL/min) | 374 ± 230 | 141 ± 38 | .053 |
| Partial treatment (n = 6) | |||
| RI | 0.57 ± 0.11 | 0.69 ± 0.09 | .11 |
| EDV (cm/s) | 44 ± 23 | 29 ± 19 | .16 |
| PSV (cm/s) | 121 ± 55 | 91 ± 30 | .11 |
| Flow (mL/min) | 563 ± 392 | 283 ± 228 | .096 |