Table 1.
Data obtained.
| S&M grade | Method and extension of embolization (in % of total volume) | Measurement point (feeder deriving artery and draining vein, if accessible) | MBP*/MDP** mmHg (ratio) |
MFV*** cm/s |
|||
|---|---|---|---|---|---|---|---|
| Pre-op | Post-op | Pre-op | Post-op | ||||
| Pt 1 | II | Onyx, total | RMCA, M4 | 69/41 (1.68) | 72/74 (0.97) | 69 | 25 |
| Pt 2 | III | Histoacryl, embolization of 2 intranidal fistulas | LMCA, M3 | 68/46 (1.47) | 75/56 (1.34) | 45 | 19 |
| Cortical vein draining in the left sigmoid sinus | 15 | 14 | 19 | 22 | |||
| Pt 3 | II | Onyx, total, second stage following partial embolization | LPCA, P2, inf. Temporal a. | 70/64 (1.09) | 78/75 (1.04) | 38 | 15 |
| Left transverse sinus | 32 | 18 | 14 | 5 | |||
| Pt 4 | II | Onyx, partial, 50% | LMCA, M4 | 65/34 (1.91) | 70/26 (2.69) | 66 | 22 |
| Pt 5 | II | Onyx, partial, 60% | RMCA, M4 | 58/69 (0.84) | 69/80 (0.86) | 78 | 53 |
| Pt 6 Stage I | III | Onyx, partial, 40% | RMCA, M2 | 62/34 (1.82) | 76/71 (1.07) | 67 | 22 |
| Pt 6 Stage II | III | Onyx, partial, 75% | RMCA, M2 | 77/58 (1.33) | 61/52 (1.17) | 62 | 10 |
| Pt 7 Stage I | III | Onyx, partial, 60% | LMCA M3 | 74/57 (1.30) | 81/50 (1.6) | 91 | 45 |
| Pt 7 Stage II | III | Onyx, partial 80% | LMCA M3 | 93/65 (1.43) | 83/57 (1.45) | 81 | 35 |
| Pt 8 | II | Onyx subtotal | LMCA, M4 | 72/46 (1,56) | 79/39 (2,02) | 54 | 22 |
| Pt 9 | II | Onyx, partial 60% | LACA A2 | 80/78 (1.02) | 82/86 (0.95) | 108 | 74 |
| Cortical vein draining into the superior sagittal sinus (anterior 1/3) | 26 | 12 | 19 | 9 | |||
| Pt 10 | III | Onyx, partial 80%, second stage following partial embolization | RMCA M3 | 67/48 (1.39) | 69/54 (1.27) | 111 | 79 |
| Cortical vein draining into the superior sagittal sinus (middle 1/3) | 32 | 22 | 13 | 7 | |||
*
mean blood pressure (arterial line).
**
mean distal pressure (guidewire sensor).
***
mean flow velocity (guidewire sensor).