Status of VOL before and after venous sinus stenting
| Status of VOL | Total (%)* | No SAS | SAS | p Value |
|---|---|---|---|---|
| Immediately after stent placement (n=32 evaluable patients) | ||||
| Normal filling | 24 (75.0) | 17 (73.9) | 7 (77.8) | 0.8312 |
| Diminished caliber with normal transit time | 1 (3.1) | 1 (4.3) | 0 | |
| Sluggish flow | 6 (18.8) | 4 (17.4) | 2 (22.2) | |
| Occluded | 1 (3.1) | 1 (4.3) | 0 | |
| At follow-up angiography (n=46 evaluable patients) | ||||
| Normal filling | 33 (71.7) | 27 (73.0) | 6 (66.7) | 0.711 |
| Diminished caliber with normal transit time | 12 (26.1) | 9 (24.3) | 3 (33.3) | |
| Sluggish flow | 1 (2.2) | 1 (2.7) | 0 | |
| Occluded | 0 | 0 | 0 | |
*Values reflect number of stents placed. In one patient, bilateral transverse–sigmoid sinus stents were placed and the assessment of VOL patency was made separately for each side.
SAS, stent-adjacent stenosis; VOL, vein of Labbé.