Mean venous sinus pressures in mm Hg (median (range))
| Anatomical location | Group A (Outflow obstruction present) | Group B (Controls) | ||
| Awake diagnostic | General anesthesia pre-stent | General anesthesia post-stent | Awake diagnostic | |
| SSS | 31.0 (24.0–37.0) | 30.0 (25.0–36.0) | 22.0 (15.8–24.0) | 20.0 (19.0–24.0) |
| Torcula | 32.0 (22.0–35.5) | 28.5 (25.3–34.5) | 18.5 (15.3– 22.8) | 18.0 (18.0–20.0) |
| Ipsilateral TS | 29.5 (21.3–34.8) | 28.5 (23.5–34.5) | 18.5 (15.3–22.5) | 18.0 (16.0–20.0) |
| Ipsilateral SS | 14.0 (9.5–16.5) | 14.5 (10.5–18.3) | 18.0 (14.0–20.8) | 14.0 (14.0–19.0) |
| Ipsilateral IJ | 13.0 (9.0–15.8) | 14.0 (10.5–17.3) | 16.5 (11.5–19.0) | 14.0 (13.0–19.0) |
| CVP | 10.0 (7.0–11.0) | NR | 13.0 (8.0–17.0) | 11.0 (10.0–12.0) |
| TS-SS gradient | 13.5 (12.3–16.5) | 13.0 (11.0–18.0) | 1.0 (1.0–1.8) | 2.0 (1.0–2.0) |
CVP, central (atrial) venous pressure; IJ, internal jugular vein bulb; SS, sigmoid sinus; SSS, superior sagittal sinus; TS, transverse sinus.