Table 2.
Objective mechanical and imaging findings
| First author | Cases, n | Mean BMI (range) | Type of stenosis | CSF opening pressure, cm H2O |
Mean pressure gradient, mm Hg |
Retreatments, n | Sinus pressure, mm Hg |
|||
|---|---|---|---|---|---|---|---|---|---|---|
| Before | after | before | after | before stenting | after stenting | |||||
| Ahmed [12], 2011 | 52 | >30 in 47 cases | EX: 11, IN: 17, CB: 24 | 32.9 (25–55) NR in 4 | 4/6 retreatments 23.8 (17–31) | 19.1 (4–41) | 0.6 (0–14) | 6 restented, 5 restenosis adjacent to stent, 1 stenosis in contralateral side | 46 with papilledema, 34 (15–94), 6 without papilledema, 25 (18–34) | 46 with papilledema, 16 (11–33), 6 without papilledema, 12 (7–14) |
| Albuquerque [13], 2011 | 18 | NR | NR | NR | NR | NR | NR | 0 | NR | NR |
| Arac [20], 2009 | 1 | 29 | CBa | 31 | NR | 14 | 2 | 0 | 27 | 14 |
| Bussière [14], 2010 | 10 | 35.9 (27–47) | NR | only range is given (25–50) | NR | 28.25 (11–50) | 11.25 (2–23) | NR | NR | NR |
| Donnet [9], 2008 | 10 | 27.3 (22–37) | NR | 40.2 (29–59) | 19 (9–19) | 19.1 (12–34) | NR | 0 | 29.2 (20–44) | NR |
| Fields [6], 2012 | 15 | 39 (30–73) | NR | NR | NR | 24 (13–40) | 4 (0–9) | 2 needed VPS | NR | NR |
| He [10], 2012a | 24 | NR | NR | NR | NR | 11.7 | 7 | NR | 23 | 14.5 |
| Higgins [5], 2003 | 12 | 36.9 (29–45) | NR | 33.7 (25–46) | NR | 18.9 (8–37) | 5.75 (2–15) | 2 restented, both in contralateral sinus | 27.2 (14–45) | 15.6 (12–23) |
| Higgins [4], 2002 | 1 | 30.1 | CBa | 35 | 13.7 | 18 | 3 | 0 | 27 | NR |
| Khalia [21], 2010b | 22 | 38.2 (23–61) | NR | NR | NR | 18 patients with data 13.3 (3–40) | 18 patients with data 1.7 (0–7) | 8 restented, 5 stenosis adjacent to stent, 2 contralateral stenosis, 1 IJ stenosis | 18 patients with data 24 (9–51) | 18 patients with data 12 (6–24) |
| Kumpe [7], 2012 | 18 | 31.6 (22.6–38) | NR | 39.6 (25–73) NR in 4 | NR | 21.4 (4–39) | 2.6 (0–7) | 2 retreated, 1 restented, 1 thrombectomy downstream from stent | NR | NR |
| Lazzaro [19], 2012 | 3 | 39.7 (31.5–47.7) | 1 CB, 1 EX, 1 INa | 2 reported, >44 and 60 | NR | 32 (30–36) | 3.7 (1–5) | 0 | 44.7 (39–50) | 24.3 (19–33) |
| Ogungbo [15], 2003 | 1 | NR | CBa | 40 | 26 | 25 | NR | 0 | 40 | NR |
| Owler [18], 2003 | 4 | 30 (23–38) | NR | 3 reported, 39 (30–48) | 3 reported, 15 (15–16) | 19 (12–25) | 0.25 (0–1) | 0 | 27.25 (18–36) | NR |
| Paquet [17], 2008 | 1 | NR | NR | 30 | NR | 15 | NR | 0 | 33 | NR |
| Rajpal [16], 2005 | 1 | 26.9 | CBa | 37 | NR | 25 | NR | 0 | 35 | NR |
| Radvany [8], 2013 | 12 | 32.6 (27.3–45.7) | NR | 39.4 (29–55) | NR | 12.4 (5–28) | 1.27 (0–4) | 2 restented, stenosis proximal to stent | NR | NR |
| Teleb [23], 2012 | 1 | 28 | EX | 48 | NR | 26 | 0 | 0 | 31 | 11 |
| Zheng [22], 2010 | 1 | 26.1 | IN, GR | 40 | 14.5 | 12 | 0 | 0 | 17 | NR |
| Before and after treatment significance: | paired t test <0.05 (0.002) | paired t test <0.05 (0.0001) | paired t test <0.05 (0.0001) | |||||||
NR = Not reported; IN = intrinsic; GR = arachnoid granulation; EX = extrinsic (smooth gradual narrowing/tapered stenosis); CB = combined intrinsic and extrinsic.
a
Review of imaging, the type of stenosis was not reported.
b
Case series presented in abstract form at the 2010 Annual Meeting of the American Academy of Neurology, Poster P05.284.