Table 2

Procedural details

Case	Dominant venous sinus	Stenosis location	Pressure gradient pre (mm Hg)	Pressure gradient post (mm Hg)	Stent	Balloon	Shuttle system used^*	Stent patent on follow-up imaging	Evaluation method	Angiographic follow-up (months)
1	R	R transverse/sigmoid	26	3	10×60 Zilver (cook; self-expanding)	6×40	12F/9F/7F	+	Angio	6
2	R	R transverse/sigmoid	19	3	10×60 Zilver	6×40	12F/9F/7F	+	Angio	6
3	R	R transverse/sigmoid	40	3	10×60 Zilver	6×40	11F/9F/7F	+	MRI/MRV	12
4	R	R transverse	21	7	10×60 Zilver	6×40	12F/9F/7F	+	Angio	6
5	R	R transverse	19	4	10×60 Zilver	6×40	12F/9F/7F	+	Angio	6
6	R	L and R transverse/sigmoid	19	1	10×40 SMART stent (cordis; self-expanding) L transverse	6×40	7F	+	Angio	6
					10×60 SMART stent R transverse
					10×40 SMART stent R sigmoid
7	R	L and R transverse	14	4	10×60 Zilver	6×40	12F	+	Angio	6
8	L	L transverse/sigmoid	33	9	10×80 Zilver	6×40	12F/9F/7F	+	Angio	5
9	L	L transverse/sigmoid	20	1	10×60 Zilver	6×40	11F/7F	+	Angio	8
10	CO	R transverse/sigmoid	22	5	10×60 SMART stent	6×40	7F	+	Angio	11
11	R	R transverse	13	3	10×60 Zilver	6×40	11F/7F	+	Angio	6
12	CO	L and R transverse	25	1	10×60 Zilver R transverse	6×40	7F	+	MRI/MRV	44
12	CO	L and R transverse	25	1	10×60 Zilver L transverse	6×40	7F	+	MRI/MRV	44
13	R	L transverse/sigmoid	34	5	10×60 Zilver	6×40	9F/7F	+	Angio	6
14	L	L transverse/sigmoid	36	0	10×60 Zilver	6×40	12F/9F/7F	+	Angio	3
15	R	R transverse/sigmoid	27	7	10×60 Zilver	6×40	12F/9F/7F	+	Angio	3
Mean or %	R: 10 (67%)		24	4	10×60 Zilver			14/14 (100%)	Angio: 13 (87%)	Average: 9 median: 6
	L: 3 (20%)								MRV: 2 (13%)
	CO: 2 (13%)

↵* In all cases, shuttles placed in the jugular bulb ipsilateral to the stenotic sinus for access. The numbers indicate the size of the shuttle. Two such numbers indicate a co-axial system and three a tri-axial system.
Angio, catheter angiography; CO, co-dominant; F, French; L, left; MRV, magnetic resonance venography; R, right.