Incidence of Vasospasm, Outcome, and Quality of Life after Endovascular and Surgical Treatment of Ruptured Intracranial Aneurysms: Results of a Single-Center Prospective Study in Switzerland

Table 2

Location, size, and degree of obliteration of the aneurysm according to treatment modality.

	Surgical treatment			Endovascular treatment
	Total	Clinical CVS	No clinical CVS	Total	Clinical CVS	No clinical CVS
𝑁 Patients	41	12	29	25	6	19
Location of the aneurysm
ICA	4	1	3	2	1	1
MCA	14	3	11	1	0	1
PComA	10	3	7	5	2	3
AComA	12	5	7	9	1	8
BA	0	0	0	7	2	5
VA	0	0	0	1	0	1
PICA	1	0	1	0	0	0
Aneurysm size, maximal diameter (mm)	6.5±3.2	6.7±2.3	6.4±3.5	8.6±4.2	8.9±4.4	8.5±4.2
Degree of obliteration (%)*
100	82.9	100	75.9	52	33.3	57.9
>90	4.9	0	6.9	28	50	21.05
70–90	4.9	0	6.9	16	0	21.05
<70	7.3	0	10.3	4	16.7	0

CVS: cerebral vasospasm, MCA: middle cerebral artery; ICA: internal carotid artery, PComA: posterior communicating artery; AComA: anterior communicating artery; BA: basilar artery; VA: vertebral artery; PICA: posterior inferior cerebellar artery; *: based on postinterventional angiography at day 9 ± 2 after SAH.