Safety and Efficacy of Stent-Assisted Coiling of Unruptured Intracranial Aneurysms Using Low-Profile Stents in Small Parent Arteries

American Journal of Neuroradiology

Table 1:

Details of endovascular procedures

Variables	Values
Platelet function test
PRU (SD)	187.7 (67.1)
Clopidogrel hyporesponder (No.) (%)	23 (34.8)^{^a}
Stent type (No.) (%)
LVIS Jr	22 (33.3)
Neuroform Atlas	44 (66.7)
No. of stents (No.) (%)
1	59 (89.4)
2	7 (10.6)^{^b}

Table 2:

Procedure-related complications and 90-day clinical outcomes

Clinical Outcomes	Values
Procedure-related complications (No.) (%)	10 (15.2)
Thromboembolism	8 (12.1)^{^a}
Hemorrhage	2 (3.0)
Unfavorable outcome (mRS ≥3) (No.) (%)	3 (4.5)
Procedure-related mortality (No.) (%)	0

Table 3:

Radiologic outcomes

Aneurysm Occlusion Classification	Values
Immediate postprocedural (No.) (%)
RR I	38 (57.6)
RR II	13 (19.7)
RR III	15 (22.7)
Follow-up occlusion (median, 12.1 mo) (No.) (%)
RR I	51 (87.9)
RR II	4 (6.9)
RR III	3 (5.2)
Recurrence (No.) (%)	2 (3.4%)^{^a}
In-stent stenosis (No.) (%)	0 (0%)

Table 4:

Multivariate analysis of risk factors for procedure-related complications

Variables	Odds Ratio	95% Wald CI	P Value
Age	1.08	0.99–1.19	.086
Female sex	5.38	0.61–47.72	.131
Current smoking	7.10	1.35–37.50	.021^{^a}
Diabetes mellitus	3.25	0.15–72.60	.457
Cardiovascular disease	2.24	0.15–33.63	.560
Parent artery diameter	18.40	0.126–2694.60	.252
RR I	2.30	0.23–22.94	.478