Risk Factor Analysis of Recanalization Timing in Coiled Aneurysms: Early versus Late Recanalization

Article Figures & Data

Table 1:

Baseline characteristics of study enrollees

Variables	Early (n = 128)	Late (n = 52)	Complete (n = 690)	P Value^{^a}
Female	94 (73.4%)	34 (65.4%)	467 (67.7%)	.389
Age, yr	58.0 ± 11.1	55.3 ± 12.1	58.1 ± 10.5	.330
HTN	80 (62.5%)	25 (48.1%)	375 (54.3%)	.134
Hyperlipidemia	15 (11.7%)	12 (23.1%)	123 (17.8%)	.126
Smoking	19 (14.8%)	6 (11.5%)	91 (13.2%)	.815
Location
Anterior	104 (81.2%)	48 (92.3%)	650 (94.2%)
Posterior	24(18.8%)	4 (7.7%)	40(5.8%)	<.001
Presentations
UIA	99 (77.3%)	38 (73.1%)	595 (86.2%)
SAH	29 (22.7%)	14 (26.9%)	95(13.8%)	<.001
Second attempt	33 (25.8%)	7 (13.5%)	34 (4.9%)	<.001
Type
Sidewall	66 (51.6%)	28 (53.9%)	388 (56.2%)
Bifurcation	62 (48.4%)	24 (46.1%)	302 (43.8%)	.604
Maximum size, mm	8.3 ± 5.1	5.7 ± 2.2	4.6 ± 2.6
Aneurysm size >7 mm	62 (48.4%)	12 (23.1%)	84 (12.2%)	<.001
D/N ratio (>1)	69 (53.9%)	35 (67.3%)	391 (56.7%)	.249
Balloon	22 (17.2%)	8 (15.4%)	162 (23.5%)	.141
Stent	45(35.2%)	8 (15.4%)	169 (24.5%)	.009
Antiplatelet medication	48 (37.5%)	19 (36.5%)	183 (26.5%)	.018
Initial occlusion
Successful occlusion	96 (75.0%)	42 (80.8%)	519 (75.2%)
Residual sac	32 (25.0%)	10 (19.2%)	171 (24.8%)	.661
Bioactive coil (>50%)	26 (20.3%)	8 (15.4%)	129 (18.7%)	.743

Note:—D/N ratio indicates depth-to-neck ratio; HTN, hypertension; UIA, unruptured intracranial aneurysm.
↵a P < .05 is significant.

Table 2:

Multinomial logistic regression; late recanalization versus complete occlusion (early recanalization serving as reference)^{^a}