Table 1:

Patient information and characteristics of aneurysms treated with the FD

Patients	161
Aneurysms	186
Women (%)	72.4
Mean age (yr) (range)	57.1 (28–82)
Presentation/indications for treatment (%)
Incidental finding/headaches	31.8
Recurrent after coiling/coiling and stenting	21.7
Cranial nerve deficit/mass effect	18.6
Associated second ruptured aneurysm	13.1
Stroke/transient ischemic attack	7.8
Subarachnoid hemorrhage (not acute)	3.9
Recurrent after clipping/failed clipping	2.3
Seizures	0.8
Total No. of aneurysms treated	186
<5 mm	53
5–9.9 mm	64
10–20 mm	47
>20 mm	22
Measurements (mean ± SEM)
Aneurysm dome size (mm)	10.4 ± 0.7
Aneurysm neck size (mm)	6 ± 0.4
Dome: neck ratio	1.6 ± 0.08
Proximal parent artery diameter (mm)	3.8 ± 0.1
Distal parent artery diameter (mm)	3.0 ± 0.1
Anterior circulation ICA (%)	118 (63.4)
Petrocavernous	5 (2.7)
Cavernous	20 (10.7)
Carotid cave	3 (1.6)
Superior hypophyseal	5 (2.7)
Paraophthalmic	34 (18.2)
Paraclinoid ICA	4 (2.2)
Supraclinoid ICA	6 (3.2)
Posterior communicating artery	36 (19.4)
Anterior choroidal artery	5 (2.7)
Anterior circulation distal to circle of Willis (%)	41 (22)
ICA terminus	5 (2.7)
Anterior cerebral artery (including AcomA and pericallosal)	12 (6.4)
Middle cerebral artery	24 (12.9)
Posterior circulation (%)	27 (14.5)
Vertebral artery (VA and VB junction)	8 (4.3)
Posterior inferior cerebellar artery	6 (3.2)
Basilar trunk	9 (4.8)
Posterior cerebral artery	3 (1.6)
Superior cerebellar artery	1 (0.5)
Morphology (%)
Wide-neck saccular	125 (67.2)
Fusiform/dissecting	54 (29.0)
Blister	7 (3.8)
Focal disease	100 (53.8)
Dysplastic artery	86 (46.2)

Note:—AcomA indicates anterior communicating artery; VA, vertebral artery; VB, vertebrobasilar; SEM, standard error of the mean.