Table 1: Initial Angiographic Results of Endovascular Therapy (N = 40 patients).

N
Complete Obliteration
Residual Neck
Residual Neck and Body
No Coils Detached

Aneurysm Size

< 5 mm

8
4
2
0
2

6 to 10 mm

19
8
3
1
7

11 to 15 mm

10
1
6
2
1

16 to 20 mm

3
0
2
1
0

Aneurysm Neck

Small

18
10
5
0
3*

Wide

22
3
8
4
7

* Technical failures in 3 small-neck aneurysms included two patients with marked proximal vessel tortuosity and one 3 mm aneurysm with a 2 mm neck.

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