Endovascular Occlusion of Basilar Bifurcation Aneurysms With Electrolytically Detachable Coils Table 1

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.