Table 1

Patient demographics, aneurysm characteristics, and access

Case	Age*	Presentation	Prior treatment	Aneurysm size (mm)	Aneurysm location	Aneurysm type	Arch grade	Cervical ICA tortuosity	cICA grade†
1	60s	Incd—HA	None	11	Cervical	Dissecting	II	Y	II
2	80s	Incd—blind/TA	None	4	Oph	Saccular	III	N	IB
3	20s	Anr recurrence	Clip	9	Basilar	Fusiform	I	NA	NA
4	60s	Incd—tinnitus	None	4	A1/A2	Saccular	II	N	II
5	50s	Incd—dizziness	None	3	PCom	Saccular	–	N	III
6	60s	Incd—HA	None	4	Oph	Saccular	II	N	III
7	30s	Incd—HA	None	4	Para-oph	Saccular	I	N	IB
8	50s	Prior SAH	Coil	5	PCom	Saccular	I	Y	IA
9	50s	Opht	None	12	Cave	Fusiform	III	Y	IV
10	70s	Incd—HA	None	3	PCom	Saccular	II	N	IB
11	60s	Incd—HA	None	9	Cave	Saccular	II	Y	II
12	20s	Incd—HA	None	5	Cave	Saccular	I	Y	IB
13	60s	Incd—HA	None	9	Oph	Saccular	I	Y	II
14	60s	Incd—eye exam	None	13	P2/3	Fusiform	II	NA	NA
15	80s	Incd—diplopia	None	15	Cave	Saccular	–	N	IB
16	70s	Incd—weakness	None	4	MCA	Saccular	III	N	II
17	40s	Prior SAH	None	3	MCA	Saccular	I	N	IA
18	40s	Incd—HA	None	4	Para-oph	Saccular	I	N	IB
19	50s	Incd—numbness	None	3	Cave	Saccular	II	Y	IV
20	40s	Incd—BiH	None	4	Oph	Saccular	I	Y	II
21	60s	Incd—HA	None	5	Oph	Saccular	II	N	III
22	60s	Incd—dizzy	None	4	Para-oph	Saccular	II	N	IB
23	60s	Prior SAH	Coil	4	ACom	Saccular	III	N	II
24	50s	Incd—HA	None	5	PCom	Saccular	–	N	IB
25	50s	Prior SAH	Coil	3	PCom	Saccular	I	N	II
26	40s	Incd—HA	None	5	Oph	Saccular	I	Y	II
27	50s	Incd—dizzy	None	6	Oph	Saccular	I	N	IB
28	60s	Prior SAH	Coil	5	PCom	Saccular	II	Y	III
29	70s	Incd—stroke	None	5	Oph	Saccular	II	N	IV
30	40s	Incd—HA	None	6	Oph	Saccular	I	N	IB
31	20s	Incd—FH	None	4	Oph	Saccular	I	N	IB
32	60s	Incd—syncope	None	7	Oph	Saccular	I	Y	III
33	50s	Incd—HA	None	4	ACom	Saccular	II	N	IB
34	60s	Incd—HA	None	13	Oph	Fusiform	II	Y	III
35	50s	Incd—CSF leak	None	10	Oph	Saccular	–	Y	II
36	50s	Incd—CSF leak	None	4	Oph	Saccular	–	Y	IB
37	60s	Prior SAH	Clip	3	ACom	Saccular	I	Y	III
38	60s	Prior SAH	Stent, PED	12	Vert	Fusiform	II	NA	NA
39	50s	Incd—numb	None	4	Para-oph	Saccular	I	N	III
40	50s	Incd—numb	None	7	Para-oph	Saccular	I	N	III
41	70s	Incd—gait	Clip	5	ICA term	Saccular	II	Y	IB
42	50s	Incd—HA	None	4	PCom	Saccular	–	N	II
43	50s	Prior dissection	None	11	Cervical	Dissecting	I	N	III
44	60s	Incd—HA	None‡	22	Oph	Fusiform	III	N	III

*Patient age given as decade for anonymity according to JNIS protocol.
†cICA grade=cavernous ICA tortuosity classification system as previously described.12
‡Attempted but aborted treatment with PED classic at outside institution.
ACom, anterior communicating; Anr, aneurysm; BiH, bitemporal hemianopsia; Cave, cavernous; Cervical, cervical ICA; CSF, cerebrospinal fluid; FH, family history of aneurysms; HA, headache; ICA, internal carotid artery; Incd, incidental; MCA, middle cerebral artery; NA, not applicable; numb, numbness; Oph, ophthalmic; Opht, ophthalmoplegia; Para-oph, paraophthalmic/clinoidal; PCom, communicating segment ICA aneurysm; PED, Pipeline embolization device; SAH, subarachnoid hemorrhage; TA, temporal arteritis.