Table 1:

Summary of clinical and angiographic data

Case	Age/Sex	Presentation	Aneurysm	Treatment	Clinical Outcome/Follow-Up Imaging Findings
1	43/M	Incidental	SCA	PAO	Ataxia that resolved within 1 month post-op. CT/MRI: cerebellar infarct
2	51/M	SAH (I)	SCA	PAO	Excellent
3	40/F	SAH (II)	SCA	PAO	Excellent
4	54/M	SAH (II)	SCA	PAO	Ataxia that resolved within 3 weeks CT/MRI: cerebellar infarct
5	73/F	SAH(II)	SCA	PAO	Excellent
6	68/F	SAH (III)	PICA	Selective	Excellent
7	67/F	SAH (III)	PICA	PAO^*	Excellent
8	66/F	SAH (II)	PICA	PAO^*	Excellent
9	64/F	SAH (II)	PICA	PAO	Excellent
10	64/F	SAH (II)	PICA	PAO	Excellent
11	63/M	SAH (II)	AICA	Selective	Excellent
12	57/M	SAH (II)	PCA	PAO	Hemiparesis/CT: Thalamic infarct
13	40/M	Incidental	PCA	Selective	Excellent
14	38/F	Incidental	PCA	Selective	Excellent
15	23/F	SAH (II)	PCA	PAO	Excellent
16	53/F	SAH (II)	PCA	Selective	Excellent
17	23/M	Headache, visual disturbances	PCA	PAO	Excellent
18	49/M	Diplopia	PCA	PAO	Homonymous hemianopsia, hemiparesis improved; diplopia goneCT, MRI: occipital, thalamic infarct
19	54/F	Incidental	PCA	PAO	Visual field defect/occipital Infarct
20	76/M	SAH (III)	PCA	PAO	Excellent
21	23/M	SAH (III)	MCA	PAO	Hemiparesis (due to hematoma) resolved
22	44/M	SAH (III)	MCA	PAO	Excellent/CT: small infarct/not relevant to the procedure (angiospasm)
23	38/M	Incidental	MCA	PAO	Excellent
24	72/M	Hematoma	MCA	PAO	Excellent
25	67/F	SAH (III)	MCA	Spontaneous thrombosis	Excellent
26	53/F	SAH (IV)	ACA	PAO	Dead (sepsis)
27	64/M	SAH (III)	ACA	PAO	Excellent

Note:—M indicates male; F, female; SCA, superior cerebellar artery; PAO, parent artery occlusion; SAH, subarachnoid hemorrhage; PICA, posterior inferior cerebellar artery; AICA, anterior inferior cerebellar artery; PCA, posterior cerebral artery; MCA, middle cerebral artery; ACA, anterior cerebral artery;
* , delayed parent artery occlusion.