Table 1.

Clinical features and treatments

Case	Age (y.o.)	Sex	Onset-Needle (hr)	NIHSS	DWI-ASPECTS	Occlusion site	Merci size/type	iv-tPA	Adjnctive treatments
1	66	M	10.0	19	8	M1 d	2.0F	Ineligible	Extracranial stent
2	54	M	2.3	30	4	M1 p	2.0F	Ineligible	None
3	52	M	3.5	18	6	M1 p	2.0F	Failed	PTA
4	78	M	37.5	22	5	M1 p	2.0F	Ineligible	PTA
5	64	M	7.7	10	8	M1 p	2.0F	Failed	None
6	40	M	16.3	12	8	M1 p	2.5S	Ineligible	PTA, intracranial stent
7	76	M	3.0	18	6	M1 p	2.5F, 2.0F, 2.5F	Ineligible	None
8	82	F	16.0	23	6	M1 d	2.0F	Ineligible	ia-UK
9	81	M	2.0	29	9	M1 d	2.0F, 2.5S	Ineligible	PTA
10	67	M	2.8	10	9	M1 p	2.5S, 2,0F	Ineligible	PTA
11	67	M	5.8	7	7	M1 d	2.5F	Failed	PTA
12	68	F	4.2	12	8	M1 d	2.0F	Ineligible	PTA
13	48	F	2.9	22	4	M1 p	2.5S	Ineligible	ia-UK
14	59	M	11.7	26	4	M1 p	2.5S	Ineligible	PTA
15	84	M	3.8	16	6	M1 p	2.0S, 2.0F	Failed	PTA
16	73	M	2.9	34	4	M1 p	2.0S, 2.5S	Ineligible	PTA
17	74	M	3.7	20	5	M1 p	2.0F, 2.5F, 2.0F	Failed	extracranial stent
18	60	M	11.1	23	4	M1 p	2.0F, 2.0S	Ineligible	None
19	59	F	2.7	26	5	M1 p	2.0S, 2.5F	Ineligible	None
20	81	M	4.3	18	7	M1 d	2.0S, 2.0F	Failed	None
21	83	F	10.7	19	5	M1 p	2.0S, 2.0F	Ineligible	Penumbra, PTA, intracranial stent
22	82	F	11.3	10	6	M1 d	2.0S, 2.0F	Ineligible	None
23	72	F	10.3	23	6	M1 d	2.0S, 2.0F	Ineligible	Penumbra

If onset-time was unknown, the onset-time was defined as the time at which the patient was last known to be without any neurological deficit. ASPECTS: Alberta Stroke Program Early Computed Tomography, DWI: diffusion-weighted imaging, hr: hour, ia-UK: intra-arterial urokinase, M1 d: M1 distal, M1 p: M1 proximal, NIHSS: National Institutes of Health Stroke Scale, PTA: percutaneous transluminal angioplasty, y.o.: years old.