Stenting from the Vertebral Artery to the Posterior Inferior Cerebellar Artery

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Fig 1.
A and B, The anteroposterior view of the right vertebral artery angiography (A) and the 3D reconstruction image (B). C, The Enterprise stent is placed through the PICA to the distal portion of right vertebral artery via left the vertebral artery approach. D, The 6-month follow-up angiography reveals good PICA patency. E, The 3D reconstruction image also shows good PICA patency. F, Illustration of the vertebral artery-to-PICA stent placement with coil embolization.
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Fig 2.
A and B, The lateral image of right vertebral artery angiography (A) and the 3D reconstruction image (B). C, The PICA was obstructed after the deployment of the Wingspan. D, The Enterprise stent was placed through the proximal vertebral artery to the PICA. E, The 6-month follow-up angiography shows good patency of the vertebral artery and the PICA. F, 3D reconstruction image shows good PICA patency. G, Illustration of the vertebral artery-to-PICA stent placement.

Summary of characteristics of 6 patients who underwent stenting of vertebral artery−PICA

Patient No.	Age (yr)/Sex	Presentation	Diagnosis	Treatment	Stent (mm)	Imaging/Clinical F/U (mo)	GOS
1^a	58/F	Coexisting	PICA aneurysm	Stent coil	Enterprise 4.5 × 22	11/24	5
2	49/M	SAH	Vertebral artery dissection	Vertebral artery occlusion with stenting	Enterprise 4.5 × 37	12/23	5
3	50/M	Headache	Vertebral artery dissection	Vertebral artery occlusion with stenting	Enterprise 4.5 × 22	6/6	5
4	55/M	Dizziness	Vertebral artery−PICA stenosis	Stent	Enterprise 4.5 × 28	6/6	5
5	49/M	SAH	PICA aneurysm	Stent coil	Solitaire 4 × 15	6/6	5
6^a	68/F	Coexisting	PICA aneurysm	Stent coil	Enterprise 4.5 × 22	1/3	5