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PT  - JOURNAL ARTICLE
AU  - Kim, M.J.
AU  - Chung, J.
AU  - Kim, S.L.
AU  - Roh, H.G.
AU  - Kwon, B.J.
AU  - Kim, B.-s.
AU  - Kim, T.H.
AU  - Kim, B.M.
AU  - Shin, Y.S.
TI  - Stenting from the Vertebral Artery to the Posterior Inferior Cerebellar Artery
AID  - 10.3174/ajnr.A2741
DP  - 2012 Feb 01
TA  - American Journal of Neuroradiology
PG  - 348--352
VI  - 33
IP  - 2
4099  - http://www.ajnr.org/content/33/2/348.short
4100  - http://www.ajnr.org/content/33/2/348.full
SO  - Am. J. Neuroradiol.2012 Feb 01; 33
AB  - BACKGROUND AND PURPOSE: There are only a few reports on the feasibility and safety of stents used in the PICA, and clinical and angiographic follow-up results have not been fully addressed. We report our experiences of treating PICA origin or vertebral artery−PICA lesions by using self-expanding stents as adjuvant or rescue therapy with angiographic and clinical follow-up results. MATERIALS AND METHODS: Six patients were treated with self-expanding stent placements from the vertebral artery to the PICA. Two patients had a vertebral artery dissecting aneurysm involving the PICA origin, 3 had vertebral artery−PICA aneurysms, and 1 had segmental stenosis of the vertebral artery harboring the origin of the PICA. The safety, feasibility, and follow-up angiographic results were retrospectively evaluated. RESULTS: All procedures were successfully performed without any procedure-related complications. None of the patients showed PICA territorial infarction on DWI posttreatment. All patients were neurologically intact during the clinical follow-up of 3–24 months following the procedure. Follow-up angiography was performed at between 6 and 12 months in 5 of the 6 patients and was scheduled for the sixth patient but was not performed. The PICA showed good patency without in-stent stenosis in all 5 patients. CONCLUSIONS: In patients with lesions of the PICA origin or vertebral artery−PICA lesions, vertebral artery-to-PICA stent placement may be an option for preserving PICA patency in selected cases. EVTendovascular treatmentPCAposterior cerebral artery