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KMID : 1103720110650010053
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Journal of the Korean Society of Radiology
2011 Volume.65 No. 1 p.53 ~ p.59
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Intracranial Stent Implantation for Drug Resistant Atherosclerotic Stenosis: Results of 52 Cases
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Kim Kuk-Seon
Hwang Dae-Hyun
Ko Young-Hwan
Kang Ik-Won
Lee Eil-Seong
Han You-Mie
Kim In-Soo
Hur Choon-Woong
Min Seon-Jung
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Abstract
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Purpose:We evaluated the usefulness of intracranial stent implantation for treatment of drug resistant atherosclerotic stenoses.
Materials and Methods: Between March 2004 and July 2007, we tried intracranial stent implantation in 49 patients with 52 lesions (anterior circulation 48 cases, posterior circulation 4 cases) who had an ischemic stroke with more than 50% of major cerebral artery stenosis. We classified the lesions by their location and morphology, analyzed the results in terms of the success rate, complication rate, and restenosis rate during the follow-up period.
Results: Intracranial stent implantation was performed successfully in 43 cases (82.7%). In eight of the nine cases, the stent implantation failure was due to the tortuosity of the target vessel. There was no major periprocedural complication. One patient showed cerebellar infarction after the procedure. Mean residual stenoses decreased from 70.2% to 13.0%. Four cases (9.3%) demonstrated in-stent restenoses and more than 50% during the mean and 25.3/month after the follow-up period.
Conclusion:Success rate of intracranial stent implantation may improve on developing technique and more experience. Low rate of complication and restenosis suggest that we can consider intracranial stent implantation for treatment of drug resistant atherosclerotic stenoses.
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KEYWORD
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Stroke, Cerebral Arterial Diseases, Cerebral Stenosis, Stents, Intracranial , Arteriosclerosis
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