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KMID : 1103720110650040365
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Journal of the Korean Society of Radiology
2011 Volume.65 No. 4 p.365 ~ p.372
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Preliminary Report of Carotid Artery Stenting Using a Tapered Stent
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Jeong Chang-Woo
Kim Dong-Hyun
Ahn Seong-Hwan
Kim Dong-Uk
Hong Seung-Jeong
Kim Young-Sook
Byun Joo-Nam
Oh Jae-Hee
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Abstract
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Purpose:To analyze the results of carotid artery stenting using a tapered stent and to evaluate the effectiveness of the tapered stent compared to previously reported studies using non-tapered stents.
Materials and Methods : From October 2008 to August 2010, elective carotid artery stenting using a tapered stent was attempted in 39 lesions from 36 consecutive patients. Post-procedural complications were evaluated by neurologic symptoms and magnetic resonance imaging. Restenosis or occlusion was evaluated by carotid Doppler ultrasound and computerized tomography with angiography. Newly developed neurologic symptoms were evaluated clinically.
Results:The self-expandable tapered stent was placed across the carotid artery stenosis. A total stroke was noted in 3 patients, while a major stroke was noted in 1 patient. On diffusion weighted imaging, new lesions were observed in 15 patients, but 13 patients were clinically silent. Follow-up imaging studies were performed in the 13 clinically silent lesions, and no evidence of restenosis or occlusion was found any of the 13 lesions. During clinical follow-up in 34 lesions from 31 patients, there were newly developed neurological symptoms in only 1 patient.
Conclusion:Carotid artery stenting using a tapered stent may be safe and useful for the treatment of carotid artery stenosis.
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KEYWORD
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Carotid Arteries , Carotid Artery Stenosis , Stents , Transluminal Angioplasty
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