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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 21:732-738 (4 2000)
© 2000 American Society of Neuroradiology

ARTICLE

Endovascular Stenting for Carotid Artery Stenosis: Preliminary Experience Using the Shape-memory–Alloy-recoverable–technology (SMART) Stent

Constantine C. Phatouros^a, Randall T. Higashida^,a, Adel M. Malek^a, Philip M. Meyers^a, Todd E. Lempert^a, Christopher F. Dowd^a and Van V. Halbach^a

^a From the Division of Interventional Neurovascular Radiology, University of California San Francisco Medical Center, San Francisco, CA.

Summary: We describe our initial clinical experience using the newly available self-expanding, Nitinol, shape-memory–, alloy-recoverable–technology (SMART) stent in treating carotid artery occlusive disease. Five stents were used in four carotid arteries in four consecutive patients with carotid stenosis of at least 70%. Technical success (<20% residual stenosis) was achieved in all cases. No procedural complications specifically related to use of the SMART stent were encountered. All patients remained symptom-free, with no evidence of transient ischemic attacks or new strokes during an average follow-up period of 6 months. Excellent performance of the SMART stent for the endovascular treatment of carotid artery stenosis has been shown based on our early experience. Validation with greater numbers and longer-term follow-up is required. The specific technical characteristics, potential advantages, and disadvantages of this stent are discussed and compared with other currently used carotid artery stents.

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