Clinical results of carotid artery stenting with a nitinol self-expanding stent (SMART stent).
Our objective was to assess the technical feasibility and the clinical results of internal carotid artery (ICA) stenting using a nitinol self-expanding stent (SMART stent). In 13 patients 13 high-grade stenoses of the internal carotid artery were treated via an implantation of a SMART stent. In all cases a predilation of the stenosis and a postdilation within the stent were performed. Follow-up examinations were carried out in all patients after a period of 6 months. In each case the implantation of the stent was performed without technical complications. In 12 of 13 cases the stent was placed in the patients' internal carotid artery, in 1 case from the internal to the common carotid artery (CCA). The average degree of stenosis of 78% (70-95%) was reduced to an average of 2.8% (0-21%). The 6-month follow-up angiography showed an average degree of restenosis of 11.8% (0-29%) in 8 of 13 patients. Duplex sonography in the remaining 5 patients demonstrated patent stents. One patient showed brief neurological symptoms during the intervention. No further complications occurred during follow-up time. Treatment of internal carotid artery stenosis with the SMART stent seems technically feasible, safe, and promises long-term patency.
Drescher
Robert
R
Department of Radiology, Staedtische Kliniken Dortmund, Beurhausstrasse 40, 44139 Dortmund, Germany.
Mathias
Klaus D
KD
Jaeger
Horst J
HJ
Bockisch
Georg
G
Demirel
Eren
E
Gissler
H Martin
HM
Hauth
Elke
E
D000368:Aged; D000369:Aged, 80 and over; D000497:Alloys; D019917:Blood Vessel Prosthesis Implantation; D002339:Carotid Arteries / Q000000981:diagnostic imaging*; D016893:Carotid Stenosis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D011859:Radiography; D015607:Stents; D016896:Treatment Outcome
D000497:Alloys; C013616:nitinol