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Procedural Outcome and Midterm Result of Carotid Stenting in High-Risk Patients

Shiraz University of Medical Science, Shiraz, Iran

For reprint information contact: Javad Kojuri, MD, Tel: 98 71 1629 1159, Fax: 98 71 1626 1089, Email: kojurij{at}yahoo.com, Namazi Hospital, Shiraz University of Medical Science, Zand Street, Shiraz, Iran.

Carotid endarterectomy is the standard treatment for carotid stenosis, but carotid artery stenting has emerged as a potential alternative. Elective carotid artery stenting was performed in 42 patients aged 42 to 79 years (mean, 67.05 ± 8.67 years) after ultrasonography, computed tomography, magnetic resonance angiography and a neurological evaluation. There was bilateral carotid stenosis in 23 patients (55%), with > 90% stenosis in 18 vessels. All patients had significant associated coronary lesions. An emboli protection device and self-expanding stents were used. One year later, the patients were evaluated by Doppler sonography and selective angiography. Technical success was achieved in all procedures. During follow-up, 1 (2.4%) patient died from myocardial infarction, 1 underwent coronary artery bypass and 14 (40%) had minor complaints including occasional dizziness. No other neurological events were noted. Restenosis was found in one case, but selective angiography ruled out a significant lesion. One patient suffered embolization, but recovered completely within 24 hours. In 7 (17%) patients with type C arch interruption and a tortuous carotid course, stenting was successful and they had no embolization or restenosis. Carotid artery stenting is recommended in high-risk patients.

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