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Percutaneous transluminal angioplasty and stenting of carotid arteries: Early results

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Author(s): Čolić Momčilo | Jadranin Dragica | Marković Dejan | Davidović Lazar

Journal: Srpski Arhiv za Celokupno Lekarstvo
ISSN 0370-8179

Volume: 136;
Issue: 9-10;
Start page: 494;
Date: 2008;
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Keywords: carotid artery stenosis | PTA | stent

ABSTRACT
INTRODUCTION Treatment of carotid stenosis could be surgical: eversion endarterectomy, conventional endarterectomy and patch-plasty, resection with graft interposition and bypass procedure or, in the past few years, carotid artery angioplasty (PTA) with stent implantation. OBJECTIVE The aim of this study is to present early results of carotid artery angioplasty and stenting, as well as to identify indications for this procedure. METHOD Twenty-three patients with stenosis of internal carotid artery were included in the prospective study which was performed in the period from July 2006 to July 2007. For PTA and stenting of the carotid artery we used Balloon dilatation catheter Ultra-softTM SV and Carotid WallstentTM MonorailTM. During the procedure, brain protection by embolic protection system Filter Wire EZ was essentially performed. Descriptive statistical methods were performed to present and describe the patient characteristics, risk factors and results. RESULTS 23 patients were examined. In four (17.39%) cases there was asymptomatic, while in 19 (82.61%) there was symptomatic homodynamic significant stenosis of the internal carotid artery. Four of these 19 patients (17.39%) had late restenosis following carotid endarterectomy, four (17.39%) important respiratory failure, and 11 (47.83%) important heart disease. Patients were followed up for the first 30 postopertive days. In that period, there were no mortality and no needs for surgical conversions. In one case (4.35%), residual stenosis of 30% remained. Two patients (8.70%) had TIA and one (4.35%) had CVI. CONCLUSION Main indications for PTA and stenting of carotid arteries are: surgically inaccessible lesions (at or above C2; or subclavial); radiation-induced carotid stenosis; prior ispilateral radical neck dissection; prior carotid endarterectomy (restenosis), severe cardiac and pulmonary conditions. Limitations and contraindications to carotid angioplasty and stentning include: significant peripheral occlusive diseases; unfavorable aortic arch anatomy; severe tortuosity of the common and internal carotid artery; severely calcified stenosis, lesions containing fresh thrombus; stenosis longer than 2 cm; critical (>99%) stenosis; associated carotid artery aneurysm; contrast-related issues and severe aortic valve stenosis.

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Tangokurs Rapperswil-Jona

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