Arterial remodeling and hemodynamics in carotid stents: a prospective duplex ultrasound study over 2 years Andrea Willfort-Ehringer, MD, Ramazanali Ahmadi,

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Presentation transcript:

Arterial remodeling and hemodynamics in carotid stents: a prospective duplex ultrasound study over 2 years Andrea Willfort-Ehringer, MD, Ramazanali Ahmadi, MD, Diego Gruber, Michael E Gschwandtner, MD, Angelika Haumer, Markus Haumer, MD, Herbert Ehringer, MD Journal of Vascular Surgery Volume 39, Issue 4, Pages 728-734 (April 2004) DOI: 10.1016/j.jvs.2003.12.029

Fig 1 B-mode image of a carotid stent at 12 months shows the sites where proximal, middle, and distal stent diameter were measured. Small arrows mark the ingrowing “neointima” within the stent, a uniformly echogenic line on the luminal side of the stent and a less echogenic area underneath, similar to the intima-media layer of the native common carotid artery (CCA) proximal to the stent. Pre-interventional plaque, compressed by the stent, is marked by large arrows. Journal of Vascular Surgery 2004 39, 728-734DOI: (10.1016/j.jvs.2003.12.029)

Fig 2 A, Development of mean (±SD) proximal, middle, and distal stent diameters over 24 months. B, Influence of type of pre-interventional plaque (soft, fibrous, calcified) on development of mean middle stent diameter, the site of the pre-interventional plaque, over time (see text). Journal of Vascular Surgery 2004 39, 728-734DOI: (10.1016/j.jvs.2003.12.029)

Fig 3 Development of carotid ratio and ingrowing neointima in carotid stents over 24 months (mean ± SD). Journal of Vascular Surgery 2004 39, 728-734DOI: (10.1016/j.jvs.2003.12.029)