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Multicenter evaluation of carotid artery stenting with a filter protection system

Nadim Al-Mubarak, MD, FACC^*, Antonio Colombo, MD, FACC, Peter A. Gaines, MD, Sriram S. Iyer, MD, FACC^*, Nicola Corvaja, MD, Trevor J. Cleveland, MD, Sumaira Macdonald, MD, Cristina Brennan, MD^* and Jiri J. Vitek, MD, PhD^*,*

^* Lenox Hill Heart and Vascular Institute, New York, New York, USA
Centro Cuore Colombus-Interventional Cardiology, Milan, Italy
Sheffield Vascular Institute, Sheffield, United Kingdom

View larger version (93K): [in a new window]   Figure 1 Application of the NeuroShield filter system during carotid artery stenting. The filter is mounted on a filter wire that is used to cross the lesion and deliver interventional balloon and stent catheters. ICA = internal carotid artery.

View larger version (70K): [in a new window]   Figure 2 Carotid angiogram demonstrating flow preservation during carotid artery stenting with the filter protection system. (A) Preprocedural angiogram showing a high-grade stenosis of the internal carotid artery. (B) The filter (the bottom two arrows) is positioned distal to the lesion. In this case a "buddy wire" (the white arrow) was required to facilitate filter placement. (C) Carotid angiogram demonstrating flow through the filter (arrows). (D) Final angiography: the stented site is widely patent.

View larger version (64K): [in a new window]   Figure 3 Retrieved filter showing macroscopically visible captured material.