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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.
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