Article Figures & Data
Figures
- Fig 1.
A 56-year-old male patient who presented with left hemiparesis and dysarthria. A, Right common carotid angiogram shows a severe stenosis of >95%. An Emboshield was placed after prefilter dilation by using a 2.5-mm balloon; then, prestent dilation was performed with a 4-mm balloon (not shown). B, Angiogram obtained immediately after stent (S.M.A.R.T., 9 × 40 mm) deployment shows ICA flow arrest. C, ICA flow is normalized immediately after filter withdrawal. D, Gross inspection reveals several open pores in the filter membrane and a relatively small amount of debris within the filter. E, More magnified view demonstrates that many pores are occluded by semitranslucent debris. F, Histopathologic examination shows that these materials mainly consist of fibrin (H&E, original magnification ×40).
- Fig 2.
A 64-year-old male patient who presented with transient left hemiparesis. A, 3D reconstruction angiogram shows severe carotid stenosis. An Emboshield was placed after prefilter dilation by using a 3-mm balloon; then, prestent dilation was performed with a 4-mm balloon (not shown). B, Angiogram after stent (S.M.A.R.T., 9 × 60 mm) deployment shows ICA flow arrest. C, ICA flow is normalized immediately after filter withdrawal. D, Cerebral angiogram shows acute embolic M1 occlusion. The patient became stuporous and hemiparetic. E, Right M1 is recanalized after intra-arterial thrombolysis with 380,000 U urokinase and 6 mg abciximab.
- Fig 3.
A, A photograph of the filter after carotid artery stent placement shows that gelatinous fibrin material is collected within a filter (filter membrane was removed). B, A magnified view demonstrates that squeezed embolic material is located outside the filter membrane (arrow).
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