Article Figures & Data
Figures
- FIG 1.
MT of a fibrin-rich clot by the combined technique with the aspiration catheter at 5–10 mm from the clot. A, 3D acquisition after injection of iodinated contrast medium by the introducer. The black dotted arrow indicates the branch where the occlusion will be located. B, Snapshot of the roadmap performed at the beginning of the procedure, showing the branch occluded by the clot (black arrow). C, Stent retriever unsheathed across the clot. The distal markers of the stent are indicated by the black arrowhead. The tip of the microcatheter is indicated by the white arrowhead. Note that the stent is not yet fully deployed because this snapshot was taken immediately after unsheathing. D, Fibrin-rich clot removed.
- FIG 2.
MTs of a fibrin-rich clot (white arrow) by DA (A–C), and of an RBC-rich clot (black arrow) by the combined technique (D–F); both aspiration catheters (black arrowheads) are at 5–10 mm from the clot. The black star indicates the stent retriever for the combined technique. A, Before the start of the aspiration. B, After the start of the aspiration, focal collapse (ACS 3) at the tip of the catheter. C, When the aspiration catheter is removed, local arterial traction (ATS 1), the artery is pulled into the aspiration catheter. This is illustrated by the dotted black arrow. It was an FPR failure. D, Before the start of the aspiration. E, After the start of the aspiration, full collapse (ACS 4) of the proximal artery and both distal branches. The collapse extends away from the catheter tip; the stent-retriever is molded by the vessel wall. F, When the stent is being retrieved, note extended arterial traction (ATS 2) of all regional branches. This is illustrated by the dashed black arrows. It was an FPR success. Both cases are available in the Online Supplemental Data and Online Supplemental Videos 1 and 2.
- FIG 3.
MT of a fibrin-rich clot by DA with the aspiration catheter in contact with the clot. A, The small aspiration catheter (white arrowhead) is placed in contact with the clot (black arrow) using a distal access catheter (the black arrowhead indicates the tip of this catheter). B, After the start of the aspiration, the clot is drawn toward the tip of the aspiration catheter, without any arterial collapse. C, When the aspiration catheter is removed, there is still no collapse and no arterial traction is observed. D, Removed fibrin-rich clot at the tip of the aspiration catheter. The case is available in Online Supplemental Data and Online Supplemental Video 3.
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