It was reported that treatment was performed for a left ophthalmic internal carotid artery (ica) aneurysm.There was significant vessel diameter discrepancy and vessel tortuosity throughout the petrous and cavernous ica.The fred was deployed around the carotid siphon.The distal and middle sections of the device opened well; however, the proximal end did not open after deployment.Attempts to open the proximal end of the fred with the delivery wire, the microcatheter, and the guide catheter were unsuccessful.During the attempt to retrieve the stent with a gooseneck snare, the proximal finished ends were pushed forward into the open section of the fred.Subsequent angiographic images demonstrated a patent fred and robust flow through the device.There was no evidence of thrombus.The device was left implanted at the intended treatment site.There was no reported patient injury.
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