It was reported that during the treatment of a micro perforation at m2 of left mca, physician used the microcatheter and guidewires to deploy the subject flow diverting stent.
He re -sheathed the subject stent and during deployment it was slightly migrated to forward direction while applying forward pressure to delivery system and covered the mca branch.
15 minutes post deployment physician noticed contrast leaking distal to the subject stent indicating vessel perforation.
On review of imaging, it was cleared that the perforation happened before subject stent deployment and after the placement of microcatheter and guidewires.
It is undeterminable if the devices caused the perforation.
Balloon angioplasty was performed to stop bleeding and protamine was administered to reverse heparin.
4 hours post procedure patient started bleeding again at m1/m2 bifurcation.
Another surgery was performed to remove the blood from brain and the subject stent was seen protruding from the vessel.
It is undeterminable if the subject stent caused the perforation.
Patient suffered paralysis and is currently in icu.
No additional information available.
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