On (b)(6) 2019, the patient underwent an endovascular repair of a pseudoaneurysm at the thoracic aorta using a conformable gore® tag® thoracic endoprosthesis.The device was implanted with no reported issues.After removal of a gore® dryseal flex sheath, an angiography identified a rupture at the left external iliac artery that was being used as an access vessel.The rupture was repaired by implanting a gore® excluder® iliac branch endoprosthesis.A transfusion also had to be performed.No further issues were observed, and the patient tolerated the procedure.It was reported that there was resistance during the insertion of the sheath at the left external iliac artery.The diameter or condition of the access vessel, and the cause of the vessel rupture or the resistance were unknown.
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