On (b)(6) 2020 the patient underwent emergency thoracic aortic endovascular repair to treat a descending thoracic aortic rupture.It was noted that heparin was not used in this case.A gore® dryseal flex introducer sheath was inserted from the patient's left side.A gore® tag® conformable thoracic stent graft with active control system was deployed and touch-up ballooning was performed to the proximal end of the device using a gore® tri-lobe balloon catheter.After the introducer sheath was removed, it was reported that angiography confirmed that the patient's left internal iliac artery was occluded.Reportedly there was no dissection of the artery.The physician reportedly considered that the non-heparin situation was a factor in the occlusion.It was reported that the patient's superior and inferior gluteal arteries had collateral blood flow.No additional treatment was performed for the occlusion.The procedure was completed, and the patient tolerated the procedure.
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