In the (b)(6) 2017 (exact date is unknown), the patient underwent a shunt-preparation procedure to treat renal insufficiency.A gore® propaten® vascular graft (irth064040j with an unknown lot number) was implanted in the patient¿s right upper arm.Later in a follow-up study, an echography revealed that a portion of the existing graft had undulated in its shape and occluded.In the middle of (b)(6) 2017 (exact date is unknown), the existing graft was replaced with another vascular graft to repair the graft occlusion.The patient tolerated the procedure.
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