On (b)(6) 2014, a gore viabahn endoprosthesis was placed as a branch device into the left renal artery.It was reported to gore that on (b)(6) 2015, a type ib endoleak was discovered at the distal end of the graft.There was reported a flow of contrast around the distal end of the stent graft back into the aneurysm sac.A reintervention procedure was performed with placement of new left renal artery stents.An 8mm x 5cm gore viabahn endoprosthesis was used to extend the old stent distally into the left renal artery and was reinforced with a bare metal stent.The results were a patent left renal artery with exclusion of the endoleak.
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