Table 2: FDA-approved devices for secondary intervention after EVAR.

Device CT measurement method Delivery sheath required Minimum access diameter for main body Treatable aortic neck diameter Minimum aortic length to bifurcation Minimum aortic neck length Maximum aortic angulation (1) Suprarenal fixation Treatable iliac diameter Minimum iliac seal zone Cook Renu Converter Outer diameter No 22–26 mm graft = 7.1 mm 28–32 mm graft = 7.7 mm 36 mm graft = 8.5 mm 18–32 mm (2) 22–32 mm graft = 82 mm 36 mm graft = 95 mm 15 mm (3) <60 degrees, <45 degrees (4) Mandatory 7.5–20 mm 10 mm Medtronic Talent Outer diameter No 22–28 mm graft = 7 mm 30–36 mm graft = 8 mm 18–32 mm 80 mm 10 mm <60 degrees Available 8–22 mm 25 mm

(1)Angulation of neck relative to long axis of aorta. (2)New graft must be oversized 2 mm if placed within a preexisting graft. (3)Neck must be ≥10 mm if new graft is placed within a preexisting graft. (4)Angulation of suprarenal stents relative to long axis of aorta.