Chapter 68 - New aortic endovascular devices

Question 1

Standard measurements needed for TEVAR

Answer 1

Aortic diameter 16-42 mm
Landing zone 2 cm
Femoral 5-9.8 mm

Question 2

Branched TEVAR’s currently available

Answer 2

Gore TAG (single internal docking and precannulated wire)
Medtronic Valiant Mona LSA with flexible external cuff
Bolton Relay Plus - two parallel tunnels for cannulation (need LSA revasc)
Cook zenith arch branched - two side branches, need LSA revasc

Question 3

Standard EVAR measurements

Answer 3

Aortic diameter 19-32 mm
Neck 1-1.5 cm
< 60 degrees angle
distal > 1.5 cm landing
iliac diameter 8-25 mm

Question 4

FEVAR currently available

Answer 4

Cook

Anaconda

Question 5

Criteria for Cook fenestrated endograft

Answer 5

infrarenal neck 4 mm
proximal diameter 19-31 mm
Angulation < 45 degrees
3 cm distal landing zone

Question 6

Pro and con of T-branch grafts

Answer 6

1) Type III endoleak chance lower

2) larger delivery `20 Fr

Question 7

Nellix key points

Answer 7

1) 17F catheter into sac
2) align and expand stent graft
3) fill aneurysm sac to 180 mmHg of pressure to confirm seal
4) fill space with polymer

neck 18-32 mm
neck length 10 mm
< 60 degrees angulation
sac < 6 cm