Thoracic Endovascular Aneurysm Repair

Question 1

What is TEVAR

Answer 1

Thoracic EndoVascular Aneurysm Repair

Question 2

Indication for TEVAR on the descending aorta

Answer 2

width > 6 cm rapid enlargment > 0.5 cm in 6 mths

Question 3

TEVAR is done under MAC or General?

Answer 3

GENERAL

Question 4

Thoracic aorta is larger in diameter then the abdominal aorta so

Answer 4

larger stent grafts are used in the thoracic area the abdominal area

Question 5

READ the section CONDUCT OF THE OPERATION at the bottom of page 1 in this article. too much info

Question 6

What artery supplies T8-L1

Answer 6

Adamkiewicz artery

Question 7

Stent seal zone is how long proximally and distally

Answer 7

20 mm

Question 8

Endoleak what is it

Answer 8

The persistant flow in the aneurysmal sac following endovascular repair

Question 9

Type I Endoleak

Answer 9

Involves the proxinal or idstal seal zone

Question 10

Type II Endoleak

Answer 10

Due to retrograde flow form intercostal arteries into the sac

Question 11

Type III Endoleak

Answer 11

inadequate overlap and seal between modular components

Question 12

Type IV Endoleak

Answer 12

Occurs due to porosity of the graft which is rare with current devices

Question 13

Type V Endoleak

Answer 13

AKA Endotension is th continued expansion of the sac despite an identifiable leak

Question 14

Device migration can occur ____ mm caudally

Answer 14

>10mm

Question 15

TEVAR is prefered to open surgical repair because of a decrease in ____?

Answer 15

morbitity compared to Open