Technique: Bypass Graft

Question 1

reversed saph vein graft

Answer 1

small end now prox
large end is dist
v valve stay open due to arterial flow pattern
branched are ligated

Question 2

in situ v graft

Answer 2

gsv stays in place
small end dis
large end prox
prior to surgery, valves broken up with special instrument, branches ligated

Question 3

protocol usually combined with

Answer 3

abis

Question 4

vein bypass graft eval includes

Answer 4

obs of gray scale, color flow and psv’s of the following: inflow a, prox anastomosis, entire length of v bypass graft, dist anast. outflow a, also check for branches valves, and others abn.

Question 5

synthetic bypass graft eval include

Answer 5

gray scale, color image, PSV’s of: inflow a, prox anast. mid graft. dist anast. and outflow a