AACN CSC REVIEW LATEST
COURSE SESSION 1
EXAM
IMA grafts have a _____% patency rate at 10 years - ANSWERS-90%
saphenous vein grafts have a ______% patency rate at 10 years -
ANSWERS-40%
arterial graft with highest propensity to vasospasm - ANSWERS-radial
artery
radial artery graft 5-year patency rate is (superior/inferior) to saphenous
vein grafts (SVGs). - ANSWERS-superior
why are homograft (cadaver) veins are a last resort for CABGs? -
ANSWERS-only 50% patency rate after 1 month; 10% after 1 year
why veins are grafted in reverse direction - ANSWERS-presence of one-
way valves
____% of CABGs are redo CABGs. - ANSWERS-15%
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PAGE
1
, AACN CSC REVIEW LATEST
COURSE SESSION 1
EXAM
risk of MI is ___ times greater in a re-do CABG pt. - ANSWERS-8x
redo CABG increases the risk of _____ injury & perf of existing IMA
and SV grafts - ANSWERS-RV injury
minimally invasive CABG can (exacerbate/reduce) existing mitral
regurgitation. - ANSWERS-exacerbate
why are double lumen ETTs used in MIDCAB - ANSWERS-to ventilate
the R lung only since a small L anterior thoracotomy is being done
in tamponade, the CVP will correspond (more/less) with the PAD. -
ANSWERS-more
at rest the myocardium extracts ___% of available oxygen - ANSWERS-
70%
normal SvO2 in heart - ANSWERS-30-35%
END OF
PAGE
2
COURSE SESSION 1
EXAM
IMA grafts have a _____% patency rate at 10 years - ANSWERS-90%
saphenous vein grafts have a ______% patency rate at 10 years -
ANSWERS-40%
arterial graft with highest propensity to vasospasm - ANSWERS-radial
artery
radial artery graft 5-year patency rate is (superior/inferior) to saphenous
vein grafts (SVGs). - ANSWERS-superior
why are homograft (cadaver) veins are a last resort for CABGs? -
ANSWERS-only 50% patency rate after 1 month; 10% after 1 year
why veins are grafted in reverse direction - ANSWERS-presence of one-
way valves
____% of CABGs are redo CABGs. - ANSWERS-15%
END OF
PAGE
1
, AACN CSC REVIEW LATEST
COURSE SESSION 1
EXAM
risk of MI is ___ times greater in a re-do CABG pt. - ANSWERS-8x
redo CABG increases the risk of _____ injury & perf of existing IMA
and SV grafts - ANSWERS-RV injury
minimally invasive CABG can (exacerbate/reduce) existing mitral
regurgitation. - ANSWERS-exacerbate
why are double lumen ETTs used in MIDCAB - ANSWERS-to ventilate
the R lung only since a small L anterior thoracotomy is being done
in tamponade, the CVP will correspond (more/less) with the PAD. -
ANSWERS-more
at rest the myocardium extracts ___% of available oxygen - ANSWERS-
70%
normal SvO2 in heart - ANSWERS-30-35%
END OF
PAGE
2