CABG	coronary artery bypass grafting
IMA	internal mammary artery
SV	saphenous vein
DM	diabetes mellitus
DM+	diabetic
DM−	non-diabetic
KCl	potassium chloride
Phe	phenylephrine
ACh	acetylcholine
SNP	sodium nitroprusside
HbA1c	hemoglobin A1c
HDL	high-density lipoprotein
LDL	low-density lipoprotein
TG	triglyceride
HT	hypertension
ACE	angiotensin-converting enzyme
ARBs	angiotensin receptor blockers
S.E.M.	standard error of the mean
Emax	maximum effect
pEC50	Negative Logarithm of the EC50
RhoA	Ras Homolog Family Member A
NO	nitric oxide