ET-@ levels were significantly higher in CABG group in all vascular compartments : ART-T@ ( @ @ vs. @ @ fmol/mL , p = @ ) , ART-T@ ( @ @ vs. @ @ fmol/mL , p = @ ) , SG-T@ ( @ @ vs. @ @ fmol/mL , p = @ ) , SG-T@ ( @ @ vs. @ @ fmol/mL , p = @ ) , SG-T@ ( @ @ vs. @ @ fmol/mL , p < @ ) , SG-T@ ( @ @ vs. @ @ fmol/mL , p < @ ) , and CS-T@ ( @ @ vs. @ @ fmol/mL , p = @ ) .