Baseline | Normal saline | |
Heart rate (beats/min) | 70 (4) | 69 (5) |
Mean blood pressure (mm Hg) | 110 (4) | 112 (5) |
Proximal artery segment (mm) | 3.04 (0.29) | 3.00 (0.30) |
Distal artery segment (mm) | 1.52 (0.14) | 1.56 (0.16) |
PVi (cm) | 16.5 (4.0) | 14.3 (3.1) |
CBF (ml/min) | 80 (8) | 63 (9) |
CVR (mm Hg/ml/min) | 2.17 (0.60) | 2.40 (0.68) |
Plasma big ET-1 (fmol/ml) | 0.27 (0.02) | 0.25 (0.06) |
Values are mean (SEM). There was no significant change between baseline and after normal saline administration.
CBF, coronary blood flow of the left anterior descending artery; CVR, coronary vascular resistance of the left anterior descending artery; ET-1, endothelin-1; PVi, peak velocity integral.