Table 1

CFV Ratio in the LAD During Dobutamine Infusionlegend

Group IGroup IIGroup IIIANOVA
CFV ratio
5 μg/kg per min1.04 ± 0.160.98 ± 0.141.05 ± 0.15NS
10 μg/kg per min1.33 ± 0.371.28 ± 0.251.39 ± 0.41NS
20 μg/kg per min1.32 ± 0.351.51 ± 0.452.08 ± 0.65< 0.001
30 μg/kg per min1.29 ± 0.381.62 ± 0.512.36 ± 0.68< 0.001
40 μg/kg per min1.00 ± 0.11∗ †1.65 ± 0.572.52 ± 0.71< 0.001
40 μg/kg per min + atropine1.04 ± 0.12∗ †1.91 ± 0.192.73 ± 0.62< 0.001
Peak dose1.25 ± 0.34∗ †1.71 ± 0.532.76 ± 0.65< 0.001
  • p < 0.001 vs. group III;

  • p < 0.05 vs. group II.

  • legend ANOVA = analysis of variance; CFV = coronary flow velocity; LAD = left anterior descending coronary artery.